# Missive, Spike, BlueMail vs Mailbird Comparison

| | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Star Rating** | 4.7 out of 5 | 4.6 out of 5 | 4.3 out of 5 | 3.6 out of 5 | 
| **Total Reviews** | 830 | 262 | 53 | 101 | 
| **Largest Market Segment** | Small-Business (89.0% of reviews) | Small-Business (77.1% of reviews) | Small-Business (56.5% of reviews) | Small-Business (80.2% of reviews) | 
| **Entry Level Price** | Free | $5.00 1 User Per Month | No pricing available | $5.75 Per Month | 

---
## Top Pros & Cons

### Missive

Pros:
- Team Collaboration (343 reviews)
- Communication (319 reviews)

Cons:
- Missing Features (123 reviews)
- Learning Curve (100 reviews)

### Spike

Pros:
- Ease of Use (46 reviews)
- Email Management (35 reviews)

Cons:
- Missing Features (19 reviews)
- Limited Features (12 reviews)

### BlueMail


Cons:
- Bug Issues (1 reviews)
- Missing Features (1 reviews)

### Mailbird

Pros:
- Ease of Use (4 reviews)
- Setup Ease (3 reviews)

Cons:
- Bug Issues (3 reviews)
- Lack of Integration (3 reviews)

---
## Ratings Comparison
| Rating | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
  | **Meets Requirements** | 9.0 (799 reviews) | 8.9 (166 reviews) | 9.1 (41 reviews) | 7.2 (79 reviews) | 
  | **Ease of Use** | 8.8 (814 reviews) | 9.3 (170 reviews) | 9.1 (41 reviews) | 7.7 (79 reviews) | 
  | **Ease of Setup** | 8.7 (718 reviews) | 9.3 (53 reviews) | 8.7 (13 reviews) | 8.1 (22 reviews) | 
  | **Ease of Admin** | 9.0 (249 reviews) | 8.7 (36 reviews) | 8.7 (10 reviews) | 9.3 (14 reviews) | 
  | **Quality of Support** | 9.3 (688 reviews) | 9.0 (158 reviews) | 7.9 (31 reviews) | 6.9 (64 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.6 (245 reviews) | 8.6 (34 reviews) | 8.3 (10 reviews) | 7.9 (11 reviews) | 
  | **Product Direction (% positive)** | 9.4 (777 reviews) | 9.6 (156 reviews) | 7.7 (40 reviews) | 6.9 (78 reviews) | 

---
## Pricing

### Missive

#### Entry-Level Pricing

Plan: Free

Price: Free

Key Features:
- 15 days history limit
- Up to 3 users per organization
- Limited to 2 personal accounts per user

[Browse all 4 editions](https://www.g2.com/products/missive/pricing)

#### Free Trial

Yes

### Spike

#### Entry-Level Pricing

Plan: Pro

Price: $5.00 1 User Per Month

Description: Use Spike's email app with up to 3 email accounts with unified inbox and unlimited search history

Key Features:
- Conversational Email
- Spike AI
- 5 GB storage

[Browse all 2 editions](https://www.g2.com/products/spike/pricing)

#### Free Trial

Yes

### BlueMail

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Mailbird

#### Entry-Level Pricing

Plan: Mailbird Premium Yearly

Price: $5.75 Per Month

Description: A yearly subscription that gives you access to both Mailbird for Windows and Mailbird for Mac on up to three devices. This plan includes all future Mailbird updates—both minor and major—because Lifetime Updates are built in by default.

Key Features:
- Access to Mailbird for Windows and Mailbird for Mac
- Lifetime Updates included by default
- Manage unlimited email accounts

[Browse all 3 editions](https://www.g2.com/products/mailbird/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Conversational Marketing

| Product | Score | Reviews |
|---|---|---|
| **Missive** | N/A | N/A |
| **Spike** | 8.8/10 | 28 |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Messenger

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Sequencing** | Not enough data | 9.1 (25 reviews) ✓ Verified | Not enough data | Not enough data | 
| **AI** | Not enough data | 9.3 (23 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Live Chat** | Not enough data | 8.9 (24 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Customization Interface** | Not enough data | 9.1 (25 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Channels

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Social Media** | Not enough data | 8.7 (21 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Website** | Not enough data | 8.4 (20 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Text Message (SMS)** | Not enough data | 8.6 (19 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Voice Assistants** | Not enough data | 8.6 (20 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Other** | Not enough data | 8.2 (20 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Customers

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Targeting** | Not enough data | 8.8 (20 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Profiles** | Not enough data | 8.6 (22 reviews) | Not enough data | Not enough data | 
| **Analytics** | Not enough data | Feature Not Available | Not enough data | Not enough data | 
| **Lead Gathering** | Not enough data | Feature Not Available | Not enough data | Not enough data | 
| **Sales Conversion** | Not enough data | Feature Not Available | Not enough data | Not enough data | 

#### Agentic AI - Conversational Marketing

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | Not enough data | 

### Business Instant Messaging

| Product | Score | Reviews |
|---|---|---|
| **Missive** | 7.8/10 | 243 |
| **Spike** | 7.7/10 | 84 |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Business Instant Messaging

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **File Sharing** | 8.7 (226 reviews) | 8.9 (64 reviews) | Not enough data | Not enough data | 
| **Notifications** | 8.9 (235 reviews) | 9.2 (69 reviews) | Not enough data | Not enough data | 
| **Search** | 7.8 (235 reviews) | 8.7 (70 reviews) | Not enough data | Not enough data | 

#### Business Instant Messaging 

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Audio Conferencing** | Feature Not Available | 8.9 (56 reviews) | Not enough data | Not enough data | 
| **Video Conferencing** | Feature Not Available | 8.4 (54 reviews) | Not enough data | Not enough data | 

#### Business Instant Messaging

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Mobile Application** | 8.7 (224 reviews) | 9.2 (68 reviews) | Not enough data | Not enough data | 
| **Web Application** | 9.1 (225 reviews) | 9.2 (63 reviews) | Not enough data | Not enough data | 
| **Integrations** | 8.3 (221 reviews) | Feature Not Available | Not enough data | Not enough data | 

#### Generative AI - Business Instant Messaging

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Text Summarization** | 7.1 (97 reviews) | 7.7 (10 reviews) | Not enough data | Not enough data | 

#### AI - Business Instant Messaging

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **AI Powered Search** | 6.9 (96 reviews) | 6.9 (9 reviews) | Not enough data | Not enough data | 
| **Smart Notifications** | 7.0 (95 reviews) | 7.2 (10 reviews) | Not enough data | Not enough data | 
| **AI Powered Language Translation** | 6.9 (93 reviews) | 6.5 (9 reviews) | Not enough data | Not enough data | 
| **Content Generation** | 7.0 (94 reviews) | 6.1 (9 reviews) | Not enough data | Not enough data | 

#### Agentic AI - Business Instant Messaging

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Cross-system Integration** | 7.3 (40 reviews) | 5.0 (5 reviews) | Not enough data | Not enough data | 
| **Natural Language Interaction** | 7.4 (41 reviews) | 5.7 (5 reviews) | Not enough data | Not enough data | 

### AI Writing Assistant

| Product | Score | Reviews |
|---|---|---|
| **Missive** | N/A | N/A |
| **Spike** | 9.1/10 | 9 |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Grammar

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Grammar Check** | Not enough data | 9.4 (8 reviews) | Not enough data | Not enough data | 
| **Tone Check** | Not enough data | 9.2 (8 reviews) | Not enough data | Not enough data | 
| **Sentence Formatting** | Not enough data | 9.0 (7 reviews) | Not enough data | Not enough data | 

#### Formatting

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Plagiarism Check** | Not enough data | 9.2 (6 reviews) | Not enough data | Not enough data | 
| **Style Editor** | Not enough data | 9.7 (6 reviews) | Not enough data | Not enough data | 
| **Citation Finder** | Not enough data | 9.0 (5 reviews) | Not enough data | Not enough data | 

#### Content 

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Idea Recommendation** | Not enough data | 9.2 (6 reviews) | Not enough data | Not enough data | 
| **Content Generation** | Not enough data | 8.9 (6 reviews) | Not enough data | Not enough data | 
| **Form Generation** | Not enough data | 8.9 (6 reviews) | Not enough data | Not enough data | 

#### Product Type

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Standalone Application** | Not enough data | 8.9 (6 reviews) | Not enough data | Not enough data | 
| **Plugin** | Not enough data | 9.2 (6 reviews) | Not enough data | Not enough data | 

#### Generative AI

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | Not enough data | 

### Customer Communications Management

| Product | Score | Reviews |
|---|---|---|
| **Missive** | 8.1/10 | 293 |
| **Spike** | N/A | N/A |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Channels

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Multi-Channel Coverage** | 8.7 (288 reviews) | Not enough data | Not enough data | Not enough data | 
| **Open Listening** | 8.2 (270 reviews) | Not enough data | Not enough data | Not enough data | 
| **Physical Media** | Feature Not Available | Not enough data | Not enough data | Not enough data | 

#### Design

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Communications Strategy Development** | 8.4 (266 reviews) | Not enough data | Not enough data | Not enough data | 
| **Create Content** | 7.2 (255 reviews) | Not enough data | Not enough data | Not enough data | 
| **Personalization** | 8.5 (269 reviews) | Not enough data | Not enough data | Not enough data | 
| **Inbound Identification** | 8.7 (269 reviews) | Not enough data | Not enough data | Not enough data | 
| **Regulatory Compliance** | 8.4 (255 reviews) | Not enough data | Not enough data | Not enough data | 

#### Generative AI

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **AI Text Generation** | 7.7 (241 reviews) | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | 7.5 (238 reviews) | Not enough data | Not enough data | Not enough data | 

### Shared Inbox

| Product | Score | Reviews |
|---|---|---|
| **Missive** | 8.1/10 | 576 |
| **Spike** | 9.7/10 | 6 |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Productivity Tools

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Notes** | 9.2 (503 reviews) | 9.7 (6 reviews) | Not enough data | Not enough data | 
| **Internal Discussion** | 9.4 (513 reviews) | 9.7 (5 reviews) | Not enough data | Not enough data | 
| **Assignments and Tasks** | 8.6 (499 reviews) | Not enough data | Not enough data | Not enough data | 
| **Workflows** | 8.3 (474 reviews) | Not enough data | Not enough data | Not enough data | 
| **Templates** | 8.8 (475 reviews) | Not enough data | Not enough data | Not enough data | 
| **Integrations** | 8.2 (473 reviews) | Feature Not Available | Not enough data | Not enough data | 
| **Tagging System** | 9.0 (488 reviews) | Not enough data | Not enough data | Not enough data | 

#### Analytics

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Trends** | 7.4 (417 reviews) | Not enough data | Not enough data | Not enough data | 
| **Performance Tracking** | 7.5 (419 reviews) | Not enough data | Not enough data | Not enough data | 
| **Email Tracking** | 7.5 (424 reviews) | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Shared Inbox

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Autonomous Task Execution** | 6.7 (144 reviews) | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | 6.8 (142 reviews) | Not enough data | Not enough data | Not enough data | 

### Email Client

| Product | Score | Reviews |
|---|---|---|
| **Missive** | 8.4/10 | 461 |
| **Spike** | 9.0/10 | 85 |
| **BlueMail** | N/A | N/A |
| **Mailbird** | 7.7/10 | 37 |

#### Inbox Tools

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Unified Inbox** | 9.3 (448 reviews) | 9.5 (72 reviews) | Not enough data | 8.6 (33 reviews) | 
| **Filters** | 8.8 (438 reviews) | 9.1 (67 reviews) | Not enough data | 7.4 (33 reviews) | 
| **Reminders** | 8.7 (435 reviews) | 9.2 (66 reviews) | Not enough data | 7.6 (30 reviews) | 
| **Notifications** | 9.0 (435 reviews) | 9.2 (64 reviews) | Not enough data | 7.8 (31 reviews) | 

#### Coordination Tools

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Calendar** | 8.2 (420 reviews) | 8.5 (64 reviews) | Not enough data | 7.7 (30 reviews) | 
| **Contacts** | 8.5 (420 reviews) | 8.6 (65 reviews) | Not enough data | 7.6 (33 reviews) | 
| **Task Management** | 8.0 (425 reviews) | 8.6 (60 reviews) | Not enough data | 7.1 (26 reviews) | 

#### Software Options

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Desktop Application** | 9.1 (425 reviews) | 9.3 (69 reviews) | Not enough data | 7.4 (35 reviews) | 
| **Mobile Application** | 8.8 (427 reviews) | 9.2 (70 reviews) | Not enough data | Feature Not Available | 

#### Email Client - Agentic AI

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Autonomous Task Execution** | 6.6 (87 reviews) | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | 7.1 (95 reviews) | Not enough data | Not enough data | Not enough data | 

### Video Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Missive** | N/A | N/A |
| **Spike** | 8.8/10 | 42 |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Collaboration Tools

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Screen Sharing** | Not enough data | 9.1 (25 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Presentations** | Not enough data | 8.6 (18 reviews) | Not enough data | Not enough data | 
| **Whiteboarding** | Not enough data | 8.7 (17 reviews) | Not enough data | Not enough data | 
| **Live Chat** | Not enough data | 8.8 (27 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Hand Raising** | Not enough data | Feature Not Available | Not enough data | Not enough data | 

#### Meeting Coordination

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Scheduling** | Not enough data | 8.2 (32 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Recording** | Not enough data | Feature Not Available | Not enough data | Not enough data | 
| **Participant Permissions** | Not enough data | 9.1 (27 reviews) ✓ Verified | Not enough data | Not enough data | 
| **One-Click Join** | Not enough data | 8.9 (24 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Software Type

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Mobile** | Not enough data | 9.0 (32 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Browser Application** | Not enough data | 9.0 (27 reviews) ✓ Verified | Not enough data | Not enough data | 
| **Desktop Application** | Not enough data | 8.9 (26 reviews) ✓ Verified | Not enough data | Not enough data | 

#### Agentic AI - Video Conferencing

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | Not enough data | 

### Calendar

| Product | Score | Reviews |
|---|---|---|
| **Missive** | N/A | N/A |
| **Spike** | 9.0/10 | 33 |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Calendar View

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Multi-Calendar View** | Not enough data | 9.1 (25 reviews) | Not enough data | Not enough data | 
| **Customizable Viewing** | Not enough data | 8.8 (27 reviews) | Not enough data | Not enough data | 

#### Shared Calendar

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Calendar Collaboration** | Not enough data | Feature Not Available | Not enough data | Not enough data | 
| **Multiple Calendar Management** | Not enough data | Feature Not Available | Not enough data | Not enough data | 

#### Accessibility

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Screen Reader Compatibility** | Not enough data | Feature Not Available | Not enough data | Not enough data | 
| **Keyboard Shortcuts** | Not enough data | 8.8 (7 reviews) | Not enough data | Not enough data | 

#### Integration

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Sync Multiple Calendars** | Not enough data | 9.3 (26 reviews) | Not enough data | Not enough data | 
| **Import Events** | Not enough data | 9.1 (24 reviews) | Not enough data | Not enough data | 
| **Software Integrations** | Not enough data | Feature Not Available | Not enough data | Not enough data | 

#### Notifications

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Customized Calendar Notifications** | Not enough data | Feature Not Available | Not enough data | Not enough data | 
| **Location-Based Alerts** | Not enough data | Feature Not Available | Not enough data | Not enough data | 

#### Generative AI

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **AI Text-to-Image** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **AI Text-to-Speech** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **AI Image-to-Text** | Not enough data | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Calendar

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | Not enough data | 

### Email Management

| Product | Score | Reviews |
|---|---|---|
| **Missive** | 7.7/10 | 222 |
| **Spike** | 9.0/10 | 11 |
| **BlueMail** | 8.0/10 | 7 |
| **Mailbird** | 5.8/10 | 13 |

#### Sorting & Filtering

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Attachment Search** | 7.7 (202 reviews) | Not enough data | 7.9 (7 reviews) | 5.5 (13 reviews) | 
| **Tags** | 8.8 (205 reviews) | Not enough data | 7.3 (5 reviews) | Feature Not Available | 
| **AI Sorting** | 6.9 (179 reviews) | Not enough data | Not enough data | Feature Not Available | 
| **Predefined Rules** | 8.2 (192 reviews) | Not enough data | Not enough data | 4.7 (11 reviews) | 

#### Integrations

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Microsoft Outlook Integration** | 7.4 (161 reviews) | Not enough data | Not enough data | Feature Not Available | 
| **Gmail Integration** | 8.9 (189 reviews) | Not enough data | 8.6 (6 reviews) | Feature Not Available | 
| **Apple Calendar Integration** | 7.3 (154 reviews) | Not enough data | Not enough data | Feature Not Available | 

#### Time Management

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Unified Inbox** | 9.1 (192 reviews) | 9.0 (5 reviews) | 9.3 (7 reviews) | 6.9 (12 reviews) | 
| **Email Automation** | 8.7 (173 reviews) | Not enough data | 6.7 (5 reviews) | Feature Not Available | 
| **Snooze** | 9.0 (189 reviews) | Not enough data | Not enough data | 6.1 (11 reviews) | 

#### Generative AI

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **AI Text Generation** | 7.3 (170 reviews) | Not enough data | Not enough data | Feature Not Available | 
| **AI Text-to-Speech** | 6.3 (157 reviews) | Not enough data | Not enough data | Feature Not Available | 
| **AI Text Summarization** | 7.0 (164 reviews) | Not enough data | Not enough data | Feature Not Available | 

#### Agentic AI - Email Management

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Autonomous Task Execution** | 6.6 (77 reviews) | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | 7.0 (77 reviews) | Not enough data | Not enough data | Not enough data | 

### Email

| Product | Score | Reviews |
|---|---|---|
| **Missive** | N/A | N/A |
| **Spike** | 7.3/10 | 14 |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Generative AI

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **AI Text Generation** | Not enough data | 7.0 (10 reviews) | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | 8.0 (11 reviews) | Not enough data | Not enough data | 
| **AI Text-to-Speech** | Not enough data | 7.0 (9 reviews) | Not enough data | Not enough data | 
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | Not enough data | 

### Live Chat

| Product | Score | Reviews |
|---|---|---|
| **Missive** | 8.3/10 | 162 |
| **Spike** | N/A | N/A |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Generative AI

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **AI Text Generation** | 8.0 (121 reviews) | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | 7.9 (120 reviews) | Not enough data | Not enough data | Not enough data | 
| **AI Text-to-Speech** | Feature Not Available | Not enough data | Not enough data | Not enough data | 

#### Communication

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Pop-up Chat** | 7.7 (154 reviews) | Not enough data | Not enough data | Not enough data | 
| **Notifications** | 8.6 (157 reviews) | Not enough data | Not enough data | Not enough data | 
| **Targeted Emails** | Feature Not Available | Not enough data | Not enough data | Not enough data | 
| **In-App Messaging** | Feature Not Available | Not enough data | Not enough data | Not enough data | 
| **Co-Browsing** | Feature Not Available | Not enough data | Not enough data | Not enough data | 

####  Internal Use

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Customization ** | Feature Not Available | Not enough data | Not enough data | Not enough data | 
| **Conversation Archiving** | 8.7 (160 reviews) | Not enough data | Not enough data | Not enough data | 
| **Lead Development** | 8.0 (144 reviews) | Not enough data | Not enough data | Not enough data | 
| **Knowledge Base** | Feature Not Available | Not enough data | Not enough data | Not enough data | 
| **Team Inbox ** | 9.2 (159 reviews) | Not enough data | Not enough data | Not enough data | 
| **Customer Profiles** | 8.1 (142 reviews) | Not enough data | Not enough data | Not enough data | 

### Social Customer Service

| Product | Score | Reviews |
|---|---|---|
| **Missive** | 8.3/10 | 113 |
| **Spike** | N/A | N/A |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Generative AI

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **AI Text Generation** | 7.9 (93 reviews) | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | 7.8 (90 reviews) | Not enough data | Not enough data | Not enough data | 

#### Process

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Mentions** | Feature Not Available | Not enough data | Not enough data | Not enough data | 
| **Tickets** | Feature Not Available | Not enough data | Not enough data | Not enough data | 
| **Macros** | 8.6 (111 reviews) | Not enough data | Not enough data | Not enough data | 

#### Channels

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Email** | 8.8 (110 reviews) | Not enough data | Not enough data | Not enough data | 
| **Social** | 8.7 (110 reviews) | Not enough data | Not enough data | Not enough data | 
| **Live Chat** | 8.6 (105 reviews) | Not enough data | Not enough data | Not enough data | 
| **Phone** | 7.3 (103 reviews) | Not enough data | Not enough data | Not enough data | 
| **Text** | 8.5 (105 reviews) | Not enough data | Not enough data | Not enough data | 

#### Insight

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Surveys** | Feature Not Available | Not enough data | Not enough data | Not enough data | 
| **Reporting** | Feature Not Available | Not enough data | Not enough data | Not enough data | 
| **Visitor Activity** | Feature Not Available | Not enough data | Not enough data | Not enough data | 
| **Help Desk** | Feature Not Available | Not enough data | Not enough data | Not enough data | 

### Email Encryption

| Product | Score | Reviews |
|---|---|---|
| **Missive** | N/A | N/A |
| **Spike** | N/A | N/A |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Encryption Techniques - Email Encryption

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Encryption Algorithms** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Transport Encryption** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **End-to-End Encryption** | Not enough data | Not enough data | Not enough data | Not enough data | 

#### Authentication, Verification, and Access Controls - Email Encryption

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Revocation Mechanisms** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Access Controls** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Digital Signatures** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Certificate Authorities** | Not enough data | Not enough data | Not enough data | Not enough data | 

#### Security Enhancements and Auditing - Email Encryption

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Malware Scanning** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Audit Trails** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Data Loss Prevention (DLP)** | Not enough data | Not enough data | Not enough data | Not enough data | 

#### Integration, Compatibility, and Usability - Email Encryption

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **User-Friendly Interfaces** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **APIs and SDKs** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Email Client Integration** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Automation** | Not enough data | Not enough data | Not enough data | Not enough data | 

### Note-Taking Software

| Product | Score | Reviews |
|---|---|---|
| **Missive** | N/A | N/A |
| **Spike** | N/A | N/A |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Agentic AI - Note-Taking Software

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | Not enough data | 

### Audio Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Missive** | N/A | N/A |
| **Spike** | N/A | N/A |
| **BlueMail** | N/A | N/A |
| **Mailbird** | N/A | N/A |

#### Agentic AI - Audio Conferencing

| Feature | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (2):** [Email Client Software](https://www.g2.com/categories/email-client), [Email Management Software](https://www.g2.com/categories/email-management)

**Unique to Missive (5):** [Business Instant Messaging Software](https://www.g2.com/categories/business-instant-messaging), [Shared Inbox Software](https://www.g2.com/categories/shared-inbox), [Customer Communications Management Software](https://www.g2.com/categories/customer-communications-management), [Social Customer Service Software](https://www.g2.com/categories/social-customer-service), [Live Chat Software](https://www.g2.com/categories/live-chat)

**Unique to Spike (10):** [Business Instant Messaging Software](https://www.g2.com/categories/business-instant-messaging), [Email Software](https://www.g2.com/categories/email), [AI Writing Assistants](https://www.g2.com/categories/ai-writing-assistant), [Shared Inbox Software](https://www.g2.com/categories/shared-inbox), [Email Encryption Software](https://www.g2.com/categories/email-encryption), [Conversational Marketing Software](https://www.g2.com/categories/conversational-marketing), [Note-Taking Software](https://www.g2.com/categories/note-taking-software), [Audio Conferencing Software](https://www.g2.com/categories/audio-conferencing), [Calendar Software](https://www.g2.com/categories/calendar-software), [Video Conferencing Software](https://www.g2.com/categories/video-conferencing)

**Unique to BlueMail (1):** [Other Email Software](https://www.g2.com/categories/other-email)



---
## Reviewer Demographics

### By Company Size

| Segment | Missive | Spike | BlueMail | Mailbird | 
|---|---|---|---|---|
| **Small-Business** | 89.0% | 77.1% | 56.5% | 80.2% | 
| **Mid-Market** | 10.8% | 13.9% | 13.0% | 16.7% | 
| **Enterprise** | 0.2% | 9.1% | 30.4% | 3.1% | 

### By Industry

#### Missive

- **Accounting:** 10.7%
- **Marketing and Advertising:** 6.6%
- **Construction:** 6.0%
- **Leisure, Travel & Tourism:** 5.3%
- **Real Estate:** 5.1%
- **Computer Software:** 4.7%
- **Information Technology and Services:** 4.3%
- **Consulting:** 3.4%
- **Retail:** 2.4%
- **Apparel & Fashion:** 2.4%
- **Other:** 49.1%

#### Spike

- **Information Technology and Services:** 12.2%
- **Marketing and Advertising:** 9.1%
- **Computer Software:** 9.1%
- **Higher Education:** 5.2%
- **Financial Services:** 3.0%
- **Design:** 2.6%
- **Entertainment:** 2.6%
- **Internet:** 2.6%
- **Consumer Services:** 2.2%
- **Education Management:** 2.2%
- **Other:** 49.1%

#### BlueMail

- **Information Technology and Services:** 13.0%
- **Management Consulting:** 6.5%
- **Hospital & Health Care:** 6.5%
- **Consumer Services:** 4.3%
- **Education Management:** 4.3%
- **Computer Software:** 4.3%
- **Food & Beverages:** 4.3%
- **Health, Wellness and Fitness:** 4.3%
- **Information Services:** 4.3%
- **Architecture & Planning:** 4.3%
- **Other:** 43.5%

#### Mailbird

- **Information Technology and Services:** 20.8%
- **Marketing and Advertising:** 11.5%
- **Computer Software:** 9.4%
- **Entertainment:** 4.2%
- **Computer & Network Security:** 4.2%
- **Graphic Design:** 3.1%
- **Retail:** 3.1%
- **Legal Services:** 2.1%
- **Commercial Real Estate:** 2.1%
- **Internet:** 2.1%
- **Other:** 37.5%

---
## Alternatives

### Alternatives to Missive

- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2466 reviews)
- [Hiver](https://www.g2.com/products/hiver/reviews) — 4.6/5 stars (1283 reviews)
- [Freshdesk](https://www.g2.com/products/freshdesk/reviews) — 4.4/5 stars (3748 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1248 reviews)
- [Help Scout](https://www.g2.com/products/help-scout/reviews) — 4.4/5 stars (428 reviews)
- [Gmelius](https://www.g2.com/products/gmelius/reviews) — 4.4/5 stars (776 reviews)
- [Trengo](https://www.g2.com/products/trengo/reviews) — 4.3/5 stars (246 reviews)
- [Zendesk for Customer Service](https://www.g2.com/products/zendesk-for-customer-service/reviews) — 4.3/5 stars (6943 reviews)
- [Fin](https://www.g2.com/products/fin/reviews) — 4.5/5 stars (3855 reviews)
- [Helpwise](https://www.g2.com/products/helpwise/reviews) — 4.6/5 stars (181 reviews)

### Alternatives to Spike

- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (48014 reviews)
- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3475 reviews)
- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2466 reviews)
- [Zoho Mail](https://www.g2.com/products/zoho-mail/reviews) — 4.4/5 stars (715 reviews)
- [Thunderbird](https://www.g2.com/products/thunderbird/reviews) — 4.3/5 stars (339 reviews)
- [Slack](https://www.g2.com/products/slack/reviews) — 4.5/5 stars (39046 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1248 reviews)
- [Proton Mail For Business](https://www.g2.com/products/proton-mail-for-business/reviews) — 4.6/5 stars (316 reviews)
- [Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews) — 4.4/5 stars (19000 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56388 reviews)

### Alternatives to BlueMail

- [Thunderbird](https://www.g2.com/products/thunderbird/reviews) — 4.3/5 stars (339 reviews)
- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2466 reviews)
- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3475 reviews)
- [eM Client](https://www.g2.com/products/em-client/reviews) — 4.0/5 stars (61 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1248 reviews)
- [K-9 Mail](https://www.g2.com/products/k-9-mail/reviews) — 4.5/5 stars (13 reviews)
- [Boomerang for Gmail](https://www.g2.com/products/boomerang-for-gmail/reviews) — 4.6/5 stars (423 reviews)
- [Hiver](https://www.g2.com/products/hiver/reviews) — 4.6/5 stars (1283 reviews)
- [Gmelius](https://www.g2.com/products/gmelius/reviews) — 4.4/5 stars (776 reviews)
- [Titan](https://www.g2.com/products/titan-titan/reviews) — 4.6/5 stars (561 reviews)

### Alternatives to Mailbird

- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2466 reviews)
- [Thunderbird](https://www.g2.com/products/thunderbird/reviews) — 4.3/5 stars (339 reviews)
- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3475 reviews)
- [Shift](https://www.g2.com/products/redbrick-shift/reviews) — 4.5/5 stars (264 reviews)
- [eM Client](https://www.g2.com/products/em-client/reviews) — 4.0/5 stars (61 reviews)
- [Mailspring](https://www.g2.com/products/mailspring/reviews) — 3.8/5 stars (18 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1248 reviews)
- [Canary Mail](https://www.g2.com/products/canary-mail/reviews) — 4.5/5 stars (53 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56388 reviews)
- [Hiver](https://www.g2.com/products/hiver/reviews) — 4.6/5 stars (1283 reviews)

---
## Top Discussions

### Missive

- Title: [What does Missive do?](https://www.g2.com/discussions/what-does-missive-do) — 1 comment *(includes official response)*
  > **Top comment:** "Missive is a team collaboration and productivity tool built around your communication. Its main objective is to break silos between your internal and..."
- Title: [Is Front app good?](https://www.g2.com/discussions/is-front-app-good) — 1 comment *(includes official response)*
  > **Top comment:** "Yes, Front is a good and solid software. One of the main differences is that Missive does not offer a feature where you forward emails to a Front address and..."
- Title: [What is Missive app?](https://www.g2.com/discussions/what-is-missive-app) — 1 comment *(includes official response)*
  > **Top comment:** "Missive is a team collaboration and productivity tool built around your communication. Its main objective is to break silos between your internal and..."
- Title: [How do you use missive?](https://www.g2.com/discussions/how-do-you-use-missive) — 1 comment *(includes official response)*
  > **Top comment:** "Comment deleted by user."

### Spike

- Title: [What is a spike task?](https://www.g2.com/discussions/what-is-a-spike-task) — 2 comments
  > **Top comment:** "A Spike task is an captured action item, visible in your inbox until you either action it , delete it, or 'reschedule' it to a future date ('snoozing', in..."
- Title: [Spike - Syncing Mailbox Settings between devices - Feature Request](https://www.g2.com/discussions/spike-syncing-mailbox-settings-between-devices-feature-request) — 2 comments, 1 upvote *(includes official response)*
  > **Top comment:** "Hey Serge, 

Hi Serge,
We currently don't offer a single login because common solutions have  security disadvantages, and above all, Spike prioritizes..."
- Title: [What is a spike in Devops?](https://www.g2.com/discussions/what-is-a-spike-in-devops) — 2 comments, 1 upvote
  > **Top comment:** "A spike is a user story for which the team cannot estimate the effort needed. In such a case, it is better to run time-boxed research, exploration to learn..."
- Title: [Full HTML Signature Support](https://www.g2.com/discussions/full-html-signature-support) — 2 comments, 1 upvote
  > **Top comment:** "I guess its safe to say i wasn't the only one that suffered from the loss of bitcoins been stolen from worldofcryptomining account, over 18btc was stolen..."
- Title: [Does it allow customization?](https://www.g2.com/discussions/50564-does-it-allow-customization) — 2 comments, 1 upvote
  > **Top comment:** "Hi Tyree! Certain things can be customized. For example - on mobile you can customize your swipes and quick actions. You can also customize your..."

### BlueMail

- Title: [Why did the application stop working with Go daddy accounts](https://www.g2.com/discussions/why-did-the-application-stop-working-with-go-daddy-accounts) — 2 comments, 1 upvote
  > **Top comment:** "Mine has stopped working on my phone. The e mail address for support does not work"
- Title: [What is BlueMail used for?](https://www.g2.com/discussions/what-is-bluemail-used-for) — 1 comment
  > **Top comment:** "Email "
- Title: [UI speed](https://www.g2.com/discussions/ui-speed) — 1 comment, 1 upvote
  > **Top comment:** "The issue with UI speed in BlueMail for Windows is the way they sync and what is retained offline / local go your PC. I have not found a way to modify it and..."
- Title: [How do I successfully log in to my iCloud account](https://www.g2.com/discussions/how-do-i-successfully-log-in-to-my-icloud-account) — 1 comment, 1 upvote
  > **Top comment:** "If you are looking to link iCloud email to Bluemail you have to get pop3 settings to add in there, check with Apple and see if they have settings for third..."

### Mailbird

- Title: [Is Mailbird really free?](https://www.g2.com/discussions/is-mailbird-really-free) — 2 comments
  > **Top comment:** "No! Mailbird isn't free, but offers a 14-day free trial. Also, keep in mind that the company is developing another email client - it is called Mailbird Next...."
- Title: [Is Mailbird any good?](https://www.g2.com/discussions/is-mailbird-any-good) — 1 comment
  > **Top comment:** "Bruh it's hella chill."
- Title: [Why do my emails get stuck in the outbox?](https://www.g2.com/discussions/why-do-my-emails-get-stuck-in-the-outbox) — 1 comment
  > **Top comment:** "Mailbird support is horrible - simply right click on the mailbird icon and make sure to select "exit mailbird". Don't just click the X on top to close the..."
- Title: [I need a JOB!!!! let me work with you all.](https://www.g2.com/discussions/49856-i-need-a-job-let-me-work-with-you-all) — 1 comment
  > **Top comment:** "Joseph,
I have periodic problems with Thunderbird.    I have only two personal email accounts to manage.   Is Mailbird my best option for Win 10 or 11?   If..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/missive-vs-spike-vs-bluemail-vs-mailbird)