# Mailspring, eM Client vs Spike Comparison

| | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Star Rating** | 3.8 out of 5 | 4.0 out of 5 | 4.6 out of 5 | 
| **Total Reviews** | 18 | 61 | 262 | 
| **Largest Market Segment** | Small-Business (64.7% of reviews) | Small-Business (46.4% of reviews) | Small-Business (77.1% of reviews) | 
| **Entry Level Price** | No pricing available | FREE for Individuals | $5.00 1 User Per Month | 

---
## Top Pros & Cons

### Mailspring

**Not enough data**

### eM Client

Pros:
- Ease of Use (2 reviews)
- User Interface (2 reviews)

Cons:
- Lack of Integration (1 reviews)
- Missing Features (1 reviews)

### Spike

Pros:
- Ease of Use (47 reviews)
- Email Management (35 reviews)

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

---
## Ratings Comparison
| Rating | Mailspring | eM Client | Spike | 
|---|---|---|---|
  | **Meets Requirements** | 7.3 (16 reviews) | 8.5 (48 reviews) | 8.9 (166 reviews) | 
  | **Ease of Use** | 8.8 (16 reviews) | 8.8 (50 reviews) | 9.3 (170 reviews) | 
  | **Ease of Setup** | Not enough data | 9.5 (10 reviews) | 9.3 (53 reviews) | 
  | **Ease of Admin** | Not enough data | 8.1 (7 reviews) | 8.7 (36 reviews) | 
  | **Quality of Support** | 7.1 (8 reviews) | 7.8 (42 reviews) | 9.0 (158 reviews) | 
  | **Has the product been a good partner in doing business?** | Not enough data | 7.8 (6 reviews) | 8.6 (34 reviews) | 
  | **Product Direction (% positive)** | 6.1 (15 reviews) | 9.0 (46 reviews) | 9.6 (156 reviews) | 

---
## Pricing

### Mailspring

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### eM Client

#### Entry-Level Pricing

Plan: eM Client Free License

Price: FREE for Individuals

Description: Download the Free version of eM Client with limited functionality. 

Key Features:
- Non-commercial use only 
- Max. 2 email accounts
- Email, Calendar and Task management

[Browse all 3 editions](https://www.g2.com/products/em-client/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

---
## Features Comparison By Category

### Conversational Marketing

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | 8.8/10 | 28 |

#### Messenger

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

#### Channels

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

#### Customers

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

#### Agentic AI - Conversational Marketing

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

### Business Instant Messaging

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | 7.7/10 | 84 |

#### Business Instant Messaging

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **File Sharing** | Not enough data | Not enough data | 8.9 (64 reviews) | 
| **Notifications** | Not enough data | Not enough data | 9.2 (69 reviews) | 
| **Search** | Not enough data | Not enough data | 8.7 (70 reviews) | 

#### Business Instant Messaging 

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Audio Conferencing** | Not enough data | Not enough data | 8.9 (56 reviews) | 
| **Video Conferencing** | Not enough data | Not enough data | 8.4 (54 reviews) | 

#### Business Instant Messaging

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Mobile Application** | Not enough data | Not enough data | 9.2 (68 reviews) | 
| **Web Application** | Not enough data | Not enough data | 9.2 (63 reviews) | 
| **Integrations** | Not enough data | Not enough data | Feature Not Available | 

#### Generative AI - Business Instant Messaging

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Text Summarization** | Not enough data | Not enough data | 7.7 (10 reviews) | 

#### AI - Business Instant Messaging

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **AI Powered Search** | Not enough data | Not enough data | 6.9 (9 reviews) | 
| **Smart Notifications** | Not enough data | Not enough data | 7.2 (10 reviews) | 
| **AI Powered Language Translation** | Not enough data | Not enough data | 6.5 (9 reviews) | 
| **Content Generation** | Not enough data | Not enough data | 6.1 (9 reviews) | 

#### Agentic AI - Business Instant Messaging

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Cross-system Integration** | Not enough data | Not enough data | 5.0 (5 reviews) | 
| **Natural Language Interaction** | Not enough data | Not enough data | 5.7 (5 reviews) | 

### AI Writing Assistant

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | 9.1/10 | 9 |

#### Grammar

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Grammar Check** | Not enough data | Not enough data | 9.4 (8 reviews) | 
| **Tone Check** | Not enough data | Not enough data | 9.2 (8 reviews) | 
| **Sentence Formatting** | Not enough data | Not enough data | 9.0 (7 reviews) | 

#### Formatting

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Plagiarism Check** | Not enough data | Not enough data | 9.2 (6 reviews) | 
| **Style Editor** | Not enough data | Not enough data | 9.7 (6 reviews) | 
| **Citation Finder** | Not enough data | Not enough data | 9.0 (5 reviews) | 

#### Content 

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Idea Recommendation** | Not enough data | Not enough data | 9.2 (6 reviews) | 
| **Content Generation** | Not enough data | Not enough data | 8.9 (6 reviews) | 
| **Form Generation** | Not enough data | Not enough data | 8.9 (6 reviews) | 

#### Product Type

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Standalone Application** | Not enough data | Not enough data | 8.9 (6 reviews) | 
| **Plugin** | Not enough data | Not enough data | 9.2 (6 reviews) | 

#### Generative AI

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | 

### Shared Inbox

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | 9.7/10 | 6 |

#### Productivity Tools

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Notes** | Not enough data | Not enough data | 9.7 (6 reviews) | 
| **Internal Discussion** | Not enough data | Not enough data | 9.7 (5 reviews) | 
| **Assignments and Tasks** | Not enough data | Not enough data | Not enough data | 
| **Workflows** | Not enough data | Not enough data | Not enough data | 
| **Templates** | Not enough data | Not enough data | Not enough data | 
| **Integrations** | Not enough data | Not enough data | Feature Not Available | 
| **Tagging System** | Not enough data | Not enough data | Not enough data | 

#### Analytics

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Trends** | Not enough data | Not enough data | Not enough data | 
| **Performance Tracking** | Not enough data | Not enough data | Not enough data | 
| **Email Tracking** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Shared Inbox

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### Email Client

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | 8.4/10 | 12 |
| **eM Client** | 8.5/10 | 23 |
| **Spike** | 9.0/10 | 85 |

#### Inbox Tools

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Unified Inbox** | 9.2 (11 reviews) | 8.5 (20 reviews) | 9.5 (72 reviews) | 
| **Filters** | 7.3 (10 reviews) | 8.8 (21 reviews) | 9.1 (67 reviews) | 
| **Reminders** | 8.6 (7 reviews) | 8.3 (20 reviews) | 9.2 (66 reviews) | 
| **Notifications** | 8.6 (11 reviews) | 8.3 (20 reviews) | 9.2 (64 reviews) | 

#### Coordination Tools

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Calendar** | 8.6 (7 reviews) | 8.8 (22 reviews) | 8.5 (64 reviews) | 
| **Contacts** | 7.5 (10 reviews) | 8.3 (21 reviews) | 8.6 (65 reviews) | 
| **Task Management** | 9.7 (6 reviews) | 8.3 (17 reviews) | 8.6 (60 reviews) | 

#### Software Options

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Desktop Application** | 7.8 (12 reviews) | 8.9 (22 reviews) | 9.3 (69 reviews) | 
| **Mobile Application** | Not enough data | Feature Not Available | 9.2 (70 reviews) | 

#### Email Client - Agentic AI

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 

### Video Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | 8.8/10 | 42 |

#### Collaboration Tools

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

#### Meeting Coordination

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

#### Software Type

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Mobile** | Not enough data | Not enough data | 9.0 (32 reviews) ✓ Verified | 
| **Browser Application** | Not enough data | Not enough data | 9.0 (27 reviews) ✓ Verified | 
| **Desktop Application** | Not enough data | Not enough data | 8.9 (26 reviews) ✓ Verified | 

#### Agentic AI - Video Conferencing

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

### Calendar

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | 9.0/10 | 33 |

#### Calendar View

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Multi-Calendar View** | Not enough data | Not enough data | 9.1 (25 reviews) | 
| **Customizable Viewing** | Not enough data | Not enough data | 8.8 (27 reviews) | 

#### Shared Calendar

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Calendar Collaboration** | Not enough data | Not enough data | Feature Not Available | 
| **Multiple Calendar Management** | Not enough data | Not enough data | Feature Not Available | 

#### Accessibility

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Screen Reader Compatibility** | Not enough data | Not enough data | Feature Not Available | 
| **Keyboard Shortcuts** | Not enough data | Not enough data | 8.8 (7 reviews) | 

#### Integration

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Sync Multiple Calendars** | Not enough data | Not enough data | 9.3 (26 reviews) | 
| **Import Events** | Not enough data | Not enough data | 9.1 (24 reviews) | 
| **Software Integrations** | Not enough data | Not enough data | Feature Not Available | 

#### Notifications

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Customized Calendar Notifications** | Not enough data | Not enough data | Feature Not Available | 
| **Location-Based Alerts** | Not enough data | Not enough data | Feature Not Available | 

#### Generative AI

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **AI Text-to-Image** | Not enough data | Not enough data | Not enough data | 
| **AI Text-to-Speech** | Not enough data | Not enough data | Not enough data | 
| **AI Image-to-Text** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Calendar

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 

### Email Management

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | 9.0/10 | 11 |

#### Sorting & Filtering

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Attachment Search** | Not enough data | Not enough data | Not enough data | 
| **Tags** | Not enough data | Not enough data | Not enough data | 
| **AI Sorting** | Not enough data | Not enough data | Not enough data | 
| **Predefined Rules** | Not enough data | Not enough data | Not enough data | 

#### Integrations

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Microsoft Outlook Integration** | Not enough data | Not enough data | Not enough data | 
| **Gmail Integration** | Not enough data | Not enough data | Not enough data | 
| **Apple Calendar Integration** | Not enough data | Not enough data | Not enough data | 

#### Time Management

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Unified Inbox** | Not enough data | Not enough data | 9.0 (5 reviews) | 
| **Email Automation** | Not enough data | Not enough data | Not enough data | 
| **Snooze** | Not enough data | Not enough data | Not enough data | 

#### Generative AI

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | Not enough data | 
| **AI Text-to-Speech** | Not enough data | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Email Management

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 

### Email

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | 7.3/10 | 14 |

#### Generative AI

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

### Email Encryption

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | N/A | N/A |

#### Encryption Techniques - Email Encryption

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Encryption Algorithms** | Not enough data | Not enough data | Not enough data | 
| **Transport Encryption** | Not enough data | Not enough data | Not enough data | 
| **End-to-End Encryption** | Not enough data | Not enough data | Not enough data | 

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

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Revocation Mechanisms** | Not enough data | Not enough data | Not enough data | 
| **Access Controls** | Not enough data | Not enough data | Not enough data | 
| **Digital Signatures** | Not enough data | Not enough data | Not enough data | 
| **Certificate Authorities** | Not enough data | Not enough data | Not enough data | 

#### Security Enhancements and Auditing - Email Encryption

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Malware Scanning** | Not enough data | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | Not enough data | 
| **Audit Trails** | Not enough data | Not enough data | Not enough data | 
| **Data Loss Prevention (DLP)** | Not enough data | Not enough data | Not enough data | 

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

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **User-Friendly Interfaces** | Not enough data | Not enough data | Not enough data | 
| **APIs and SDKs** | Not enough data | Not enough data | Not enough data | 
| **Email Client Integration** | Not enough data | Not enough data | Not enough data | 
| **Automation** | Not enough data | Not enough data | Not enough data | 

### Note-Taking Software

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | N/A | N/A |

#### Agentic AI - Note-Taking Software

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 

### Audio Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Mailspring** | N/A | N/A |
| **eM Client** | N/A | N/A |
| **Spike** | N/A | N/A |

#### Agentic AI - Audio Conferencing

| Feature | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Email Client Software](https://www.g2.com/categories/email-client)



**Unique to Spike (11):** [Business Instant Messaging Software](https://www.g2.com/categories/business-instant-messaging), [Email Software](https://www.g2.com/categories/email), [Email Management Software](https://www.g2.com/categories/email-management), [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)


---
## Reviewer Demographics

### By Company Size

| Segment | Mailspring | eM Client | Spike | 
|---|---|---|---|
| **Small-Business** | 64.7% | 46.4% | 77.1% | 
| **Mid-Market** | 11.8% | 35.7% | 13.9% | 
| **Enterprise** | 23.5% | 17.9% | 9.1% | 

### By Industry

#### Mailspring

- **Computer Software:** 29.4%
- **Information Technology and Services:** 17.6%
- **Utilities:** 5.9%
- **Transportation/Trucking/Railroad:** 5.9%
- **Marketing and Advertising:** 5.9%
- **Insurance:** 5.9%
- **Human Resources:** 5.9%
- **Higher Education:** 5.9%
- **Design:** 5.9%
- **Consumer Services:** 5.9%
- **Other:** 5.9%

#### eM Client

- **Information Technology and Services:** 38.6%
- **Computer Software:** 19.3%
- **Marketing and Advertising:** 7.0%
- **Industrial Automation:** 5.3%
- **Retail:** 3.5%
- **Writing and Editing:** 3.5%
- **Publishing:** 1.8%
- **Music:** 1.8%
- **Management Consulting:** 1.8%
- **Internet:** 1.8%
- **Other:** 15.8%

#### 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%

---
## Alternatives

### Alternatives to Mailspring

- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3468 reviews)
- [Thunderbird](https://www.g2.com/products/thunderbird/reviews) — 4.3/5 stars (339 reviews)
- [Mailbird](https://www.g2.com/products/mailbird/reviews) — 3.6/5 stars (101 reviews)
- [BlueMail](https://www.g2.com/products/bluemail/reviews) — 4.3/5 stars (53 reviews)
- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2463 reviews)
- [Shift](https://www.g2.com/products/redbrick-shift/reviews) — 4.5/5 stars (264 reviews)
- [Zimbra Desktop](https://www.g2.com/products/zimbra-desktop/reviews) — 4.4/5 stars (22 reviews)
- [Airmail](https://www.g2.com/products/airmail/reviews) — 3.6/5 stars (22 reviews)
- [Missive](https://www.g2.com/products/missive/reviews) — 4.7/5 stars (823 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1241 reviews)

### Alternatives to eM Client

- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3468 reviews)
- [Thunderbird](https://www.g2.com/products/thunderbird/reviews) — 4.3/5 stars (339 reviews)
- [Mailbird](https://www.g2.com/products/mailbird/reviews) — 3.6/5 stars (101 reviews)
- [BlueMail](https://www.g2.com/products/bluemail/reviews) — 4.3/5 stars (53 reviews)
- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2463 reviews)
- [Shift](https://www.g2.com/products/redbrick-shift/reviews) — 4.5/5 stars (264 reviews)
- [Kiwi for Gmail](https://www.g2.com/products/kiwi-for-gmail-kiwi-for-gmail/reviews) — 4.4/5 stars (58 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1241 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56368 reviews)
- [Missive](https://www.g2.com/products/missive/reviews) — 4.7/5 stars (823 reviews)

### Alternatives to Spike

- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (47968 reviews)
- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3468 reviews)
- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2463 reviews)
- [Zoho Mail](https://www.g2.com/products/zoho-mail/reviews) — 4.4/5 stars (713 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 (39005 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1241 reviews)
- [Proton Mail For Business](https://www.g2.com/products/proton-mail-for-business/reviews) — 4.6/5 stars (263 reviews)
- [Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews) — 4.4/5 stars (18890 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56368 reviews)

---
## Top Discussions

### Mailspring

No discussions available for this product.

### eM Client

- Title: [Is eM client any good?](https://www.g2.com/discussions/is-em-client-any-good) — 3 comments
  > **Top comment:** "emClient  is a very solid option as an email client. Easy-to-use and support is decent."
- Title: [Is eM client really free?](https://www.g2.com/discussions/is-em-client-really-free) — 2 comments
  > **Top comment:** "Yea, I use it with two email accounts and it’s free,i think that is the limit though. More accounts is what causes it to charge. I’ve not found any features..."
- Title: [What is eM Client used for?](https://www.g2.com/discussions/what-is-em-client-used-for) — 1 comment
  > **Top comment:** "eM Client is used as a full-featured email and collaboration client to manage emails, calendars, contacts, and tasks in one place. It supports Exchange,..."

### 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..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/mailspring-vs-em-client-vs-spike)