# Fastmail vs Proton Mail For Business Comparison

| | Fastmail | Proton Mail For Business | 
|---|---|---|
| **Star Rating** | 4.3 out of 5 | 4.6 out of 5 | 
| **Total Reviews** | 18 | 427 | 
| **Largest Market Segment** | Small-Business (72.2% of reviews) | Small-Business (61.4% of reviews) | 
| **Entry Level Price** | $5.00 1 User Per Month | Starting at $6.99 1 User Per Month | 

---
## Top Pros & Cons

### Fastmail

**Not enough data**

### Proton Mail For Business

Pros:
- Ease of Use (3 reviews)
- Encryption (2 reviews)

Cons:
- Compatibility Issues (1 reviews)
- Complex Processes (1 reviews)

---
## Ratings Comparison
| Rating | Fastmail | Proton Mail For Business | 
|---|---|---|
  | **Meets Requirements** | 7.7 (11 reviews) | 9.0 (125 reviews) | 
  | **Ease of Use** | 8.0 (11 reviews) | 9.0 (394 reviews) | 
  | **Ease of Setup** | 8.7 (5 reviews) | 8.9 (33 reviews) | 
  | **Ease of Admin** | Not enough data | 9.0 (19 reviews) | 
  | **Quality of Support** | 7.0 (10 reviews) | 8.8 (323 reviews) | 
  | **Has the product been a good partner in doing business?** | Not enough data | 9.4 (16 reviews) | 
  | **Product Direction (% positive)** | 6.8 (11 reviews) | 9.1 (123 reviews) | 

---
## Pricing

### Fastmail

#### Entry-Level Pricing

Plan: Standard

Price: $5.00 1 User Per Month

Description: Enhanced features for home or work.

Key Features:
- Everything on the the Basic plan
- 30GB per user of storage
- Use your own domains 
(you@yourname) and use up to 100 domains

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

#### Free Trial

Yes

### Proton Mail For Business

#### Entry-Level Pricing

Plan: Mail Essentials

Price: Starting at $6.99 1 User Per Month

Description: Includes these features:

Key Features:
- 15 GB storage per user
- 10 email addresses per user
- 3 custom email domains supported

[Browse all 3 editions](https://www.g2.com/products/proton-mail-for-business/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Email Management

| Product | Score | Reviews |
|---|---|---|
| **Fastmail** | N/A | N/A |
| **Proton Mail For Business** | N/A | N/A |

#### Sorting & Filtering

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **Attachment Search** | Not enough data | Not enough data | 
| **Tags** | Not enough data | Not enough data | 
| **AI Sorting** | Not enough data | Not enough data | 
| **Predefined Rules** | Not enough data | Not enough data | 

#### Integrations

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **Microsoft Outlook Integration** | Not enough data | Not enough data | 
| **Gmail Integration** | Not enough data | Not enough data | 
| **Apple Calendar Integration** | Not enough data | Not enough data | 

#### Time Management

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **Unified Inbox** | Not enough data | Not enough data | 
| **Email Automation** | Not enough data | Not enough data | 
| **Snooze** | Not enough data | Not enough data | 

#### Generative AI

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **AI Text Generation** | Not enough data | Not enough data | 
| **AI Text-to-Speech** | Not enough data | Not enough data | 
| **AI Text Summarization** | Not enough data | Not enough data | 

#### Agentic AI - Email Management

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 

### Email

| Product | Score | Reviews |
|---|---|---|
| **Fastmail** | N/A | N/A |
| **Proton Mail For Business** | 7.0/10 | 8 |

#### Generative AI

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **AI Text Generation** | Not enough data | 7.1 (8 reviews) | 
| **AI Text Summarization** | Not enough data | 6.9 (8 reviews) | 
| **AI Text-to-Speech** | Not enough data | Feature Not Available | 
| **Autonomous Task Execution** | Not enough data | Feature Not Available | 
| **Cross-system Integration** | Not enough data | Feature Not Available | 
| **Proactive Assistance** | Not enough data | Feature Not Available | 

### Email Encryption

| Product | Score | Reviews |
|---|---|---|
| **Fastmail** | N/A | N/A |
| **Proton Mail For Business** | 9.0/10 | 285 |

#### Encryption Techniques - Email Encryption

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **Encryption Algorithms** | Not enough data | 9.8 (16 reviews) | 
| **Transport Encryption** | Not enough data | 9.8 (16 reviews) | 
| **End-to-End Encryption** | Not enough data | 9.8 (95 reviews) | 

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

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **Revocation Mechanisms** | Not enough data | Not enough data | 
| **Access Controls** | Not enough data | 8.9 (16 reviews) | 
| **Digital Signatures** | Not enough data | 9.2 (6 reviews) | 
| **Certificate Authorities** | Not enough data | Not enough data | 

#### Security Enhancements and Auditing - Email Encryption

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **Malware Scanning** | Not enough data | 9.2 (6 reviews) | 
| **Reporting** | Not enough data | Not enough data | 
| **Audit Trails** | Not enough data | Feature Not Available | 
| **Data Loss Prevention (DLP)** | Not enough data | Feature Not Available | 

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

| Feature | Fastmail | Proton Mail For Business | 
|---|---|---|
| **User-Friendly Interfaces** | Not enough data | 8.8 (202 reviews) | 
| **APIs and SDKs** | Not enough data | Feature Not Available | 
| **Email Client Integration** | Not enough data | 6.5 (33 reviews) | 
| **Automation** | Not enough data | 9.4 (22 reviews) | 

---
## Categories

**Unique to Fastmail (1):** [Email Management Software](https://www.g2.com/categories/email-management)

**Unique to Proton Mail For Business (2):** [Email Software](https://www.g2.com/categories/email), [Email Encryption Software](https://www.g2.com/categories/email-encryption)


---
## Reviewer Demographics

### By Company Size

| Segment | Fastmail | Proton Mail For Business | 
|---|---|---|
| **Small-Business** | 72.2% | 61.4% | 
| **Mid-Market** | 27.8% | 26.5% | 
| **Enterprise** | 0% | 12.0% | 

### By Industry

#### Fastmail

- **Information Technology and Services:** 27.8%
- **Marketing and Advertising:** 11.1%
- **Human Resources:** 11.1%
- **Translation and Localization:** 5.6%
- **Telecommunications:** 5.6%
- **Non-Profit Organization Management:** 5.6%
- **Investment Management:** 5.6%
- **Financial Services:** 5.6%
- **Education Management:** 5.6%
- **Consumer Services:** 5.6%
- **Other:** 11.1%

#### Proton Mail For Business

- **Information Technology and Services:** 10.3%
- **Computer Software:** 8.1%
- **Consulting:** 6.9%
- **Mental Health Care:** 5.7%
- **Computer & Network Security:** 5.2%
- **Internet:** 3.4%
- **Higher Education:** 3.2%
- **Health, Wellness and Fitness:** 2.7%
- **Hospitality:** 2.7%
- **Non-Profit Organization Management:** 2.5%
- **Other:** 49.4%

---
## Alternatives

### Alternatives to Fastmail

- [Thunderbird](https://www.g2.com/products/thunderbird/reviews) — 4.3/5 stars (340 reviews)
- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2494 reviews)
- [Microsoft 365](https://www.g2.com/products/microsoft365/reviews) — 4.6/5 stars (5833 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1261 reviews)
- [Titan](https://www.g2.com/products/titan-titan/reviews) — 4.6/5 stars (569 reviews)
- [Boomerang for Gmail](https://www.g2.com/products/boomerang-for-gmail/reviews) — 4.6/5 stars (423 reviews)
- [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews)
- [Hiver in Gmail](https://www.g2.com/products/hiver-in-gmail/reviews) — 4.6/5 stars (1283 reviews)
- [Missive](https://www.g2.com/products/missive/reviews) — 4.7/5 stars (845 reviews)
- [Gmelius](https://www.g2.com/products/gmelius/reviews) — 4.4/5 stars (776 reviews)

### Alternatives to Proton Mail For Business

- [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (262 reviews)
- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (48081 reviews)
- [Microsoft Outlook](https://www.g2.com/products/microsoft-outlook/reviews) — 4.5/5 stars (3497 reviews)
- [Zoho Mail](https://www.g2.com/products/zoho-mail/reviews) — 4.4/5 stars (717 reviews)
- [Apple Mail](https://www.g2.com/products/apple-mail/reviews) — 3.9/5 stars (158 reviews)
- [Yahoo! Mail](https://www.g2.com/products/yahoo-mail/reviews) — 3.9/5 stars (104 reviews)
- [HEY](https://www.g2.com/products/basecamp-hey/reviews) — 3.9/5 stars (15 reviews)
- [Titan](https://www.g2.com/products/titan-titan/reviews) — 4.6/5 stars (569 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1261 reviews)
- [Zimbra Collaboration Enterprise Collaboration](https://www.g2.com/products/zimbra-collaboration-enterprise-collaboration/reviews) — 3.6/5 stars (140 reviews)

---
## Top Discussions

### Fastmail

- Title: [What is Fastmail used for?](https://www.g2.com/discussions/what-is-fastmail-used-for) — 1 comment
  > **Top comment:** "fast mail"

### Proton Mail For Business

- Title: [Is ProtonMail legitimate?](https://www.g2.com/discussions/is-protonmail-legitimate) — 2 comments
  > **Top comment:** "Yes, I have been on their paid plan for a few years now. I highly recommend their services. They now have a cloud drive and a great VPN as well."
- Title: [What is Protonmail used for?](https://www.g2.com/discussions/protonmail-what-is-protonmail-used-for) — 1 comment
  > **Top comment:** "Secure cross-platform email."
- Title: [Can police track ProtonMail?](https://www.g2.com/discussions/can-police-track-protonmail) — 1 comment
  > **Top comment:** "From my opinion, police needs special permission to track protonmail, I guess in some cases that police is trying to track protonmail using illegal methods,..."
- Title: [When is the launching date of proton drive?](https://www.g2.com/discussions/when-is-the-launching-date-of-proton-drive) — 1 comment, 2 upvotes
  > **Top comment:** "As the Project Status is still "Under Development", any new information on its release will be added on the ProtonMail Twitter: @ProtonMail. Hope that helps."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/fastmail-vs-proton-mail-for-business)