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Proton Mail vs Fastmail
Side-by-side comparison for macOS
Proton Mail
8.0Client for Proton Mail and Proton Calendar
Fastmail
7.0Email client
| Metric | Proton Mail | Fastmail |
|---|---|---|
| Category | Security & Privacy | Communication |
| AI Score | 8.0 | 7.0 |
| 30-day Installs | 525 | 106 |
| 90-day Installs | 1.6K | 356 |
| 365-day Installs | 5.8K | 1.1K |
| Version | 1.12.1 | 1.2.1 |
| Auto-updates | Yes | Yes |
| Deprecated | No | No |
| GitHub Stars | 21 | — |
| GitHub Forks | 6 | — |
| Open Issues | 14 | — |
| License | GPL-3.0 | — |
| Language | Go | — |
| Last GitHub Commit | 3mo ago | — |
| First Seen | Mar 15, 2024 | Oct 13, 2025 |
Reviews
Proton Mail
Proton Mail is a privacy-focused desktop client for accessing encrypted email and calendar services, ideal for users prioritizing security and anonymity, such as activists and journalists.
Provides a desktop interface for Proton Mail and Proton Calendar services, enabling secure communication and calendar management.
Pros
- + Strong focus on privacy and security
- + Supports encrypted email and calendar services
- + Regular updates and active development
- + MacOS integration for seamless use
- + Open-source with community contributions
Cons
- - Occasional privacy controversies
- - Some usability issues reported
Fastmail
Fastmail is a robust macOS email client offering features like masked emails and seamless email migration. It's ideal for users prioritizing privacy and those looking to transition from other services.
Fastmail is an email client designed to manage email accounts with advanced features.
Pros
- + Supports seamless email migration from services like Gmail
- + Offers masked email addresses for enhanced privacy
- + Regular auto-updates ensure the app stays current
Cons
- - Some users have privacy concerns due to Fastmail's policies
- - No mentions on Reddit, indicating less community engagement