Proton
Combines encrypted email, calendar, cloud storage, and VPN into a secure business suite that protects data while supporting daily workflows.
Compared with the next best
Proton next to the top 3 in Tech stack, ranked on features, a free plan and how open they are to AI.
| 9 points compared | ||||
|---|---|---|---|---|
| Starts at | $7/mo | $20/mo | $10/mo | $20/mo |
| Free plan | No | Yes | Yes | Yes |
| API | Yes | Yes | Yes | |
| MCP server | Yes | Yes | Yes | |
| Built-in AI | Yes | Yes | ||
| Integrations & API | Yes | Yes | ||
| Mobile app | Yes | Yes | ||
| Native desktop app | Yes | Yes | ||
| Real-time collaboration | Yes | Yes | ||
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