Gmail vs Microsoft 365 vs ProtonMail
| Attribute | |||
|---|---|---|---|
| Category | Email & Messaging Marketing | Productivity & Collaboration | Email & Messaging Marketing |
| Pricing | Free tier | Paid | Free tier |
| Starting price | $7/month | $6/month | $3.99/month |
| Free tier | Yes | Unknown | Yes |
| Free trial | Yes | Yes (30d) | No |
| Deployment | — | Cloud | — |
| API available | Unknown | Yes | Unknown |
| Platforms | — | — | — |
| Certifications | — | — | — |
| Integrations | — | — | — |
| Company | — | — | Founded 2013 |
| Feature attributes | |||
| Sso Saml | — Unknown | — Unknown | — Unknown |
| Rbac | — Unknown | — Unknown | — Unknown |
| Mobile App | — Unknown | — Unknown | — Unknown |
| Webhooks | — Unknown | — Unknown | — Unknown |
| Data Export | — Unknown | — Unknown | — Unknown |
| Docs Editor | — Unknown | — Unknown | — Unknown |
| Real Time Collaboration | — Unknown | — Unknown | — Unknown |
| Storage Included | — Unknown | — Unknown | — Unknown |
| Offline Access | — Unknown | — Unknown | — Unknown |
| Templates | — Unknown | — Unknown | — Unknown |
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Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.