Proton Mail vs Soverin
Proton Mail wins on privacy, they tie on price and Soverin wins on features. Every fact below was checked on or before 25 October 2026.
Proton Mail or Soverin: which should you choose?
- Proton Mail suits you best if you want encryption that means even the provider can't read your mail; a free plan before you pay anything; and open-source apps anyone can check.
- Soverin is the better pick if you want a cheaper plan, at €3.25 a month, yearly; more room (25 GB, against 15 GB); and the choice of any mail app over IMAP.
| Feature | Proton Mail | Soverin |
|---|---|---|
| Overall | 4.5 | 3.5 |
| Privacy | 5.0 | 2.5 |
| Price | 4.0 | 4.0 |
| Features | 4.5 | 5.0 |
| Cheapest plan | Mail Plus $3.99 a month, yearly ($4.99 monthly) | Private Mailbox €3.25 a month, yearly |
| Free plan | Yes, 1 GB, no own domain | No |
| Storage | 15 GB | 25 GB |
| Your own domain | ✓ 1 | ✓ Yes |
| End-to-end encryption | ✓ Built in | No |
| Company based in | Switzerland | Netherlands |
| Your data is kept in | Switzerland | Netherlands |
| Founded | 2014 | Unknown |
| Free trial | Free plan; 30-day refund on paid plans | No free trial; 30-day money-back guarantee |
| Funded by advertising | No | No |
| Works in any mail app | With Proton Bridge on paid plans | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | 10 addresses | Unlimited |
| Open-source apps | ✓ Yes | No |
| Sign up without ID | ✓ Yes | No |
| White label | No | Unknown |
| Reader offer | Offer Proton's current deals | None |
| Last checked | 23 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
The key differences
- On price: Proton Mail Mail Plus at $3.99 a month, yearly ($4.99 monthly), against Soverin Private Mailbox at €3.25 a month, yearly.
- For free, Proton Mail gives you a free plan (1 GB, no own domain), and Soverin no free plan.
- Proton Mail comes with 15 GB of storage and Soverin with 25 GB of storage.
- Data location: Switzerland for Proton Mail, Netherlands for Soverin.
- Proton Mail is based in Switzerland and Soverin in the Netherlands, so different privacy laws apply.
- Proton Mail encrypts mail end to end; Soverin doesn't encrypt mail end to end.
- Proton Mail works in other mail apps through Proton Bridge on paid plans, and Soverin works in any mail app over IMAP.
- For extra addresses, Proton Mail has 10 addresses and Soverin has unlimited.
Proton Mail and Soverin: your questions
Which is more private, Proton Mail or Soverin?
Proton Mail scores 5 out of 5 for privacy and Soverin 2.5. Proton Mail gives you encryption that means even the provider can't read your mail, open-source apps anyone can check and sign-up without ID.
Which is cheaper, Proton Mail or Soverin?
Soverin is cheaper. Its Private Mailbox plan is €3.25 a month, yearly, against $3.99 a month, yearly ($4.99 monthly) for Proton Mail's Mail Plus. Proton Mail also has a free plan. Check the renewal price before you pay, as some first-year prices go up.
Do Proton Mail and Soverin work with my own domain?
Yes, both do. Proton Mail: 1 domain on its cheapest plan that allows one. Soverin: Yes.
Where do Proton Mail and Soverin keep my email?
Proton Mail keeps it in Switzerland. Soverin keeps it in the Netherlands.
Do Proton Mail and Soverin work in other mail apps?
Proton Mail works in other mail apps through Proton Bridge on paid plans. Soverin works in any mail app over IMAP.
Price changes and news
Neither price has changed since my first check on 23 October 2026.
The latest headlines: Proton Mail news · Soverin news.
Also worth a look
Proton Mail vs mailbox.org · Soverin vs mailbox.org · Proton Mail vs Posteo · Soverin vs Posteo · Proton Mail vs Tuta · Soverin vs Tuta
How to switch
Moving to Proton Mail · Moving from Proton Mail. Or see all my switching guides.