Proton Mail vs eclipso
In short: Proton Mail wins on privacy, eclipso wins on price, and Proton Mail wins on features. The full comparison is below, last checked 25 October 2026.
Proton Mail or eclipso: which should you choose?
- Choose Proton Mail if you want mail that's encrypted end to end without any setup; an address on your own domain; and apps whose code is public.
- eclipso is the better pick if you want to pay less: €1.49 a month; 20 GB of storage; and to read your mail in any app, such as Apple Mail, Outlook or Thunderbird.
| Feature | Proton Mail | eclipso |
|---|---|---|
| Overall | 4.5 | 3.5 |
| Privacy | 5.0 | 2.5 |
| Price | 4.0 | 4.5 |
| Features | 4.5 | 4.0 |
| Cheapest plan | Mail Plus $3.99 a month, yearly ($4.99 monthly) | Connect €1.49 a month |
| Free plan | Yes, 1 GB, no own domain | Yes, 4 GB |
| Storage | 15 GB | 20 GB |
| Your own domain | ✓ 1 | On paid plans |
| End-to-end encryption | ✓ Built in | No |
| Company based in | Switzerland | Germany |
| Your data is kept in | Switzerland | Germany |
| Founded | 2014 | Unknown |
| Free trial | Free plan; 30-day refund on paid plans | Free plan (Freemail) |
| 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 | Yes |
| 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.
Where they differ
- On price: Proton Mail Mail Plus at $3.99 a month, yearly ($4.99 monthly), against eclipso Connect at €1.49 a month.
- Proton Mail has a free plan (1 GB, no own domain); eclipso has a free plan (4 GB).
- Space: Proton Mail gives 15 GB of storage, eclipso 20 GB of storage.
- Proton Mail keeps your mail in Switzerland, while eclipso keeps it in Germany.
- The companies sit under different laws: Proton Mail in Switzerland, eclipso in Germany.
- On encryption, Proton Mail encrypts mail end to end, whereas eclipso doesn't encrypt mail end to end.
- You can use your own domain with Proton Mail, but not with eclipso.
- Mail apps: Proton Mail works in other mail apps through Proton Bridge on paid plans; eclipso works in any mail app over IMAP.
- Aliases: Proton Mail offers 10 addresses, eclipso yes.
Questions people ask
Is Proton Mail more private than eclipso?
Proton Mail scores 5 out of 5 for privacy and eclipso 2.5. Proton Mail gives you mail that's encrypted end to end without any setup, apps whose code is public and sign-up without ID.
Is Proton Mail cheaper than eclipso?
eclipso is cheaper. Its Connect plan is €1.49 a month, against $3.99 a month, yearly ($4.99 monthly) for Proton Mail's Mail Plus. eclipso and Proton Mail also have a free plan. Check the renewal price before you pay, as some first-year prices go up.
Can I use my own domain with Proton Mail or eclipso?
Only Proton Mail does (1 domain on its cheapest plan that allows one). With eclipso your address stays on its own domain.
Where is my email stored with Proton Mail and eclipso?
Proton Mail keeps it in Switzerland. eclipso keeps it in Germany.
Can I use Proton Mail and eclipso in Apple Mail or Outlook?
Proton Mail works in other mail apps through Proton Bridge on paid plans. eclipso works in any mail app over IMAP.
Prices and the latest news
- 22 October 2026 eclipso: Free; paid plans not confirmed, when I checked
The latest headlines: Proton Mail news · eclipso news.
Alternatives to Proton Mail and eclipso
Proton Mail vs mailbox.org · eclipso vs mailbox.org · Proton Mail vs Posteo · eclipso vs Posteo · Proton Mail vs Tuta · eclipso vs Tuta
Moving your email
Moving to Proton Mail · Moving from Proton Mail. Or see all my switching guides.