Proton Mail vs mailbox.org
Proton Mail wins on privacy, they tie on price and mailbox.org wins on features. Every fact below was checked on or before 23 October 2026.
Proton Mail or mailbox.org: which should you choose?
- Proton Mail is the better pick if you want mail that's encrypted end to end without any setup and a free plan before you pay anything.
- mailbox.org suits you best if you want to pay less: €3 a month, yearly (from summer 2026); 20 GB of storage; and freedom to use the mail app you already like.
| Feature | Proton Mail | mailbox.org |
|---|---|---|
| Overall | 4.5 | 4.5 |
| Privacy | 5.0 | 4.5 |
| Price | 4.0 | 4.0 |
| Features | 4.5 | 5.0 |
| Cheapest plan | Mail Plus $3.99 a month, yearly ($4.99 monthly) | Standard €3 a month, yearly (from summer 2026) |
| Free plan | Yes, 1 GB, no own domain | No (30-day trial) |
| Storage | 15 GB | 20 GB |
| Your own domain | ✓ 1 | ✓ Yes |
| End-to-end encryption | ✓ Built in | Optional (PGP or encrypted storage) |
| Company based in | Switzerland | Germany |
| Your data is kept in | Switzerland | Germany |
| Founded | 2014 | 2014 |
| Free trial | Free plan; 30-day refund on paid plans | 30 days free |
| 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 | ✓ Yes |
| Sign up without ID | ✓ Yes | ✓ Yes |
| White label | No | No |
| Reader offer | Offer Proton's current deals | None |
| Last checked | 23 October 2026 | 22 October 2026 |
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How Proton Mail and mailbox.org differ
- Proton Mail's cheapest plan is Mail Plus ($3.99 a month, yearly ($4.99 monthly)); mailbox.org's is Standard (€3 a month, yearly (from summer 2026)).
- For free, Proton Mail gives you a free plan (1 GB, no own domain), and mailbox.org no free plan.
- Proton Mail comes with 15 GB of storage and mailbox.org with 20 GB of storage.
- Data location: Switzerland for Proton Mail, Germany for mailbox.org.
- Proton Mail is based in Switzerland and mailbox.org in Germany, so different privacy laws apply.
- Proton Mail encrypts mail end to end; mailbox.org offers optional encryption (PGP or encrypted storage).
- Proton Mail works in other mail apps through Proton Bridge on paid plans, and mailbox.org works in any mail app over IMAP.
- For extra addresses, Proton Mail has 10 addresses and mailbox.org has yes.
Proton Mail and mailbox.org: your questions
Which is more private, Proton Mail or mailbox.org?
Proton Mail scores 5 out of 5 for privacy and mailbox.org 4.5. Proton Mail gives you mail that's encrypted end to end without any setup.
Which is cheaper, Proton Mail or mailbox.org?
mailbox.org is cheaper. Its Standard plan is €3 a month, yearly (from summer 2026), 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 mailbox.org work with my own domain?
Yes, both do. Proton Mail: 1 domain on its cheapest plan that allows one. mailbox.org: Yes.
Where do Proton Mail and mailbox.org keep my email?
Proton Mail keeps it in Switzerland. mailbox.org keeps it in Germany.
Do Proton Mail and mailbox.org work in other mail apps?
Proton Mail works in other mail apps through Proton Bridge on paid plans. mailbox.org works in any mail app over IMAP.
Recent price changes
- 1 September 2026 mailbox.org: €3.00 (announced 15 July 2026)
- 1 June 2026 mailbox.org: €2.50
The latest headlines: Proton Mail news · mailbox.org news.
Not sold on either? Try these
Proton Mail vs Posteo · mailbox.org vs Posteo · Proton Mail vs Tuta · mailbox.org vs Tuta · Proton Mail vs addy.io · mailbox.org vs addy.io
How to switch
Switching takes an evening to set up. Follow the steps for your direction: Proton Mail to mailbox.org · mailbox.org to Proton Mail.