Runbox vs Firefox Relay
In short: Runbox wins on privacy, Firefox Relay wins on price, and Runbox wins on features. The full comparison is below, last checked 25 October 2026.
Runbox or Firefox Relay: which should you choose?
- Runbox is the better pick if you want your email to stay in Norway; an address on your own domain; and more room (10 GB, against none).
- Firefox Relay is the better pick if you want the lower price ($0.99 a month) and a free plan to start on.
| Feature | Runbox | Firefox Relay |
|---|---|---|
| Overall | 3.5 | 2.5 |
| Privacy | 3.0 | 1.0 |
| Price | 4.0 | 5.0 |
| Features | 4.5 | Not rated |
| Cheapest plan | Mini $34.95 a year | Premium $0.99 a month |
| Free plan | No (30-day trial) | Yes, 5 aliases |
| Storage | 10 GB | Forwards only |
| Your own domain | ✓ Up to 5 | Own subdomain only |
| End-to-end encryption | No | No |
| Company based in | Norway | United States (Mozilla) |
| Your data is kept in | Norway | United States |
| Founded | 2000 | 2020 |
| Free trial | 30 days free, then a 60-day refund | Free plan |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | No, its own apps only |
| Calendar and contacts | ✓ Yes | No |
| Aliases | 100 aliases | Unlimited aliases |
| Open-source apps | ✓ Yes | ✓ Yes |
| Sign up without ID | No | No |
| White label | No | No |
| Reader offer | None | None |
| Last checked | 22 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
Where they differ
- Cheapest plans: Runbox Mini, $34.95 a year. Firefox Relay Premium, $0.99 a month.
- For free, Runbox gives you no free plan, and Firefox Relay a free plan (5 aliases).
- Runbox comes with 10 GB of storage and Firefox Relay with no storage, as it forwards mail on.
- Data location: Norway for Runbox, United States for Firefox Relay.
- Runbox is based in Norway and Firefox Relay in the United States (Mozilla), so different privacy laws apply.
- Runbox lets you bring your own domain name; Firefox Relay doesn't.
- Runbox works in any mail app over IMAP, and Firefox Relay only works in its own apps.
- For extra addresses, Runbox has 100 aliases and Firefox Relay has unlimited aliases.
Runbox and Firefox Relay: your questions
Which is more private, Runbox or Firefox Relay?
Runbox scores 3 out of 5 for privacy and Firefox Relay 1. Runbox gives you your email to stay in Norway.
Which is cheaper, Runbox or Firefox Relay?
Firefox Relay is cheaper. Its Premium plan is $0.99 a month, against $34.95 a year for Runbox's Mini. Firefox Relay also has a free plan. Check the renewal price before you pay, as some first-year prices go up.
Do Runbox and Firefox Relay work with my own domain?
Only Runbox does (Up to 5). With Firefox Relay your address stays on its own domain.
Where do Runbox and Firefox Relay keep my email?
Runbox keeps it in Norway. Firefox Relay keeps it in the United States.
Do Runbox and Firefox Relay work in other mail apps?
Runbox works in any mail app over IMAP. Firefox Relay only works in its own apps.
Price changes and news
I haven't seen either change its price since I started checking on 22 October 2026.
The latest headlines: Runbox news · Firefox Relay news.
Not sold on either? Try these
Runbox vs mailbox.org · Firefox Relay vs mailbox.org · Runbox vs Posteo · Firefox Relay vs Posteo · Runbox vs Proton Mail · Firefox Relay vs Proton Mail
Moving your email
Moving to Runbox · Moving from Runbox. Or see all my switching guides.