Kolab Now vs Firefox Relay
On privacy it's Kolab Now. On price it's Firefox Relay. On features it's Kolab Now. Here's everything side by side, last checked 25 October 2026.
Which should you choose?
- Kolab Now suits you best if you want your email to stay in Switzerland; email at your own domain name; and 5 GB of storage.
- Go for Firefox Relay if you'd like the lower price ($0.99 a month) and to try it free first.
| Feature | Kolab Now | Firefox Relay |
|---|---|---|
| Overall | 3.5 | 2.5 |
| Privacy | 3.0 | 1.0 |
| Price | 3.0 | 5.0 |
| Features | 4.5 | Not rated |
| Cheapest plan | Mailbox CHF 5 a month | Premium $0.99 a month |
| Free plan | No | Yes, 5 aliases |
| Storage | 5 GB | Forwards only |
| Your own domain | ✓ Yes | Own subdomain only |
| End-to-end encryption | No | No |
| Company based in | Switzerland | United States (Mozilla) |
| Your data is kept in | Switzerland | United States |
| Founded | 2013 | 2020 |
| Free trial | Unknown | 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 | Yes | Unlimited aliases |
| Open-source apps | ✓ Yes | ✓ Yes |
| Sign up without ID | No | No |
| White label | Unknown | No |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
The key differences
- Cheapest plans: Kolab Now Mailbox, CHF 5 a month. Firefox Relay Premium, $0.99 a month.
- Kolab Now has no free plan; Firefox Relay has a free plan (5 aliases).
- Space: Kolab Now gives 5 GB of storage, Firefox Relay no storage, as it forwards mail on.
- Data location: Switzerland for Kolab Now, United States for Firefox Relay.
- The companies sit under different laws: Kolab Now in Switzerland, Firefox Relay in United States (Mozilla).
- You can use your own domain with Kolab Now, but not with Firefox Relay.
- Mail apps: Kolab Now works in any mail app over IMAP; Firefox Relay only works in its own apps.
- Aliases: Kolab Now offers yes, Firefox Relay unlimited aliases.
Kolab Now and Firefox Relay: your questions
Is Kolab Now more private than Firefox Relay?
Kolab Now scores 3 out of 5 for privacy and Firefox Relay 1. Kolab Now gives you your email to stay in Switzerland.
Is Kolab Now cheaper than Firefox Relay?
Firefox Relay is cheaper. Its Premium plan is $0.99 a month, against CHF 5 a month for Kolab Now's Mailbox. Firefox Relay also has a free plan. Check the renewal price before you pay, as some first-year prices go up.
Can I use my own domain with Kolab Now or Firefox Relay?
Only Kolab Now does (Yes). With Firefox Relay your address stays on its own domain.
Where is my email stored with Kolab Now and Firefox Relay?
Kolab Now keeps it in Switzerland. Firefox Relay keeps it in the United States.
Can I use Kolab Now and Firefox Relay in Apple Mail or Outlook?
Kolab Now works in any mail app over IMAP. Firefox Relay only works in its own apps.
Prices and the latest news
I haven't seen either change its price since I started checking on 25 October 2026.
The latest headlines: Kolab Now news · Firefox Relay news.
Not sold on either? Try these
Kolab Now vs mailbox.org · Firefox Relay vs mailbox.org · Kolab Now vs Posteo · Firefox Relay vs Posteo · Kolab Now vs Proton Mail · Firefox Relay vs Proton Mail
How to switch
Moving between any two providers works the same way. Pick your two providers for the steps.