Kualo vs iRedMail
In short: Kualo wins on privacy, Kualo wins on price, and Kualo wins on features. The full comparison is below, last checked 25 October 2026.
Which should you choose?
- Choose Kualo if you want your mailbox stored in the United Kingdom.
- iRedMail is the better pick if you want to try it free first; a calendar and contacts alongside your mail; and open-source apps.
| Feature | Kualo | iRedMail |
|---|---|---|
| Overall | 3.0 | Not rated |
| Privacy | 2.5 | Not rated |
| Price | 3.5 | Not rated |
| Features | 3.5 | Not rated |
| Cheapest plan | Zimbra Professional Email From £3.99 per user a month (10 GB Zimbra mailbox, longer terms) | Open source Free |
| Free plan | No | Yes, open source |
| Storage | 10 GB | Not confirmed |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United Kingdom | Not confirmed |
| Your data is kept in | United Kingdom | Your own server |
| Founded | 2000 | Unknown |
| Free trial | 60-day money-back guarantee | Free to download |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | ✓ IMAP and SMTP |
| Calendar and contacts | No | ✓ Yes |
| Aliases | Yes | Yes |
| Open-source apps | No | ✓ Yes |
| Sign up without ID | No | No |
| White label | Unknown | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
How Kualo and iRedMail differ
- On price: Kualo Zimbra Professional Email at From £3.99 per user a month (10 GB Zimbra mailbox, longer terms), against iRedMail Open source at Free.
- Kualo has no free plan; iRedMail has a free plan (open source).
- Space: Kualo gives 10 GB of storage, iRedMail storage not confirmed.
- Your mail is stored in the United Kingdom with Kualo, and in Your own server with iRedMail.
- The companies sit under different laws: Kualo in United Kingdom, iRedMail in Not confirmed.
Common questions
Can I use my own domain with Kualo or iRedMail?
Yes, both do. Kualo: Yes. iRedMail: Yes.
Where is my email stored with Kualo and iRedMail?
Kualo keeps it in the United Kingdom. iRedMail keeps it in Your own server.
Price changes and news
No price changes for either since 25 October 2026. I check regularly and add any change here with its date.
The latest headlines: Kualo news · iRedMail news.
Also worth a look
- mailbox.org4.5 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
- Tuta Business4.0 out of 5 overall
Kualo vs mailbox.org · iRedMail vs mailbox.org · Kualo vs Proton Mail for Business · iRedMail vs Proton Mail for Business · Kualo vs Tuta Business · iRedMail vs Tuta Business
Switching between them
Moving between any two providers works the same way. Pick your two providers for the steps.