HEY vs Zimbra
HEY wins on privacy, HEY wins on price and HEY wins on features. Every fact below was checked on or before 25 October 2026.
HEY or Zimbra: which should you choose?
- Zimbra is the better pick if you want a free plan to start on; to read your mail in any app, such as Apple Mail, Outlook or Thunderbird; and apps whose code is public.
| Feature | HEY | Zimbra |
|---|---|---|
| Overall | 2.0 | Not rated |
| Privacy | 0.5 | Not rated |
| Price | 2.0 | Not rated |
| Features | 4.0 | Not rated |
| Cheapest plan | HEY for You $99 a year (own domain: $12 per user a month) | Open source Free |
| Free plan | No (30-day trial) | Open-source edition; paid Network Edition |
| Storage | 100 GB | Not confirmed |
| Your own domain | ✓ On HEY for Domains | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | United States | United States |
| Your data is kept in | United States | Your own server |
| Founded | 2020 | Unknown |
| Free trial | 30 days free on HEY for You; no trial on HEY for Domains | Unknown |
| Funded by advertising | No | No |
| Works in any mail app | No, its own apps only | ✓ IMAP and SMTP |
| Calendar and contacts | ✓ Yes | ✓ Yes |
| Aliases | Yes | Yes |
| Open-source apps | No | ✓ Yes |
| Sign up without ID | No | No |
| White label | No | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 22 October 2026 |
Want to add another? Open this in the compare tool.
The key differences
- HEY's cheapest plan is HEY for You ($99 a year (own domain: $12 per user a month)); Zimbra's is Open source (Free).
- HEY has no free plan; Zimbra has Open-source edition; paid Network Edition.
- Space: HEY gives 100 GB of storage, Zimbra storage not confirmed.
- Your mail is stored in the United States with HEY, and in Your own server with Zimbra.
- Mail apps: HEY only works in its own apps; Zimbra works in any mail app over IMAP.
Questions people ask
Can I use my own domain with HEY or Zimbra?
Yes, both do. HEY: On HEY for Domains. Zimbra: Yes.
Where is my email stored with HEY and Zimbra?
HEY keeps it in the United States. Zimbra keeps it in Your own server.
Can I use HEY and Zimbra in Apple Mail or Outlook?
HEY only works in its own apps. Zimbra works in any mail app over IMAP.
Prices and the latest news
No price changes for either since 22 October 2026. I check regularly and add any change here with its date.
The latest headlines: HEY news · Zimbra news.
Alternatives to HEY and Zimbra
HEY vs Posteo · Zimbra vs Posteo · HEY vs mailbox.org · Zimbra vs mailbox.org · HEY vs Proton Mail · Zimbra vs Proton Mail
How to switch
Moving between any two providers works the same way. Pick your two providers for the steps.