HEY vs Stalwart
In short: HEY wins on privacy, HEY wins on price, and HEY wins on features. The full comparison is below, last checked 25 October 2026.
HEY or Stalwart: which should you choose?
- Stalwart suits you best if you want a free plan to start on; the choice of any mail app over IMAP; and open-source apps.
| Feature | HEY | Stalwart |
|---|---|---|
| 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) | Community Free (Enterprise from €2 per mailbox a year) |
| Free plan | No (30-day trial) | Yes, open source |
| 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 Kingdom |
| Your data is kept in | United States | Your own server |
| Founded | 2020 | 2019 |
| Free trial | 30 days free on HEY for You; no trial on HEY for Domains | Free to download |
| 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 | 25 October 2026 |
Want to add another? Open this in the compare tool.
How HEY and Stalwart differ
- HEY's cheapest plan is HEY for You ($99 a year (own domain: $12 per user a month)); Stalwart's is Community (Free (Enterprise from €2 per mailbox a year)).
- For free, HEY gives you no free plan, and Stalwart a free plan (open source).
- HEY comes with 100 GB of storage and Stalwart with storage not confirmed.
- HEY keeps your mail in the United States, while Stalwart keeps it in Your own server.
- HEY is based in the United States and Stalwart in the United Kingdom, so different privacy laws apply.
- HEY only works in its own apps, and Stalwart works in any mail app over IMAP.
HEY and Stalwart: your questions
Do HEY and Stalwart work with my own domain?
Yes, both do. HEY: On HEY for Domains. Stalwart: Yes.
Where do HEY and Stalwart keep my email?
HEY keeps it in the United States. Stalwart keeps it in Your own server.
Do HEY and Stalwart work in other mail apps?
HEY only works in its own apps. Stalwart works in any mail app over IMAP.
Recent price changes
No price changes for either since 25 October 2026. I check regularly and add any change here with its date.
The latest headlines: HEY news · Stalwart news.
Alternatives to HEY and Stalwart
HEY vs mailbox.org · Stalwart vs mailbox.org · HEY vs Posteo · Stalwart vs Posteo · HEY vs Proton Mail · Stalwart vs Proton Mail
Moving your email
Whichever you choose, the move follows the same steps. Pick your two providers for the steps.