HEY Calendar vs Onet Poczta
| HEY Calendar | Onet Poczta | |
|---|---|---|
| Free plan | No | Yes |
| Paid from | $8.25/mo | Free |
| Platforms | Web, Windows, macOS, Linux, iOS, Android | Web, Windows, macOS, Linux, iOS, Android |
| Free plan | No | Yes |
| Mailbox storage | 100 GB | |
| Custom domain | No | Yes |
| Email aliases | No | Yes |
| Ad-free inbox | Yes | Yes |
| Platform access | web_mobile_desktop | web_mobile_desktop |
| Attachment limit | 50 MB |
Listed together in Best Personal Email Services