Kerna vs Quell
| Kerna | Quell | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | €12/mo | — |
| Open source | No | No |
| Platforms | macOS, Web, Windows | Web, Android |
| Free plan | Yes | No |
| Inbox triage | — | Yes |
| AI reply drafting | — | Yes |
| Automatic sending | — | No |
| Thread summaries | — | Yes |
| Follow-up actions | — | Yes |
Both are listed in Best AI Email Assistants. On Samsung Mobile US Press, Quell scores higher on our published basis.