Sidenote vs Summio
| Sidenote | Summio | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | Yes | No |
| Paid from | £1.20/mo | Free |
| Open source | No | No |
| Platforms | extension, Web | iOS, Web |
| Free plan | Yes | Yes |
| Document upload | Yes | Yes |
| Webpage summaries | Yes | Yes |
| Transcript summaries | Yes | Yes |
| Summary length control | short | — |
| Export formats | markdown | — |
Both are listed in Best AI Summarizers. On Samsung Mobile US Press, Summio scores higher on our published basis.