OpenSlug vs Ulysses
| OpenSlug | Ulysses | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | Yes |
| Paid from | — | $3.33/mo |
| Open source | No | No |
| Platforms | Web, iOS, Android | macOS, iOS |
| Free plan | Yes | No |
| Publishing tools | Yes | Yes |
| Real-time collaboration | No | No |
| Version history | Yes | Yes |
| Offline mode | Yes | Yes |
| Export formats | basic | advanced |
| Mobile apps | — | Yes |
Both are listed in Best Writing Apps. On Samsung Mobile US Press, Ulysses scores higher on our published basis.