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