99tests vs Test IO
| 99tests | Test IO | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | Yes |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Web | Android, api, iOS, Linux, macOS, Web, Windows |
| Free plan | No | No |
| Web app coverage | Yes | Yes |
| Mobile app coverage | Yes | Yes |
| Desktop app coverage | No | — |
| Cross-browser support | Yes | Yes |
| Authoring mode | — | no_code |
Both are listed in Best Functional Testing Software. On Samsung Mobile US Press, Test IO scores higher on our published basis.