Polaris Viewer Plus vs Ultra File Opener
| Polaris Viewer Plus | Ultra File Opener | |
|---|---|---|
| Free trial | Yes | |
| Platforms | Android, iOS, macOS, Web, Windows | Windows |
| Free plan | No | Yes |
| Primary access | cross_platform | desktop |
| Archive preview | No | Yes |
| Office file preview | Yes | Yes |
| Desktop apps | Yes | |
| Offline editing | Yes | |
| Real-time collaboration | Yes | |
| Track changes | Yes | |
| Desktop platforms | windows, macos | |
| Code file preview | Yes |
Listed together in Best File Viewer Software