one sec vs Opal
| one sec | Opal | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | Yes | Yes |
| Paid from | $1.67/mo | $8.29/mo |
| Open source | No | No |
| Platforms | Android, extension, iOS, Linux, macOS, Windows | Android, iOS, macOS |
| Free plan | Yes | Yes |
Both are listed in Best Screen Time Management Apps, Best Distraction Blocking Software. On Inferse, Opal scores higher on our published basis.