Chrono vs PlugBrain
Side-by-side comparison of two open source alternatives
Chrono
Features Modern and easy to use interface Alarms Customizable schedules (daily, weekly, specific week days, specific dates, date range) Configure melody, rising volume and vibrations Configure snooze length and max snoozes Alarm tasks (math problems, retype text, sequence, more to come) Filter alarms (all, today, tomorrow, snoozed, disabled, completed) Clock Customizable clock display World clocks with relative time difference Search and add cities Timer Configure melody, rising volume and vibrations Timer presets Filter timers (all, running, paused, stopped) Stopwatch Lap history with lap times and elapsed times Lap comparisons Appearance Material You themes Highly customizable color themes Highly customizable style themes
PlugBrain
PlugBrain is an app that encourages regular breaks from distracting apps by blocking access at scheduled intervals. To regain access, you’ll need to solve a math challenge that adjusts in difficulty: the more frequently you use the apps, the harder the challenges become, but the longer you stay away, the easier they get. **Features** - No ads - No internet required - Blocks distracting apps - Unblock apps by solving math challenges - Difficulty increases with frequent use, decreases with focus **How to use** - Grant all required permissions - Select distracting apps - Choose your focus interval - Stay focused ;)
| Feature | Chrono | PlugBrain |
|---|---|---|
| License | GPL-3.0-or-later | GPL-3.0-only |
| Install sources | F-DroidGitHubIzzyOnDroid | F-DroidGitHubIzzyOnDroid |
| Categories | ProductivityCalendar | ProductivityFitnessCalendar |
| Features | Ad-FreeOpen SourceNo Tracking | Ad-FreeOpen SourceNo Tracking |
| Platforms | Android | Android |
| Website | ||
| Source code |