Rajin: Habit Tracker
One tick today, another tomorrow, and your streak keeps getting longer. Start from a habit template, then peek at your stats.
You fast, the timer does the counting
Ramadan and sunnah mode for worship, intermittent fasting presets for your diet. Pick one, tap Start fast and let Jam Puasa count down the rest.
Overview
On a diet with intermittent fasting? No more doing sums in your head while your stomach growls. Pick a preset, or set your own with Custom, and start. The timer shows the time left and which fasting zone you're in, and a notification can tell you when your eating window closes.
For Ramadan and sunnah fasts there's a mode of their own. Imsak to maghrib is worked out offline for the city you choose, as a Kemenag-style estimate. Worship fasts and diet fasts all go into the same unlimited history, and you can back it up to a JSON file.
How it works
Pick a mode
Choose a preset, Custom, or Ramadan and sunnah under Mode.
Start
Tap Start fast and the timer gets going.
Keep an eye on it
Check Remaining and Zone whenever you like.
Finish
Tap Finish now. Got the time wrong? Fix it with Edit start or Edit end.
Highlights
Ramadan and sunnah mode
Imsak to maghrib, worked out offline for your city.
Notifications
A heads-up when your fast ends or your eating window closes.
Stats
Total sessions, on-target finishes, average hours, your last 7 sessions and your streak.
Presets and Custom
Intermittent fasting presets for your diet, or set your own length.
Common questions
Do I need to sign in?
No. Google sign-in is optional and only for sync. Without it, your data stays on your device.
Can I use it for a diet?
Yes. Use an intermittent fasting preset or set your own with Custom, then keep an eye on your eating window. Jam Puasa only keeps time, so for eating plans and health questions, ask an expert.
How accurate are the imsak times?
They're a Kemenag-style estimate worked out offline for your city. For certainty, check the official schedule where you live.
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