nGen Labs

Software for work and everyday life

Fasten

Fasting tracker

Fasting tracker for 14 traditions. Free, no account.

Live on iPhone and Android

Fasten’s Home screen during a 16:8 fast: a circular countdown reading 05:42:25 remaining in the window 9:48 AM to 1:48 AM, an End Fast button, and cards for a streak of 32 fasts, 53 completed and a best streak of 32. (open full size)
The Home screen during a 16:8 fast.
Fasten’s Plans screen: the Sunnah tradition marked Active and opened to show its rule, every Monday and Thursday from Fajr to Maghrib, a short description and a Deactivate button, with Jain, Ramadan, Orthodox Christian and Ethiopian Orthodox in the list around it. (open full size)
Plans: each tradition with its own rules, turned on or off with one tap.
Fasten’s Calendar for October 2026 with the Hijri months Rabi’ al-Thani to Jumada al-Awwal 1448 AH under the title, fast days marked with coloured dots, a key for fasting, completed, missed and optional, and the note that any past day can be logged with your own times. (open full size)
The calendar, with the Hijri months under each Gregorian month.

Features

  • Timer for the current fast
  • Prayer, sunrise and sunset times, calculated on the phone
  • Suhoor, iftar and fast reminders
  • Calendar of upcoming fasts, with Hijri and Hebrew months
  • Log past fasts with your own times
  • Streaks, stats and a weekly reflection journal
  • Home screen widgets, plus a Live Activity on iPhone or an ongoing notification on Android while you fast
  • 13 prayer time calculation methods
  • Short guide for each tradition
  • In English, Arabic (right to left), Amharic and Hindi
  • Backup and restore through a file

14 traditions

  • Ramadan
  • Sunnah
  • Intermittent fasting
  • Orthodox Christian
  • Catholic
  • Coptic Orthodox
  • Ethiopian Orthodox
  • Jewish
  • Bahá’í
  • Hindu (Vrat)
  • Buddhist
  • Jain
  • LDS Fast Sunday
  • Personal challenge

Privacy

  • Personal dataNot collected
  • AccountNone
  • Analytics or trackingNone
  • Ads or in-app purchasesNone

Everything stays on your phone unless you export a backup. Deleting the app deletes your data.

Privacy policy

Screenshots

Fasten’s weekly reflection for 5 to 11 October, rated Good, with a short note about breaking the fast slowly with dates and water, two earlier weeks listed below it, and a Monthly activity chart of completed fasts from May to October. (open full size)
A short note on each week of fasting, kept on the phone.
Fasten’s Home screen in Arabic, laid out right to left: the evening greeting and date, the 16:8 fast timer at 05:42:24, the end fast button, the streak cards and a mirrored tab bar. (open full size)
Fasten in Arabic, with the whole layout right to left.