21 Days – AI Challenge app icon

Apps Like 21 Days – AI Challenge for iPhone and iPad

by ahmet celik★ 0.00 ratingsLifestyle$0.99Data updated 2026-09-06

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. 75 Days Challenge: Better app icon

    75 Days Challenge: Better

    Alexander Parnev

    Build habits, set durations, track streaks

    Create habits with customizable challenges and set durations for sprints, resets, grinds, or marathons. Track progress with daily photos, compare changes, and add notes to each entry. Check in quickly using home screen widgets to maintain streaks.

    ★ 4.8559 ratingsHealth & FitnessFreeData updated 2026-09-06
  2. Days Since: Quit Habit Tracker app icon

    Days Since: Quit Habit Tracker

    A Couple of Friends OOD

    Track progress with a counter

    Track progress toward quitting habits by setting a counter for each . Record the last time you engaged in the behavior and view how long it has been since then. Stay motivated by monitoring daily progress without resetting the counter.

    ★ 4.819,155 ratingsHealth & FitnessFreeData updated 2026-09-16
  1. Days Since - Track Memories app icon

    Days Since - Track Memories

    Jordi Bruin

    Important events and habits

    Last performing important activities. Create counters for events like starting a job or visiting the dentist. Reset counters or set reminders. Log habits such as daily workouts or quitting smoking. View progress and manage multiple counters.

    ★ 4.786 ratingsUtilitiesFreeData updated 2026-09-06
  2. 30 Day Ab Challenge App app icon

    30 Day Ab Challenge App

    Rumble Enterprise

    Build core strength with daily workouts

    Follow a 30-day ab training plan with daily workout routines. Track progress with built-in calendars and goal setting. Access guided exercises with video demonstrations. Monitor core strength and fat reduction metrics.

    ★ 4.7668 ratingsHealth & FitnessFreeData updated 2026-09-14
  3. Sober: Sobriety Tracker app icon

    Sober: Sobriety Tracker

    Red Penguin LLC

    Track days, build habits, connect with community

    Track sobriety with daily progress logs and goal setting. Monitor hydration, sleep, and mood. Connect with a community to share experiences and receive support. Set reminders for activities like exercise or meditation.

    ★ 4.87,782 ratingsLifestyleFreeData updated 2026-09-09
  4. Grit: Daily Habit Tracker app icon

    Grit: Daily Habit Tracker

    GrittyApps

    Track habits, set goals, unlock milestones

    Track habits and break bad ones with detailed logging and progress monitoring. Set reminders and receive streak-based achievements. Sync with Apple Health for automatic data updates. View comprehensive statistics and use widgets for quick access.

    ★ 4.810,860 ratingsProductivityFreeData updated 2026-09-06
  5. Sober Days: Sobriety Counter app icon

    Sober Days: Sobriety Counter

    Assylbek Issatayev

    Track progress, reflect daily, connect with others

    Track progress with customizable counters for days, milestones, or meaningful moments. Set custom wallpapers. Log habits like alcohol, smoking, or self-harm. Access daily motivation and reflection prompts. Join community support groups.

    ★ 4.7156 ratingsHealth & FitnessFreeData updated 2026-09-13
  6. Pulsa - Live in Your Rhythm app icon

    Pulsa - Live in Your Rhythm

    John Lennon Mendoza

    Record workouts, track progress, connect with community

    Track workouts with activity logging, sync with Apple Health, and manually enter exercises. Upload photos and notes with each session. View progress charts and set fitness goals. Join a community for motivation and support.

    ★ 4.7802 ratingsLifestyleFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.