Best 21 Day Challenge Apps

142+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated June 2026

If you already know The 21 Days Challenge, this is the deeper bench. 142+ 21 day challenge apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for 21 Day Challenge

The 21 Days Challenge#1

The 21 Days Challenge by Kati Pereira

Introduce life changing habits
Editor's Choice
🌟 Lifestyle
4.7😊(499 ratings)
FreeAdsIn-App Purchases
The 21 Days Challenge screenshot 1
The 21 Days Challenge screenshot 2
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The 21 Days Challenge screenshot 6

"Transform your life with 21-day challenges to cultivate new habits. Choose from a variety of challenges, track your progress, earn points for customization, and journal daily for a healthier mind. Download now and start your journey to a happier self!"

What We Love

  • 🚀 Simple and motivating
  • 👍 Clean design and clear progress tracking
  • 🤗 Genuinely helpful and enjoyable to use
  • 💫 Positive impact on mental health and habits

Room to Improve

  • 🔍 Lack of search option in community challenges
  • 🔀 Challenges disappear after creation, no way to find them
  • 🤖 Too many ads interrupting the experience
30 Day Fitness at Home#2

30 Day Fitness at Home by Leap Health Fitness Limited

Home Workout for Women To Burn
Strong Contender
💪 Health & Fitness
4.9😊(28K ratings)
FreeAdsIn-App Purchases
30 Day Fitness at Home screenshot 1
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30 Day Fitness at Home screenshot 5
30 Day Fitness at Home screenshot 6

Get in shape with our 30-day home fitness program designed for men. Work out anytime, anywhere with personalized routines and progress tracking. Start your fitness journey today!

What We Love

  • 👍 Convenient and effective workouts
  • 👍 Variety of difficulty levels and workout types
  • 👍 Helpful instructions and tutorials
  • 👍 Motivating and encouraging

Room to Improve

  • 🔒 Subscription required for full access
  • 🐛 Glitches and bugs with the app
  • 🔒 Misleading free trial and subscription practices
Be fit 21 - Home workout app#3

Be fit 21 - Home workout app by Denis Vasyanin

Lose weight in 21 days
Worth Considering
💪 Health & Fitness
4.6(613 ratings)
FreeIn-App Purchases
Be fit 21 - Home workout app screenshot 1
Be fit 21 - Home workout app screenshot 2
Be fit 21 - Home workout app screenshot 3
Be fit 21 - Home workout app screenshot 4

Get in shape and lose weight with a home workout app offering 21-day training programs suitable for all fitness levels. Access 50 exercises designed by professional trainers to help you reach your fitness goals in just three weeks. Start your fitness journey today!

More 21 Day Challenge apps to explore

4
Habit Tracker
Habit Tracker
Habit Tracker
Goal Tracker & ADHD Planner
Free

Track your daily habits, set goals, and monitor your progress with this handy habit-tracking app. Stay motivated and achieve your objectives easily. Start tracking today!

📊 Productivity
(142K)
5
21 Days
21 Days
21 Days
by iLoma Technology Private Limited
Free
💪 Health & Fitness
(0)
6
90 Day Challenge
90 Day Challenge
90 Day Challenge
by Browney B.V.
Free

Embark on your fitness journey with personalized 90-day programs tailored to your goals, level, and training style. Track your progress, take progress photos, access recipes and educational content, and challenge friends for added motivation. Start your 7-day free trial today and kickoff your 90 Day Challenge!

💪 Health & Fitness
(4.5K)
7
Home Fitness Coach: FitCoach
Home Fitness Coach: FitCoach
Home Fitness Coach: FitCoach
Daily Workouts for Weight Loss
Free

Get in shape with a personalized fitness app designed for weight loss and toning. Features include personal training plans, step tracker, workout history, and audio prompts. Start your fitness journey today!

💪 Health & Fitness
(65K)
8
75 Days Challenge Tough & Soft
75 Days Challenge Tough & Soft
75 Days Challenge Tough & Soft
75 soft medium fitness tracker
Free

Embark on a 75-day challenge to push your limits with daily tasks focused on physical activity, mental well-being, and personal growth. Join now to begin your journey towards self-improvement and achieve lasting transformation.

💪 Health & Fitness
(7.6K)
9
30 Day Fitness - Home Workout
30 Day Fitness - Home Workout
30 Day Fitness - Home Workout
Daily workouts to lose weight
Free

Achieve your fitness goals with daily workouts in the 30 Day Fitness Challenge app. Tone your body, lose weight, and track your progress with video tutorials and personalized exercise plans. Join thousands of users worldwide and download the app now!

💪 Health & Fitness
(59K)
10
Wall Pilates by Fit & Lean
Wall Pilates by Fit & Lean
Wall Pilates by Fit & Lean
30 Day Home Workout Challenge
Free

Experience personalized virtual Pilates sessions with Wall Pilates by Fit, tailored to your fitness level and schedule. Get started today to strengthen your core, improve flexibility, and achieve your fitness goals.

💪 Health & Fitness
(1.3K)
11
I am - Daily Affirmations
I am - Daily Affirmations
I am - Daily Affirmations
Developpement personnel
Free

Experience daily affirmations with our app, designed to rewire your mindset with positive self-talk and empower you to reach your goals. Get started on a journey of self-discovery and resilience today. Subscribe for premium content and unlock the full potential of affirmations.

💪 Health & Fitness
(13K)
12
21 Day Fitness at Home
21 Day Fitness at Home
21 Day Fitness at Home
21 Day Challenge For Fitness
Free

Get fit and lose weight in just 21 days with a customizable at-home workout plan that requires no equipment and suits all fitness levels. Challenge yourself with easy-to-follow exercises, track progress, and achieve your goals with the help of a virtual fitness coach and personalized reminders.

📊 Productivity
(16)
13
Female Fitness - Fit at Home
Female Fitness - Fit at Home
Female Fitness - Fit at Home
Buttocks Workout, Legs Workout
Free

Get started today with our app for sculpting toned legs and a tight butt. Target key muscle groups with proper form and start seeing positive changes in just a few weeks!

💪 Health & Fitness
(6.6K)
14
BODi Home Fitness & Workouts
BODi Home Fitness & Workouts
BODi Home Fitness & Workouts
Workouts: P90X, Insanity, Yoga
Free

Discover a comprehensive fitness, nutrition, and mindset app that simplifies your wellness journey. Access a variety of workouts, meal plans, meditations, and community support to help you reach your goals. Start your wellness journey today!

💪 Health & Fitness
(297K)
15
30 Day Fitness Workout at Home
30 Day Fitness Workout at Home
30 Day Fitness Workout at Home
Hiit Exercise Challenge App
Free

Get fit with our new Hiit Exercise Challenge App! Customize your workout challenge duration, select daily reps, and build your strength gradually with easy home exercises. Start today and stay motivated with progress tracking. Find out more by contacting edouard.developer@gmail.com or following @edouard_iosdev on Instagram. Let's get moving!

💪 Health & Fitness
(2.7K)
16
90 Day Challenge : Day by Day
90 Day Challenge : Day by Day
90 Day Challenge : Day by Day
Tally Habit • Days Since
Free

Track your progress and build habits with Day by Day, a customizable application for creating and tracking multi-day challenges of any length. Stay motivated with daily check-ins, progress pictures, journal entries, and more. Start your 90-Day challenge today!

🌟 Lifestyle
(16)
17
75 Day Challenge: Soft Edition
75 Day Challenge: Soft Edition
75 Day Challenge: Soft Edition
Form Healthy Habits in 75 Days
Free

Embark on a transformative journey with an app designed to help you build better habits and resilience in just 75 days. Stay motivated, track your progress, and achieve lasting change by taking control of your personal growth. Download now to start your path towards becoming the best version of yourself.

💪 Health & Fitness
(306)
18
21 Day Challenge
21 Day Challenge
21 Day Challenge
by Phanupong Sanmee
Free
🌟 Lifestyle
(0)
19
Daily Habit & Routine Tracker
Daily Habit & Routine Tracker
Daily Habit & Routine Tracker
Goals planner. Productive days
Free

Start building healthy habits effortlessly with a habit tracker app. Set goals, track progress, and stay motivated with daily reminders and detailed statistics. Install now and transform your life with the help of this powerful tool.

📊 Productivity
(4.7K)
20
Wall Pilates: 28 Day Challenge
Wall Pilates: 28 Day Challenge
Wall Pilates: 28 Day Challenge
Workout at Home
Free

Experience personalized pilates workouts with Wall Pilates app - includes tailored plans, expert guidance, progress tracking, and benefits like improved posture and core strength. Start your journey to a stronger, healthier you today.

💪 Health & Fitness
(1.9K)

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