Best 100 Day Challenge Apps

196+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Whether you're new to 100 day challenge or looking for an upgrade, our curated collection of 196+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for 100 Day Challenge

90 Day Challenge#2

90 Day Challenge by Browney B.V.

Strong Contender
๐Ÿ’ช Health & Fitness
4.7๐Ÿ˜(4.5K ratings)
FreeAdsIn-App Purchases
90 Day Challenge screenshot 1
90 Day Challenge screenshot 2
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90 Day Challenge screenshot 6

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!

What We Love

  • ๐Ÿš€ Smooth app experience
  • ๐Ÿ‘ Helpful workout and nutrition features
  • ๐Ÿ’ช Effective for building muscle and losing weight
  • ๐Ÿคฉ Motivating content from Browney and Captain America

Room to Improve

  • ๐Ÿ› Frequent app crashes and freezes
  • โฑ๏ธ Slow loading times for videos and content
  • ๐Ÿ” Difficulty navigating the app and finding features
DAY100-100 Days Habit#3

DAY100-100 Days Habit by UMI EBISUJIMA

Take on the 100-day challenge!
Worth Considering
๐Ÿ’ช Health & Fitness
3.7(3 ratings)
Free
DAY100-100 Days Habit screenshot 1
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DAY100-100 Days Habit screenshot 3
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DAY100-100 Days Habit screenshot 6

This app helps you form lasting habits by doing small, consistent actions every day for 100 days, with a simple and intuitive design to track your progress. Start building better habits today with just one small step and take on the 100-day challenge to achieve your goals.

More 100 Day Challenge apps to explore

4
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.

๐Ÿ’ช Health & Fitness
(7.6K)
5
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.

๐Ÿ“Š Productivity
(4.7K)
6
100 Day Challenge
100 Day Challenge
100 Day Challenge
by Goals Guy, LLC
Free

Transform your life and career in just 100 days with a proven system, tools, and growth hacking strategies that help you achieve exponential growth and get results. Join a master class that provides direct access to powerful ideas, tactics, and accountability to help you set and achieve your goals.

๐Ÿ“Š Productivity
(17)
7
100 DEDICATED - Goal Tracker
100 DEDICATED - Goal Tracker
100 DEDICATED - Goal Tracker
100 Day Challenge & Streaks
Free
$0.99 | 100% OFF

Track and achieve one goal over 100 days with a minimalist, distraction-free app. Set daily goals, mark your progress on a 10x10 grid, and stay focused on building lasting habits. Download now to start your 100-day journey!

๐Ÿ’ช Health & Fitness
(0)
8
75 Days Challenge: Better
75 Days Challenge: Better
75 Days Challenge: Better
Build Habits & Streaks
Free

Embark on a transformative 75-day mental and physical challenge to build resilience and discipline. Track your progress, follow strict daily tasks, and push your limits. Ready to conquer your mind? Download now to start your journey.

๐Ÿ’ช Health & Fitness
(629)
9
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.

๐Ÿ’ช Health & Fitness
(306)
10
Do It Note
Do It Note
Do It Note
Simple Goal Tracker
Free

This simple goal management app helps you build and maintain good habits by setting and tracking goals over a set period, using stickers to mark daily achievements. With features like customizable goal periods, stickers, and notifications, you can stay on track and view your progress at a glance.

๐ŸŒŸ Lifestyle
(2)
11
100 Days of Walking Challenge
100 Days of Walking Challenge
100 Days of Walking Challenge
by Hindavi Technologies Private Limited
Free

Join a global health and fitness movement that encourages walking as a daily habit, where participants aim to walk 1 mile at a stretch for 100 days, completing a total of 100 miles. Sign up now and take the first step towards a healthier lifestyle, open to anyone aged 12 and above.

๐Ÿ’ช Health & Fitness
(5)
12
Productive - Habit Tracker
Productive - Habit Tracker
Productive - Habit Tracker
Daily Routine & Goals Planner
Free

Get on track with your daily routine using this app that helps you track and form good habits, set goals, and stay organized. Start your journey to a more productive life today!

๐Ÿ“Š Productivity
(91K)
13
100 Jumps a Day Challenge
100 Jumps a Day Challenge
100 Jumps a Day Challenge
Jump a few minutes a day!
Free

This fitness challenge helps you build a healthy habit of jumping a few minutes a day, with no equipment needed, to boost your fitness and feel amazing. Download now to track your progress, stay motivated, and start enjoying the benefits of daily movement!

๐Ÿ’ช Health & Fitness
(4)
14
90 Day Challenge : Day by Day
90 Day Challenge : Day by Day
90 Day Challenge : Day by Day
Tally Habit โ€ข 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!

๐ŸŒŸ Lifestyle
(16)
15
Home Workout - No Equipments
Home Workout - No Equipments
Home Workout - No Equipments
Workout Tracker, Fitness Coach
Free

Get fit without the need for equipment with this Home Workout app. Access a variety of bodyweight exercises to help you stay in shape and reach your fitness goals. Download now and start your journey to a healthier you!

๐Ÿ’ช Health & Fitness
(113K)
16
Challenge Accepted App
Challenge Accepted App
Challenge Accepted App
Discover, track and complete
Free

Discover, track, and complete personal challenges with this motivational app, which offers hundreds of activities and allows users to create their own. From health and fitness to travel and creative pursuits, this app helps users stay motivated and on track with customizable reminders and social features.

๐ŸŽฌ Entertainment
(3)
17
75 Hard: Challenge Tracker
75 Hard: Challenge Tracker
75 Hard: Challenge Tracker
Daily Habit & Workout Log
Free

This application helps you build habits and stay consistent by tracking your daily tasks and goals, offering flexible habit tracking options for various challenges. It provides a simple and powerful tool to stay accountable, with features such as daily reminders, progress photos, and clear visuals to help you achieve your goals.

๐Ÿ’ช Health & Fitness
(118)
18
75 Days Challenge : Tracker
75 Days Challenge : Tracker
75 Days Challenge : Tracker
Mental Fit Challenge
Free

Embark on a transformative 75-day fitness and mental challenge with this app that pushes you to crush limits, maintain discipline, and track progress. Ready to redefine your boundaries and elevate your fitness journey? Subscribe now for a lifetime of empowerment.

๐Ÿ’ช Health & Fitness
(46)
19
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!

๐Ÿ’ช Health & Fitness
(2.7K)
20
75 Day Program - Tough Habits
75 Day Program - Tough Habits
75 Day Program - Tough Habits
75 Day Fitness Program
Free

Embark on a transformative 75-day fitness journey with personalized goal setting for physical, mental, and emotional growth. Challenge yourself to develop resilient habits for just $1.99 with an ad-free experience. Start your transformation today!

๐Ÿ’ช Health & Fitness
(2.4K)