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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
💪 Health & Fitness
4.7😐(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

This app provides personalized 90-day fitness programs tailored to your goals, fitness level, and preferred training style. Track your progress with detailed metrics, view body changes, and stay motivated with streaks and badges. You can also challenge friends to join your fitness journey.

What We Love

  • 🚀 Smooth app experience
  • 👍 Helpful workout and nutrition features
  • 💪 Effective for building muscle and losing weight
  • 🤩 Motivating content from Browney and Captain America

Room to Improve

  • 🐛 Frequent app crashes and freezes
  • ⏱️ Slow loading times for videos and content
  • 🔍 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
💪 Health & Fitness
3.8(4 ratings)
Free
DAY100-100 Days Habit screenshot 1
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This app guides you in building lasting habits through consistent daily actions over 100 days. It features a simple interface for tracking progress and smart reminders to keep you on track. Reach your goals with a celebratory screen upon completion.

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

This app supports a 75-day self-improvement and fitness challenge. It helps users track their daily tasks, stay motivated, and connect with a community of fellow participants. Unlock advanced features with an optional subscription.

75-day challenge trackingProgress monitoringMotivation tools
💪 Health & Fitness
(8.2K)
freemium
5
Daily Habit & Routine Tracker
Daily Habit & Routine Tracker
Daily Habit & Routine Tracker
Goals planner. Productive days
Free

This app helps you build and maintain healthy habits and achieve your goals. Track your progress with streaks and calendars, set reminders, and invite friends to join you. Unlock premium features for unlimited customization and detailed statistics.

Create custom habitsTrack progress with streaksCalendar view of missed days
📊 Productivity
(4.7K)
free with in-app purchases
6
100 Day Challenge
100 Day Challenge
100 Day Challenge
by Goals Guy, LLC
Free

This app provides a system, tools, and growth hacking strategies to transform your life and career in 100 days. It offers a master class in exponential growth, focusing on performance sprints and superior execution strategies to bridge the gap between intentions and results.

System for exponential growthTools and growth hacking strategies100-day transformation program
📊 Productivity
(17)
freemium
7
100 DEDICATED - Goal Tracker
100 DEDICATED - Goal Tracker
100 DEDICATED - Goal Tracker
100 Day Challenge & Streaks
Free
$0.99 | 100% OFF

Build lasting habits with a visual 10x10 grid that tracks your progress. Capture your journey with daily photos and gain insights into your patterns to stay motivated. Celebrate milestones and achieve your goals.

10x10 visual progress gridDaily photo journalStreak tracking
💪 Health & Fitness
(0)
free with in-app purchases
8
75 Days Challenge: Better
75 Days Challenge: Better
75 Days Challenge: Better
Build Habits & Streaks
Free

This app helps you build lasting habits by tracking your progress on custom challenges. Set flexible durations, log daily progress with photos and notes, and monitor weight trends. Stay motivated with home screen widgets to maintain your streaks.

Custom challengesFlexible durationsHome Screen widgets
💪 Health & Fitness
(658)
free with in-app purchases
9
75 Day Challenge: Soft Edition
75 Day Challenge: Soft Edition
75 Day Challenge: Soft Edition
Form Healthy Habits in 75 Days
Free

This app guides users through a 75-day program to build healthy habits and develop resilience. It focuses on consistency and sustainable change for both physical and mental wellness, offering a balanced approach to self-improvement.

Build lasting healthy habitsStay motivated dailyVisualize progress
💪 Health & Fitness
(306)
freemium
10
Do It Note
Do It Note
Do It Note
Simple Goal Tracker
Free

This app helps you build and maintain good habits by setting and tracking goals over 30 or 100 days. Easily check off daily achievements with stickers and monitor your progress with a clear overview of your achievement rate and remaining days.

Set 30 or 100-day goalsDaily goal achievement trackingUse stickers for check-offs
🌟 Lifestyle
(2)
free with in-app purchases
11
100 Days of Walking Challenge
100 Days of Walking Challenge
100 Days of Walking Challenge
by Hindavi Technologies Private Limited
Free

This app encourages a daily walking habit for 100 consecutive days, requiring a minimum of one mile per day and a total of 100 miles by the end. It's designed for global participation, aiming to make walking a sustainable lifestyle choice for individuals of all ages and professions.

100-day walking challengeDaily walking habit formationMinimum 1 mile per day
💪 Health & Fitness
(5)
free
12
Productive - Habit Tracker
Productive - Habit Tracker
Productive - Habit Tracker
Daily Routine & Goals Planner
Free

Build positive habits and achieve your goals with this comprehensive planner. Track progress, engage in challenges, and gain insights to enhance your productivity and well-being.

Habit creation and managementPersonalized goal programsGuided challenges
📊 Productivity
(91K)
freemium
13
100 Jumps a Day Challenge
100 Jumps a Day Challenge
100 Jumps a Day Challenge
Jump a few minutes a day!
Free

This free app helps you build a healthy habit by encouraging daily jumping exercises. It tracks your progress, offers motivation, and provides tutorials for safe and effective jumping, whether you use a rope or not.

Free to useNo equipment requiredDaily progress tracking
💪 Health & Fitness
(4)
free
14
90 Day Challenge : Day by Day
90 Day Challenge : Day by Day
90 Day Challenge : Day by Day
Tally Habit • Days Since
Free

This app helps you create and track multi-day challenges to build discipline and form habits. You can log daily check-ins, record totals, upload progress pictures, and write journal entries for each challenge. It offers flexibility to adjust challenges and syncs data across devices.

Multi-Day Challenges of any lengthDaily check-insDaily totals tracking
🌟 Lifestyle
(16)
free with in-app purchases
15
Home Workout - No Equipments
Home Workout - No Equipments
Home Workout - No Equipments
Workout Tracker, Fitness Coach
Free

This app provides personalized fitness plans and a wide variety of bodyweight exercises for users to build muscle, lose weight, or stay fit. It requires no equipment and can be used anywhere, anytime, with features like workout tracking and video guides.

Personalized workout plans500+ varied workoutsSmart workout tracker
💪 Health & Fitness
(115K)
free with in-app purchases
16
Challenge Accepted App
Challenge Accepted App
Challenge Accepted App
Discover, track and complete
Free

This app helps you discover, track, and complete personal challenges. It offers hundreds of pre-made challenges and allows you to create your own or join friends. Set reminders and track progress for health, fitness, reading, travel, and more.

Discover pre-made challengesCreate custom challengesTrack progress for various goals
🎬 Entertainment
(3)
free
17
75 Hard: Challenge Tracker
75 Hard: Challenge Tracker
75 Hard: Challenge Tracker
Daily Habit & Workout Log
Free

This app helps you stay on track with your personal challenges, including popular programs like 75 Hard, 75 Soft, and 28-day goals. Log workouts, hydration, reading, and progress photos with a simple yet powerful habit tracker designed for accountability and momentum.

Habit tracking for 75 Hard, 75 Soft, and 28-day challengesCustom challenge creationWorkout, hydration, and reading logging
💪 Health & Fitness
(124)
free with in-app purchases
18
75 Days Challenge : Tracker
75 Days Challenge : Tracker
75 Days Challenge : Tracker
Mental Fit Challenge
Free

This app guides users through a 75-day fitness and mental resilience challenge. It offers comprehensive workout routines, progress tracking, and features to build discipline and self-confidence. It also includes options for the 75 Soft Challenge and group fitness.

Comprehensive fitness routinesProgress trackingDiscipline building
💪 Health & Fitness
(46)
free with in-app purchases
19
30 Day Fitness Workout at Home
30 Day Fitness Workout at Home
30 Day Fitness Workout at Home
Hiit Exercise Challenge App
Free

This app helps you build consistent workout habits through customizable daily challenges. Choose exercises, set duration and rep goals, and track your progress to achieve fitness goals like weight loss or muscle gain. It's designed for home workouts with no equipment needed.

Customizable exercise challengesSelect exercise type (burpees, push-ups, etc.)Choose challenge duration (3-100 days)
💪 Health & Fitness
(2.7K)
free with in-app purchases
20
75 Day Program - Tough Habits
75 Day Program - Tough Habits
75 Day Program - Tough Habits
75 Day Fitness Program
Free

This app guides users through a challenging 75-day program designed to build mental toughness and self-respect. It offers personalized daily challenges across physical, mental, and emotional aspects to foster significant personal development.

75-day personal development programPhysical, mental, and emotional challengesBuild self-respect and mental toughness
💪 Health & Fitness
(2.4K)
free with in-app purchases