Best 100 Days Of Challenge Apps & Games

204+ iOS apps & games curated and reviewed

4.6 avg rating
20 free apps & games
Updated June 2026

If you already know 100 Days of Challenge, this is the deeper bench. 204+ 100 days of challenge apps and games for iPhone, all reviewed and ranked by user rating, recency, and download trend as of June 2026.

Top Picks for 100 Days Of Challenge

75 Days Challenge Tough & Soft#2

75 Days Challenge Tough & Soft by BeHard, Inc.

75 soft medium fitness tracker
Strong Contender
💪 Health & Fitness
4.8😊(8.2K ratings)
FreeAdsIn-App Purchases
75 Days Challenge Tough & Soft screenshot 1
75 Days Challenge Tough & Soft screenshot 2
75 Days Challenge Tough & Soft screenshot 3
75 Days Challenge Tough & Soft screenshot 4
75 Days Challenge Tough & Soft screenshot 5
75 Days Challenge Tough & Soft screenshot 6

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.

What We Love

  • 🚀 Easy to use
  • 👍 Clean and intuitive design
  • 🤝 Helpful for staying accountable
  • 💪 Effective for tracking progress

Room to Improve

  • 🐛 Sync issues between app and widget
  • ⚠️ Inconsistent day tracking
  • 🔧 Limited customization options
75 Day Challenge: Soft Edition#3

75 Day Challenge: Soft Edition by Inkolab

Form Healthy Habits in 75 Days
Worth Considering
💪 Health & Fitness
4.7😊(306 ratings)
FreeIn-App Purchases
75 Day Challenge: Soft Edition screenshot 1
75 Day Challenge: Soft Edition screenshot 2
75 Day Challenge: Soft Edition screenshot 3
75 Day Challenge: Soft Edition screenshot 4
75 Day Challenge: Soft Edition screenshot 5
75 Day Challenge: Soft Edition screenshot 6

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.

What We Love

  • 👍 Easy to use
  • 🚀 Simple and straightforward
  • 💡 Helpful for 75 Soft challenge
  • 🤩 Motivating and keeps you on track

Room to Improve

  • 🔍 Limited customization options
  • 🚫 Premium version doesn't offer much value
  • 🐛 Occasional app crashes

More 100 Days Of Challenge apps to explore

4
Days Since: Quit Habit Tracker
Days Since: Quit Habit Tracker
Days Since: Quit Habit Tracker
Sober Time Clean Day Counter
Free

Break free from bad habits with this tracker. Create custom counters for any vice, like smoking, and visualize your progress. Stay motivated by seeing how long you've gone without giving in, helping you achieve your goals.

Custom habit countersTrack progress visuallyMotivation through tracking
💪 Health & Fitness
(18K)
free with in-app purchases
5
Plank - 30 Days of Challenge
Plank - 30 Days of Challenge
Plank - 30 Days of Challenge
Fast Workouts, No Equipment
Free

This app offers a 30-day challenge focused on improving core strength and overall fitness through effective plank exercises. It provides instructional videos, workout tracking, and reminders to help users achieve their fitness goals without needing any equipment.

30-day plank challengeNo equipment requiredInstructional videos
💪 Health & Fitness
(442)
subscription
6
Six Pack in 30 Days - 6 Pack
Six Pack in 30 Days - 6 Pack
Six Pack in 30 Days - 6 Pack
Core, Abs & Home Workout
Free

Achieve toned abs and lose belly fat with a home workout planner. Offers daily routines for all levels, requiring no equipment. Get your dream six-pack in 30 days with guided exercises.

30-day workout routinesBeginner to advanced levelsNo equipment needed
💪 Health & Fitness
(37K)
subscription
7
Her 75
Her 75
Her 75
75 day challenge with friends
Free

Embark on a 75-day personal transformation journey with friends. Track daily tasks, water intake, and progress in real-time. Choose from pre-set challenges or create your own custom goals.

75-day challenge trackingFriend progress visibilityCustomizable to-do lists
💪 Health & Fitness
(3.1K)
subscription
8
75 Tough & Soft Challenge
75 Tough & Soft Challenge
75 Tough & Soft Challenge
75 Days Mental Challenge
Free

This app provides tools to build physical and mental toughness over 75 days. Track water intake, training, weight, and progress photos. Connect with a supportive community on a similar journey.

Water intake trackingTraining progress trackingWeight progress tracking
💪 Health & Fitness
(3.7K)
subscription
9
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
10
75 Hard
75 Hard
75 Hard
The Official App of 75Hard
Free
$6.99 | 100% OFF

This program helps you build mental toughness and achieve your goals over 75 days. It focuses on developing discipline, grit, and self-belief to overcome challenges and win the war within yourself. Track progress, set reminders, and save notes to support your journey.

Track daily progressSet custom remindersTake and review progress pics
💪 Health & Fitness
(6.3K)
subscription
11
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
12
90 Day Challenge
90 Day Challenge
90 Day Challenge
by Browney B.V.
Free

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.

Personalized 90-day workout programsIn-app progress tracking (weight, reps, PRs)Monthly strength tests
💪 Health & Fitness
(4.5K)
free with in-app purchases
13
75 Day Challenge - Hard & Soft
75 Day Challenge - Hard & Soft
75 Day Challenge - Hard & Soft
Daily strength training plan
Free

This app guides users through a challenging personal development program focused on building mental resilience and discipline. It offers customizable challenge modes and a supportive community to help users achieve significant life changes and real results.

Customizable challenge modes (Hard, Medium, Soft)Daily to-do list and remindersMotivational content
🌟 Lifestyle
(537)
free with in-app purchases
14
Vocab - Word of the Day
Vocab - Word of the Day
Vocab - Word of the Day
Learn words - SAT, GRE, GMAT
Free

Expand your vocabulary daily with personalized word recommendations. Learn challenging words tailored to your level and interests, supported by Oxford Languages. Improve communication skills for exams, professional settings, or personal growth.

Daily word recommendationsPersonalized learning tailored to level and interestsSupport from Oxford Languages
🔍 Reference
(343)
free with in-app purchases
15
Fitify: Home Workout, AI Coach
Fitify: Home Workout, AI Coach
Fitify: Home Workout, AI Coach
Bodyweight exercises & Fitness
Free

Achieve your fitness goals at home with personalized workout plans and over 900 exercises. Track your progress with a body fat scanner and enjoy routines that require no equipment or utilize various fitness tools. Work out anytime, anywhere with voice coaching and HD video demonstrations.

Personalized fitness plansOver 900 exercises (bodyweight & tools)Body fat and muscle mass tracking
💪 Health & Fitness
(11K)
freemium
16
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
17
Puzzles & Survival
Puzzles & Survival
Puzzles & Survival
Transformers Collab Finale
Free

Lead survivors in a post-apocalyptic world overrun by zombies. Combine match-3 puzzle mechanics with strategic base building and hero recruitment to defend your sanctuary and humanity's future.

Match-3 puzzle combatZombie apocalypse survivalBase building and sanctuary development
🎮 Games
(58K)
free with in-app purchases
18
Dawn of Zombies: Survival Game
Dawn of Zombies: Survival Game
Dawn of Zombies: Survival Game
Craft & survive in open world!
Free

Survive a post-nuclear apocalypse in a harsh open world. Battle zombies, cultists, and environmental hazards while crafting gear, building bases, and completing quests. Team up with friends in multiplayer to face the ultimate survival challenge.

Open-world survival craftingBattle zombies, cultists, and banditsBuild and upgrade bases
🎮 Games
(17K)
free with in-app purchases
19
Plank Workout Challenge
Plank Workout Challenge
Plank Workout Challenge
Plank challenge, 30 day plank
Free

This app offers a 30-day challenge with various plank exercises to strengthen your core, tone your abs, and improve posture. It caters to beginners and advanced users with adjustable holding times and exercise variations for effective home workouts.

30-day plank exercise programStatic and dynamic plank variationsCore and abs toning
💪 Health & Fitness
(129)
free with in-app purchases
20
75 Days Challenge - Reset75
75 Days Challenge - Reset75
75 Days Challenge - Reset75
Her & His Tough, Soft, Medium
Free

This app helps you complete self-improvement challenges with customizable tasks, progress tracking, and motivational tools. Log daily activities, capture progress photos, and generate timelapse videos. All your data is stored securely on your device.

Customizable challenge templatesDaily task logging with multiple input typesProgress photo capture and timelapse video generation
💪 Health & Fitness
(46)
free with in-app purchases