Best 21 Days Challenge With Zenzo Apps

246+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated August 2026

21 Days Challenge with Zenzo is the household name in 21 days challenge with zenzo, but it's far from the only option. We track 246+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top 21 Days Challenge With Zenzo Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
121 Days Challenge with Zenzo21 Days Challenge with ZenzoFreeNoNoMay 2026
2The 21 Days ChallengeThe 21 Days ChallengeFree4.7★ (543)YesYesAug 2026
375 Challenge - Life Reset75 Challenge - Life ResetFree5.0★ (4)NoYesAug 2026
475 Days: Her Challenge75 Days: Her ChallengeFree4.8★ (90)NoYesAug 2026
575 Day Challenge: Soft Edition75 Day Challenge: Soft EditionFree4.7★ (381)NoYesAug 2026
621 Days Habit Transformation21 Days Habit TransformationFree was $5.99NoYesAug 2026
7Streak Tracker - StreakUpStreak Tracker - StreakUpFree4.7★ (169)YesYesAug 2026
8ChallengeUp: Habit TrackerChallengeUp: Habit TrackerFree5.0★ (38)NoYesAug 2026

Top Picks for 21 Days Challenge With Zenzo

The 21 Days Challenge#2

The 21 Days Challenge by Kati Pereira

Introduce life changing habits
Strong Contender
🌟 Lifestyle
4.7😊(543 ratings)
FreeAdsIn-App Purchases
The 21 Days Challenge screenshot 1
The 21 Days Challenge screenshot 2
The 21 Days Challenge screenshot 3
The 21 Days Challenge screenshot 4
The 21 Days Challenge screenshot 5
The 21 Days Challenge screenshot 6

Build lasting habits and transform your life over 21 days with guided challenges. Track your progress, journal your thoughts, and customize your avatar with earned points. Discover new routines for health, productivity, and happiness.

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

More 21 Days Challenge With Zenzo apps to explore

4
75 Days: Her Challenge
75 Days: Her Challenge
75 Days: Her Challenge
75 Day Health Challenge Her
Free

This app helps you track your progress through a 75-day challenge with customizable habits and proof photos. Choose from various challenge levels to build sustainable routines and visualize your transformation.

Customizable 75-day challengesHabit tracking with proof photosStreak visualization
💪 Health & Fitness
(90)
free with in-app purchases
5
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
(381)
freemium
6
21 Days Habit Transformation
21 Days Habit Transformation
21 Days Habit Transformation
Daily Routine & Goals Planner
Free
$5.99 | 100% OFF
💪 Health & Fitness
(0)
7
Streak Tracker - StreakUp
Streak Tracker - StreakUp
Streak Tracker - StreakUp
Habit Builder & Breaker
Free

This app helps you build positive habits and break negative ones by tracking daily streaks. Gamified elements and expert design encourage discipline and goal achievement. Track progress, earn trophies, and share your success.

Define daily goals and start datesTrack streak increases dailyBreak bad habits (substances, food, lifestyle)
📊 Productivity
(169)
freemium
8
ChallengeUp: Habit Tracker
ChallengeUp: Habit Tracker
ChallengeUp: Habit Tracker
Goals & Challenges, 7-90 Days
Free

This app helps you build new habits, improve self-care, or break bad ones with a structured, short-term challenge system. Focus on achieving goals within 7 to 60 days to experience lasting change without the pressure of lifelong commitment.

Short challenge system (7-60 days)Create custom challengesTrack progress visually
🌟 Lifestyle
(38)
free
9
21 Days
21 Days
21 Days
by iLoma Technology
Free
💪 Health & Fitness
(0)
10
75 Day Challenge
75 Day Challenge
75 Day Challenge
75 challenge
Free

This app guides users through a 75-day mental toughness challenge. It helps build consistency by tracking daily tasks and offers customization for diet and workout preferences. Users can also document their progress with photo galleries.

75-day mental toughness challengeTrack 6 daily non-negotiable tasksCustomizable diet and workout plans
💪 Health & Fitness
(0)
free with in-app purchases
11
Quit Habit Tracker: Streaks
Quit Habit Tracker: Streaks
Quit Habit Tracker: Streaks
Count sober & clean days
Free

Track your progress in quitting habits, focusing on consistency and understanding what causes slips. This app helps you build momentum without judgment, offering insights into patterns and triggers to improve over time.

Count days since last resetTrack streaks and clean daysLog slips without losing progress
💪 Health & Fitness
(0)
freemium
12
Locked In - Gain Momentum
Locked In - Gain Momentum
Locked In - Gain Momentum
One day at a time
Free

This app helps you break free from bad habits and build positive momentum by creating structured challenges with customizable rules. Track your progress daily to build streaks and achieve your goals, one small step at a time.

Create customizable habit challengesDefine mandatory and additional habitsTrack daily progress to build streaks
📊 Productivity
(17)
free
13
75 Day Challenge: Soft Tracker
75 Day Challenge: Soft Tracker
75 Day Challenge: Soft Tracker
Fitness Habit Streak Goals
Free

This app helps you build healthier habits over 75 days with a flexible approach to fitness and well-being. It tracks daily progress on workouts, diet, water intake, and reading, offering a kinder alternative to stricter challenges.

Daily task trackingProgress calendar viewCustomizable reminders
💪 Health & Fitness
(52)
freemium
14
75 Days Later
75 Days Later
75 Days Later
Track your 75 Day Challenge
Free

This app helps you stay accountable and organized during your 75 Day Challenge. It focuses on essential tracking features without unnecessary extras, making it easy to monitor your progress and stay motivated.

Track 75 Day Challenge progressSimple and fast interfaceNo-nonsense design
💪 Health & Fitness
(37)
free
15
75 Soft Challenge Tracker
75 Soft Challenge Tracker
75 Soft Challenge Tracker
75 Day Challenge, Hard & Soft
Free
$4.99 | 100% OFF

This habit tracker helps women build better routines and achieve self-improvement goals over a 75-day journey. It supports tracking daily habits, visualizing progress, and offers motivational content. Tailor your challenge to fit personal fitness, productivity, or mindfulness objectives.

Daily habit trackingProgress visualizationMotivational affirmations
💪 Health & Fitness
(7)
freemium
16
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
(541)
free with in-app purchases
17
Sober: Sobriety Tracker
Sober: Sobriety Tracker
Sober: Sobriety Tracker
Quit Drinking & Count Days
Free

This app helps users track sobriety days, build streaks, and break bad habits. It offers tools for motivation, relapse support, and community connection to aid in achieving lasting change and personal growth.

Sobriety day trackingSober streak buildingHabit breaking tools
🌟 Lifestyle
(7.7K)
free with in-app purchases
18
75 Day Tough Challenge
75 Day Tough Challenge
75 Day Tough Challenge
75 Medium, Hard & Soft Tracker
Free

This app helps you build discipline and track habits for various 75-day challenges, including 75 Soft, 75 Medium, and 75 Mom. It offers customizable habit tracking, progress visualization, and smart reminders to keep you consistent and accountable.

Track 75 Soft, Medium, or Mom challengesCustomize up to 6 daily habitsVisual streak and progress tracker
💪 Health & Fitness
(83)
free with in-app purchases
19
Days Without: Break Bad Habits
Days Without: Break Bad Habits
Days Without: Break Bad Habits
Break habits, gain freedom
Free

This app helps you break unwanted habits by tracking your progress and counting your streaks. It offers a simple, private, and free way to monitor your commitment to positive change.

Track unlimited habitsAutomatic streak countingMinimalist design
📊 Productivity
(3)
free
20
21 Days: Quit Bad Habits
21 Days: Quit Bad Habits
21 Days: Quit Bad Habits
by GIZEM CEVIK
Free
🌟 Lifestyle
(0)

FAQ about 21 Days Challenge With Zenzo

Are there free 21 days challenge with zenzo apps for iPhone?
Yes — 20 of the top 21 days challenge with zenzo apps we rank are free to download, including 21 Days Challenge with Zenzo and The 21 Days Challenge.
21 Days Challenge with Zenzo has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 246+ 21 days challenge with zenzo apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.