Best 21 Day Fix Apps

29+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated October 2026

Looking for free 21 day fix apps? 19 of our 29+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top 21 Day Fix Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
121 Day Fix® Tracker – Official21 Day Fix® Tracker – OfficialFree4.6★ (2.5K)NoNoSep 2026
221 Day Container Tracker21 Day Container TrackerFree4.7★ (510)NoYesOct 2026
321 Day Slimple - The Easy Fix!21 Day Slimple - The Easy Fix!$1.992.0★ (1)NoNoAug 2026
421 Day Container Workout Fix21 Day Container Workout FixFree4.1★ (43)NoYesMay 2026
530 Day Ab Challenge at Home30 Day Ab Challenge at HomeFree3.2★ (6)NoYesOct 2026
6BB Links - Your Coaching LinksBB Links - Your Coaching LinksFree4.9★ (3.1K)YesYesOct 2026
7Insane 60 Day Workout TrackerInsane 60 Day Workout TrackerFree4.7★ (489)NoYesOct 2026
890 Days X Program Tracker90 Days X Program TrackerFree4.3★ (139)NoYesSep 2026

Top Picks for 21 Day Fix

4.6😐(2.5K ratings)
Free
21 Day Fix® Tracker – Official screenshot 1
21 Day Fix® Tracker – Official screenshot 2

Easily monitor your nutrition and workouts with this official tracker. Log colored containers for meals, track water intake, and access daily workout plans. Monitor progress with body measurements and maintain your results with a dedicated maintenance mode.

What We Love

  • 💻 Simple and easy to use
  • 📋 Convenient way to track containers
  • 🍽️ Helpful food lists for each container
  • 🔍 Allows you to see where you are in the program

Room to Improve

  • 🐛 App crashes or freezes frequently
  • 🔢 Unable to enter decimal values for weight/measurements
  • 💤 Lack of progress tracking across multiple rounds
  • 🌱 No option for vegetarian/vegan plans
4.7😊(510 ratings)
FreeIn-App Purchases
21 Day Container Tracker screenshot 1
21 Day Container Tracker screenshot 2
21 Day Container Tracker screenshot 3
21 Day Container Tracker screenshot 4
21 Day Container Tracker screenshot 5
21 Day Container Tracker screenshot 6

This app helps users track their progress on a 21-day program. It allows for easy logging of containers, water intake, exercises, and body measurements. Visualize your journey with progress graphs and access an approved food list.

What We Love

  • 👍 Easy to use
  • 📊 Helpful for tracking progress
  • 🔍 Comprehensive food lists
  • 🗓️ Convenient for daily tracking
  • 💪 Supports various fitness programs

Room to Improve

  • 💰 Paid subscription required
  • 🔁 Resets data after each cycle
  • 🚫 Limited customization options
  • 📋 Lacks detailed food logging
  • 🔔 Needs more notifications/reminders

More 21 Day Fix apps to explore

FAQ about 21 Day Fix

What are the best 21 day fix apps for iPhone?
21 Day Fix® Tracker – Official tops our 21 day fix apps ranking as of October 2026, with a 4.6-star average from 2.5K App Store ratings, and it's free to download.
Yes — 19 of the top 21 day fix apps we rank are free to download, including 21 Day Fix® Tracker – Official and 21 Day Container Tracker.
21 Day Fix® Tracker – Official has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 29+ 21 day fix apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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