Best 21 Day Fix Tracker Apps

250+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated September 2026

Looking for free 21 day fix tracker apps? 19 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top 21 Day Fix Tracker Apps (September 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)NoYesSep 2026
321 Day Container Workout Fix21 Day Container Workout FixFree4.1★ (43)NoYesMay 2026
4Habit TrackerHabit TrackerFree4.8★ (145K)NoYesSep 2026
521 Day Slimple - The Easy Fix!21 Day Slimple - The Easy Fix!$1.992.0★ (1)NoNoAug 2026
6Days Since: Quit Habit TrackerDays Since: Quit Habit TrackerFree4.8★ (19K)NoYesSep 2026
7Reta - Peptide TrackerReta - Peptide TrackerFreeNoNoMay 2026
8PeachDay - Period TrackerPeachDay - Period TrackerFreeNoAug 2026

Top Picks for 21 Day Fix Tracker

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 Tracker apps to explore

FAQ about 21 Day Fix Tracker

What are the best 21 day fix tracker apps for iPhone?
21 Day Fix® Tracker – Official tops our 21 day fix tracker apps ranking as of September 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 tracker 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 September 2026.
We track 250+ 21 day fix tracker apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you track your nutrition and workouts for the 21 Day Fix® program. You can log your meals using colored containers, monitor your water intake, and follow daily workout plans. It also allows you to record body measurements and transition to a maintenance plan after completing the program.
The app uses a system of colored containers to represent different food groups and portion sizes. You add the containers you consume for each meal, and the app shows you the remaining portions for each container you have left for the day. A container reference guide is also included.