Best 21 Day Fix Tracker Apps

250+ iOS apps curated and reviewed

3.5 avg rating
18 free apps
Updated October 2026

Looking for free 21 day fix tracker apps? 18 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 (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 Container Workout Fix21 Day Container Workout FixFree4.1★ (43)NoYesMay 2026
421 Days: Quit Bad Habits21 Days: Quit Bad HabitsFree—NoNoMay 2026
521 Day Slimple - The Easy Fix!21 Day Slimple - The Easy Fix!$1.992.0★ (1)NoNoAug 2026
6Dian Dian - Year TrackerDian Dian - Year TrackerFree—YesYesJul 2026
7Peplii: Peptide & Dose TrackerPeplii: Peptide & Dose TrackerFree—NoYesSep 2026
8Peptide Tracker ProPeptide Tracker ProFree—NoNoJun 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 October 2026, with a 4.6-star average from 2.5K App Store ratings, and it's free to download.
Yes — 18 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 October 2026.
We track 250+ 21 day fix tracker apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.