Comparison

21 Day Container Tracker vs Macro Sync

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

21 Day Container Tracker

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.

Highlights
  • Tap & Track™ container and water logging
  • Automatic container generation
  • Body Part Indicator™ measurements
  • Exercise tracking with custom options
  • Daily notes and body weight tracking
  • Progress graphs
  • Approved food list
Features
Read full description

◆◆◆◆◆ "DON'T start the 21 day program without this app!" - Kristen 21 day users choose this app over all the others and here's why: ◆ Tap & Track™ to track containers & water! ◆ Offers Automatic Container Generation! ◆ Body Part Indicator™ measurements! ◆ Track your exercises and add custom exercises ◆ Add notes for each day of the program if desired ◆ Track body weight and body measurements ◆ See a list of approved foods for the 21 day program ◆ Flexible weight and exercise tracking! ◆ See a graph of your progress throughout the 21 days ◆ Easily edit, fix, and update your information for the app ◆ Created by 21 day users for 21 day users! ◆ Boost results by 200% and get your body beach ready! Join countless thousands of others and download this app to track your 21 day program so you can focus on succeeding and getting MAX RESULTS! ◆◆◆◆◆ - "Just tap a container color! No more tracking on paper! Love it!" - Kendra ◆◆◆◆◆ - "I can't imagine what else I would need in an app! " - Sarah ◆◆◆◆◆ - "Love this product! Definitely worth the buck!" - Foxxy1424612 ◆◆◆◆◆ - "So glad I found this app to guide me on my 21 day program!" - Emmi1212 P.S. Don't forget!! If you like the app, please rate it or write a review! If you have a problem contact us so that we have a chance to help you and fix any issues. Annual Subscription: - You can subscribe for weight/measurement tracking, approved food list, and unlimited access to all features of the app with no ads. - The subscriptions price is $29.99 USD yearly or equal to the same price tier that "Apple's App Store Matrix" determines in other currencies. - You may cancel a subscription or free-trial anytime via the subscription setting through your iTunes account. This must be done 24 hours before the end of the free-trial or subscription period to avoid being charged. - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. No cancellation of the current subscription is allowed during active subscription period. Any unused portion of a free-trial period, will be forfeited when the user purchases a 21 Day Tracker Annual subscription Terms of use: http://cubesol.com/terms.html Privacy policy: http://cubesol.com/privacy.html

About

Macro Sync

This app simplifies health and fitness by making nutrition tracking easy. Log meals, organize recipes, and monitor calories and macronutrients with proven recommendations. It offers a user-friendly interface with powerful tools for personalized diet management.

Highlights
  • Macro tracking
  • Micro tracking
  • Custom goals
  • Barcode scanner
  • Recipe creator
  • Verified food database
  • Community support
Features
Read full description

Macros Sync simplifies your health and fitness goals without sacrificing the foods you love in a simple, easy way. Macro Sync is your free, user-friendly food-tracking app that centralizes everything you need. Quickly log meals, organize recipes, and see your calories in one place. Designed to streamline your nutrition journey, Macro Sync makes managing your diet effortless and effective. Achieve your goals and enjoy a healthier, happier you with Macro Sync. PROVEN RECOMMENDATIONS Macros Sync creates estimated calorie and macronutrient targets that help you reach your health and fitness goals. Our estimating equations have been used and tested in more than 4 million people and helped hundreds of thousands of individuals reach their goals. We know that your goals change so we have made Macro Sync to fit your changing life. You can change your goals and our technology immediately updates to provide you an updated plan any time, anywhere. SIMPLE, EFFECTIVE TRACKING TOOLS We designed Macro Sync from the ground up based on feedback from hundreds of thousands of individual people. Macro Sync has taken all of the powerful tools you want as a user (custom food entry, searchable database, recipe builder, barcode scanner, etc.) and made them incredibly simple and easy to use. Our tracker takes all of the premium/paid features of other trackers and provides them to you at no cost, including: Macro Tracking Micro Tracking Custom Goals Personalized Food Database Barcode Scanner Recipe Creator Custom meals Ad Free Experience Net Carbs Mode Community Support REAL FOOD DATA We’ve spent decades working with people on tracking food and we know what foods people actually eat. This is the foundation with which we built our food database, which undergoes constant updating. We know that the landscape of food tracking can be daunting, especially when you don’t know what data to trust. This is why we have included verified foods in our database that you can quickly and visibly confirm are verified. Our food database includes: Calories Macronutrients Micronutrients Toggleable net fiber Auto Calorie Calculators Confirmed Serving Sizes Popular Food Brands Barcodes COMMUNITY SUPPORT Macro Sync not only allows you to track your food but also welcomes you to join an already established community of over 500,000 people cultivated by Macros Inc, the developers of Macro Sync. In this free community you will have access to professional coaches who answer questions, provide feedback, and provide immense amounts of free education.

Screenshots

21 Day Container Tracker4 screens
Macro Sync4 screens

Verdict

The call

The clearest difference is in-app purchases: Macro Sync at none against 21 Day Container Tracker's 3. Macro Sync also leads on update cadence (every 4 days vs every 3 weeks). 21 Day Container Tracker's advantage is review sentiment (74% vs 58%) and rating (4.7 vs 4.5). On price, ratings volume, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 21 Day Container Tracker sells 3 in-app purchases, starting at $4.99 per 7 days. Macro Sync asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

21 Day Container Tracker holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 510 and 602 respectively. Written reviews point the same way: 74% of 21 Day Container Tracker's written reviews are positive against 58% of Macro Sync's.

UpkeepUpdate frequency

21 Day Container Tracker ships an update every 3 weeks, Macro Sync every 4 days. The most recent releases landed on October 2, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
21 Day Container Tracker versus Macro Sync: the parameters behind the verdict, then further details
Parameter21 Day Container TrackerMacro Sync
PriceFreeFree
Rating4.7 (510 ratings) — better4.5 (602 ratings)
Positive reviews74.3% of reviews — better58.0% of reviews
Number of ratings510602 — better
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better16
Further details — not scored
Size45 MB124 MB
Age rating4+12+
DeveloperCube Software Solutions Inc.Macros Inc

Customer experience

21 Day Container Tracker

All ratings510 ratings
Positive93.7%
Neutral1.8%
Negative4.5%
Written reviews74 reviews
Positive74.3%
Neutral8.1%
Negative17.6%

Macro Sync

All ratings602 ratings
Positive88.0%
Neutral6.0%
Negative6.0%
Written reviews88 reviews
Positive58.0%
Neutral15.9%
Negative26.1%

User reviews

21 Day Container Tracker

From 510 App Store ratings

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

Macro Sync

From 602 App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Accurate tracking
  • 💡 Customizable macros
  • 🚀 Efficient barcode scanning
  • 👍 Helpful recipe builder

Room to improve

  • 🐛 Crashes and sync issues
  • 🔍 Limited food database
  • 🤔 Confusing UI and navigation
  • 🔍 Inaccurate food entries
  • 🤔 Inability to edit custom entries

Bugs and requests

21 Day Container Tracker

Reported bugs

3 issues
  • Data loss when switching between cycles
  • Compatibility issues with older devices
  • Inconsistent container tracking behavior

Requested features

5 requests
  • Ability to manually enter food items
  • Long-term data tracking and analytics
  • Integration with other fitness apps
  • Customizable container settings
  • Meal planning and recipe suggestions

Macro Sync

Reported bugs

3 issues
  • Crashes when adding new foods
  • Inability to access previous day's entries
  • Inconsistent nutrition data measurements

Requested features

5 requests
  • Ability to edit custom food entries
  • More advanced nutrition tracking options
  • Personalized daily macro goals
  • Improved barcode scanning reliability
  • Expanded food database

In-app purchases

3 purchases

21 Day Container Tracker

Subscriptions3
  • 21 Day Tracker Weekly3 Days trial$4.997 Days
  • 21 Day Container Tracker Pro3 Days trial$29.991 Year
  • 21 Day Tracker Annual Pro$29.991 Year
None

Macro Sync

No in-app purchases

Questions

Is 21 Day Container Tracker free?
21 Day Container Tracker is free to download, with in-app purchases available.
Is Macro Sync free?
Macro Sync is free to download, with no in-app purchases.
Which has better reviews, 21 Day Container Tracker or Macro Sync?
21 Day Container Tracker is rated higher. 21 Day Container Tracker averages 4.7 out of 5 from 510 ratings, while Macro Sync averages 4.5 from 602 ratings.
Do 21 Day Container Tracker or Macro Sync have ads?
Neither 21 Day Container Tracker nor Macro Sync shows ads.
Which is updated more often, 21 Day Container Tracker or Macro Sync?
21 Day Container Tracker ships an update every 3 weeks, and Macro Sync every 4 days. Most recently, 21 Day Container Tracker was updated on October 2, 2026 and Macro Sync on October 12, 2026.

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