Comparison

21 Days Habit Transformation vs Commit

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

Head to head
About

21 Days Habit Transformation

Features
Read full description

Transform Your Life with the 21 Day Habit & Goal Challenge! Are you ready to build powerful habits, stay consistent, and crush your goals? This app is your ultimate tool to create long-lasting change—starting with just 21 days! The 21 Day Habit & Goal Challenge helps you build routines, boost motivation, and reach your goals with ease. Whether you're working on fitness goals, mental health, self-discipline, or daily productivity, our app empowers you to stay on track—one habit at a time. Key Features: • Habit & Streak Tracker – Record daily habits & maintain unbroken streaks • Workout Log – Capture exercise types, duration, and track fitness progress • Water & Hydration Tracker – Log intake with reminders to hit hydration goals • Goal Planner & Routine Builder – Define daily routines, set and track SMART goals • Analytics & Progress Stats – Visualize consistency, streaks, durations, and trends • Motivational Tools & Reminders – Receive motivational prompts and smart notifications to stay on track • Secure & Offline-Ready – Use offline; opt into cloud backup for easy recovery Who It’s For: • Anyone committed to completing the 21‑Day Habit Challenge • Fitness enthusiasts needing structured logging tools • Habit builders aiming for discipline and consistency • Goal-driven individuals seeking analytics, motivation, and routine management Science shows it takes 21 - 30 days to lock in new behaviors. This challenge pushes your limits in fitness, routine, and mindset, giving you the structure and accountability to grow. Download now and start your transformation with the 21 Day Habit & Goal Challenge—your all-in-one app to track fitness, habits, water intake, and daily routines. Privacy Policy: https://sites.google.com/view/75-hard-challenges/privacy-policy Terms & Conditions: https://sites.google.com/view/75-hard-challenges/terms-conditions

About

Commit

Features
Read full description

Looking for an easy way to kickstart your fitness routine? With Commit, you can set small, achievable daily exercise goals and stay motivated like never before. The twist? You put money on the line. If you miss a day, you lose a credit—keeping you accountable and committed to your goals. It’s simple: pick one habit, track your progress, and stay on track by completing your daily challenge. Whether it’s 10 push-ups or 30 seconds of planking, Commit helps you build consistency with a fun and effective approach. Ready to commit and crush your fitness goals? Download now!

Screenshots

21 Days Habit Transformation4 screens
Commit4 screens

Verdict

The call

The clearest difference is update cadence: Commit at daily against 21 Days Habit Transformation's every 4 months. 21 Days Habit Transformation's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases 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 Days Habit Transformation sells 1 one-off in-app purchase and Commit sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

21 Days Habit Transformation ships an update every 4 months, Commit daily. The most recent releases landed on September 22, 2026 and December 26, 2025 respectively.

Scorecard2 real differences · 4 level
21 Days Habit Transformation versus Commit: the parameters behind the verdict, then further details
Parameter21 Days Habit TransformationCommit
PriceFreeFree
Update frequencyEvery 4 monthsDaily — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size113 MB8 MB
Age rating4+4+
DeveloperGREWON TECHNOLOGIES PRIVATE LIMITEDNiels Hoogendoorn

In-app purchases

1 purchases

21 Days Habit Transformation

One-time1
  • Lifetime access$5.99
3 purchases

Commit

One-time3
  • Keep it simple and accountable$1.99
  • Step up your commitment$7.99
  • Biggest Commitment - Go all-in$12.99

Questions

Is 21 Days Habit Transformation free?
21 Days Habit Transformation is free to download, with in-app purchases available.
Is Commit free?
Commit is free to download, with in-app purchases available.
Do 21 Days Habit Transformation or Commit have ads?
Neither 21 Days Habit Transformation nor Commit shows ads.
Which is updated more often, 21 Days Habit Transformation or Commit?
21 Days Habit Transformation ships an update every 4 months, and Commit daily. Most recently, 21 Days Habit Transformation was updated on September 22, 2026 and Commit on December 26, 2025.

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