Comparison

21 vs 21 Days Habit Transformation

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

Head to head
About

21

Features
Read full description

The key to scoring a hot body? Committing to a plan that's easy to fit into your busy schedule and lasts exactly 21 days. The 21-day workout challenge we created celebrates all the good stuff that comes with improving your fitness including more energy, better health, and the motivation to keep coming back for more. So while this routine might get you closer to physical goals, it can also bring about invisible changes. These 21-day workout programs are designed for all fitness levels, so just choose the exercise and cardio variations that are right for you.

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 changeβ€”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 trackβ€”one habit at a time. Key Features: β€’ Habit & Streak Tracker – Record daily habits & maintain unbroken streaks β€’ Workout Log – Capture exercise types, duration, and track fitness progress β€’ Water & Hydration Tracker – Log intake with reminders to hit hydration goals β€’ Goal Planner & Routine Builder – Define daily routines, set and track SMART goals β€’ Analytics & Progress Stats – Visualize consistency, streaks, durations, and trends β€’ Motivational Tools & Reminders – Receive motivational prompts and smart notifications to stay on track β€’ Secure & Offline-Ready – Use offline; opt into cloud backup for easy recovery Who It’s For: β€’ Anyone committed to completing the 21‑Day Habit Challenge β€’ Fitness enthusiasts needing structured logging tools β€’ Habit builders aiming for discipline and consistency β€’ 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 Challengeβ€”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

Screenshots

214 screens
21 Days Habit Transformation4 screens

Verdict

The call

The clearest difference is ads: 21 Days Habit Transformation at none against 21's shown. 21's advantage is iOS requirement (12.0 vs 15.6). On price, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. 21 sells 10 one-off in-app purchases and 21 Days Habit Transformation sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences Β· 4 level
21 versus 21 Days Habit Transformation: the parameters behind the verdict, then further details
Parameter2121 Days Habit Transformation
PriceFreeFree
Update frequencyβ€”Every 4 months
AdsYesNo β€” better
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS12.0 β€” better15.6
Further details β€” not scored
Size34 MB113 MB
Age rating4+4+
DeveloperSamantha RoobolGREWON TECHNOLOGIES PRIVATE LIMITED

In-app purchases

10 purchases

21

One-time10
  • Remove ads$0.99
  • Fat Burning HIIT Cardio$1.99
  • Exercises for Beginners$1.99
Show 7 more
  • Plank Variation Exercises$1.99
  • Squat Variations$1.99
  • Lose Weight$1.99
  • Thigh Slimming$1.99
  • Lose Belly Fat$1.99
  • Sleek & Sexy Arms$1.99
  • Full Bundle$4.99
1 purchases

21 Days Habit Transformation

One-time1
  • Lifetime access$5.99

Questions

Is 21 free?
21 is free to download, with in-app purchases available.
Is 21 Days Habit Transformation free?
21 Days Habit Transformation is free to download, with in-app purchases available.
Do 21 or 21 Days Habit Transformation have ads?
21 shows ads; 21 Days Habit Transformation does not.

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