Comparison

90 Day Challenge vs Sim Coaching

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

Head to head
About

90 Day Challenge

This app offers personalized 90-day fitness programs tailored to your goals and experience level. Track your progress with detailed metrics, visual progress photos, and motivational tools like streaks and badges. You can also challenge friends to join your fitness journey.

Highlights
  • Personalized 90-day workout programs
  • In-app progress tracking (weight, reps, PRs)
  • Monthly strength tests and weekly challenges
  • Progress picture tool and 'Before and After' creation
  • Daily streaks and achievement badges for motivation
  • Challenge others to join your program
  • Diet calculator
Features
Read full description

The 90 Day Challenge App is the perfect workout tool in your pocket and provides you with everything you need to start your own fitness journey. Get your own 90 day programs based on your goals, level, and training style. Stan Browney has done many 90-day transformations with family, friends, and strangers. After seeing their results, so many people requested to help them with their fitness journey. Because it would be impossible to guide everybody personally, we designed this app. Now, you will be able to have your own 90 Day Transformation! Start your 7-Day Free Trial now. OVER 45 TAILORED 90-DAY PROGRAMS Check out the 90 Day Challenge App and pick from over 45 awesome workout programs made just for you! Whether you like to exercise at home, hit the gym, or get moving outside, there’s something for everyone. You can choose to lift weights, use machines, do bodyweight exercises, or mix it up. Set your own goals to build muscle, get stronger, shed pounds, or bulk up. It’s super easy and fun, great for both beginners and experienced people. TRACK YOUR PROGRESS The 90 Day Challenge App has a complete in-app tracking system that allows you to track your weight, reps, personal records, everything! You can easily see your progress for every exercise to know you’re on track to reach your goals. For every 90 day program, you will have monthly strength tests to see the progress you make each month. Additionally, there are fun weekly challenges to keep you active but also help you to see yourself get stronger over time! SEE YOUR BODY CHANGING Within the 90 Day Challenge App, you can take progress pictures with the in-app progress picture tool. You can also create your own “Before and After” that you can share with others. Besides visual changes, you will be able to track your weight, and see your weight changing over time. ALWAYS STAY MOTIVATED Keep your fitness journey fun and rewarding with our daily streaks and achievement badges! Each day you log a workout, you’ll keep your streak going—making it exciting to see how long you can keep it up. With these streaks and badges, you’ll always have a reason to stay motivated and never feel like giving up. As you move along, you'll unlock cool badges for different milestones and challenges. These badges are more than just fun—they celebrate the progress you’re making towards your health and fitness goals. Whether it’s finishing a 90-day challenge, hitting a new personal best, or maintaining a routine of working out three times a week, each badge highlights your enjoyment and commitment in a super fun and easy way. CHALLENGE OTHERS Working out can even be more fun when you do it together with a friend. That is why the 90 Day Challenge App has a built-in feature where you can challenge others to join the exact program that you have. This way you can workout together and keep each other accountable to keep hitting your workouts! CALCULATOR The 90 Day Challenge also has you covered when it comes to diet! With the in-app calorie calculator you can calculate your calorie needs for losing weight, maintaining weight, or gaining weight. You can also determine your macronutrient split and form your own diet goals. RECIPES Within the app, there is an entire library of recipes that are both healthy and delicious that will help you to build muscle and lose fat! These recipes are explained in great detail including the ingredient list and the cooking instructions. LEARN EVERYTHING ABOUT FOOD AND FITNESS You will get access to a library filled with high quality videos explaining everything about working out, recovery, losing or gaining weight, tracking calories, and more! DOWNLOAD NOW FOR A 7-DAY FREE TRIAL Start your own fitness journey with the 90 Day Challenge App. Download now and get your first 7 days for free. Start your 90 Day Challenge today! By creating an account you agree to the Terms of Service which can be found here: https://the90dc.com/terms-of-service

About

Sim Coaching

Features
Read full description

1 on 1 Coaching Individualised Training Programs Nutrition Tracking In app progress tracking and insights *App access requires a paid coaching plan. Terms Of Use: https://kahunas.io/terms-conditions Privacy Policy: https://kahunas.io/privacy Medical Disclaimer: This app does not provide medical advice, diagnoses, or treatment. The information and guidance provided within the app are for general fitness and wellbeing purposes only. Always seek the advice of your physician or other qualified healthcare provider before starting any exercise program, changing your nutrition, or making decisions regarding your health.

Screenshots

90 Day Challenge4 screens
Sim Coaching3 screens

Verdict

The call

The clearest difference is ads: Sim Coaching at none against 90 Day Challenge's shown. 90 Day Challenge's advantage is update cadence (every 5 days vs every 5 weeks). On price, in-app purchases, device support and iOS requirement 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. 90 Day Challenge sells 10 in-app purchases, starting at $2.99 per 7 days and Sim Coaching sells 1 in-app purchase, starting at $299.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

90 Day Challenge ships an update every 5 days, Sim Coaching every 5 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
90 Day Challenge versus Sim Coaching: the parameters behind the verdict, then further details
Parameter90 Day ChallengeSim Coaching
PriceFreeFree
Rating4.7 (5K ratings) — better—
Positive reviews64.4% of reviews—
Number of ratings5K — better—
Update frequencyEvery 5 days — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size240 MB56 MB
Age rating4+17+
DeveloperBrowney B.V.Josh Sim

Bugs and requests

90 Day Challenge

Reported bugs

4 issues
  • Black screen issue after login
  • Inability to complete workouts or log progress
  • Inconsistent app performance across devices
  • Syncing issues between app and user accounts

Requested features

4 requests
  • More home workout options without equipment
  • Ability to adjust workout schedules and rest days
  • Improved video quality and playback stability
  • Better integration with fitness trackers and smartwatches

Sim Coaching

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

90 Day Challenge

Subscriptions10
  • WEEKLY7 Days trial$2.997 Days
  • Weekly1 Month trial$5.007 Days
  • WEEKLY7 Days trial$8.997 Days
Show 7 more
  • Monthly1 Month trial$15.001 Month
  • Monthly$15.001 Month
  • MONTHLY7 Days trial$21.991 Month
  • YEARLY$39.001 Year
  • 90 DAYS7 Days trial$49.003 Months
  • YEARLY7 Days trial$99.001 Year
  • Yearly$119.001 Year
1 purchases

Sim Coaching

Subscriptions1
  • Monthly Coaching$299.991 Month

Questions

Is 90 Day Challenge free?
90 Day Challenge is free to download, with in-app purchases available.
Is Sim Coaching free?
Sim Coaching is free to download, with in-app purchases available.
Do 90 Day Challenge or Sim Coaching have ads?
90 Day Challenge shows ads; Sim Coaching does not.
Which is updated more often, 90 Day Challenge or Sim Coaching?
90 Day Challenge ships an update every 5 days, and Sim Coaching every 5 weeks. Most recently, 90 Day Challenge was updated on November 4, 2026 and Sim Coaching on October 31, 2026.

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