Comparison

90 Day Challenge vs GoTall

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 provides personalized 90-day fitness programs tailored to your goals, fitness level, and preferred training style. Track your progress with detailed metrics, view body changes, and stay motivated with 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
  • Progress picture tool
  • Daily streaks and achievement badges
  • Challenge others feature
  • 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

GoTall

This app predicts your maximum potential height using scientific data and personal factors like genetics, sleep, and activity. It provides a personalized growth plan with exercises, nutrition analysis, and lifestyle tracking to support your development. Premium features offer advanced tools and customized plans.

Highlights
  • Scientific height prediction
  • Personalized growth plan
  • Daily exercises
  • Nutrition analysis
  • Lifestyle tracking
  • Puberty stage analysis
Features
Read full description

GoTall is the most accurate height predictor. Here's why it works: 1. We use real science. GoTall uses data from the CDC, a group of top doctors and scientists who study how kids grow. 2. To guess your true potential, we ask about: Your parents' and relatives' height (because your genes matter) Your sleep, food, and activity (because habits affect growth) Your stage of puberty (because timing matters) We look at the full picture. Instead of guessing from just your age, we look at everything together. That’s why our results are more accurate than just using a growth chart. Stick to the growth plan, and we’ll keep guiding you every step of the way. GoTall gives you a custom growth plan that includes: Daily exercises proven to support posture, bone strength, and natural growth hormone activity Nutrition analysis that checks if your diet supports optimal growth Lifestyle tracking so you can improve sleep, habits, and recovery We also offer premium features with subscriptions or purchases, such as a custom plan designed to support natural HGH production and optimal growth, or monthly updates that adjust your plan based on your habits and progress, so you can stay on track. Disclaimer: GoTall doesn’t offer medical advice. Our recommendations are based on widely known practices related to height growth. Always speak to a healthcare provider for individualized guidance. Some features, including full analysis and advanced tools, require a premium subscription or purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

90 Day Challenge4 screens
GoTall4 screens

Verdict

The call

90 Day Challenge and GoTall both sit at 4.7 stars, but that hides the real split: 64% of 90 Day Challenge's written reviews are positive against 21% of GoTall's. On price, rating, ratings volume and update cadence 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 37 in-app purchases, starting at $2.99 per 7 days and GoTall sells 15 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for 90 Day Challenge against 4.6 for GoTall. Both are backed by a comparable volume of ratings — 4.9K and 6.8K respectively. Written reviews are what separate them: 64% of 90 Day Challenge's written reviews are positive against 21% of GoTall's.

UpkeepUpdate frequency

90 Day Challenge ships an update every 5 days, GoTall every 9 days. The most recent releases landed on October 22, 2026 and October 23, 2026 respectively.

Scorecard1 real difference · 9 level
90 Day Challenge versus GoTall: the parameters behind the verdict, then further details
Parameter90 Day ChallengeGoTall
PriceFreeFree
Rating4.7 (4.9K ratings) — better4.6 (6.8K ratings)
Positive reviews64.0% of reviews — better21.5% of reviews
Number of ratings4.9K6.8K — better
Update frequencyEvery 5 days — betterEvery 9 days
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.4
Further details — not scored
Size246 MB147 MB
Age rating4+4+
DeveloperBrowney B.V.Grow Labs LLC

Customer experience

90 Day Challenge

All ratings4,947 ratings
Positive92.0%
Neutral3.4%
Negative4.6%
Written reviews713 reviews
Positive64.0%
Neutral11.4%
Negative24.7%

GoTall

All ratings6,784 ratings
Positive90.8%
Neutral3.7%
Negative5.5%
Written reviews177 reviews
Positive21.5%
Neutral3.4%
Negative75.1%

User reviews

90 Day Challenge

From 4.9K App Store ratings

What we love

  • 🚀 Smooth app experience
  • 👍 Helpful workout and nutrition features
  • 💪 Effective for building muscle and losing weight
  • 🤩 Motivating content from Browney and Captain America

Room to improve

  • 🐛 Frequent app crashes and freezes
  • ⏱️ Slow loading times for videos and content
  • 🔍 Difficulty navigating the app and finding features
  • 🤔 Limited customization options for workouts

GoTall

From 6.8K App Store ratings

What we love

  • 👍 Great app overall
  • 🚀 Seeing benefits already
  • 💡 Provided necessary structure for growth

Room to improve

  • 💰 Paywall/cost to access full features
  • 🤔 Doesn't reveal results without payment
  • 🤔 Concerns about data privacy

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

GoTall

Reported bugs

1 issue
  • Paywall blocks access to core functionality

Requested features

2 requests
  • Free access to height prediction results
  • More transparency about data usage

In-app purchases

37 purchases

90 Day Challenge

Subscriptions20
  • WEEKLY7 Days trial$2.997 Days
  • Weekly1 Month trial$5.007 Days
  • Weekly$5.007 Days
Show 17 more
  • WEEKLY7 Days trial$8.997 Days
  • MONTHLY7 Days trial$9.991 Month
  • Monthly1 Month trial$15.001 Month
  • Monthly$15.001 Month
  • MONTHLY7 Days trial$21.991 Month
  • 90 DAYS7 Days trial$27.993 Months
  • 90 DAYS7 Days trial$39.003 Months
  • 90 DAYS$39.003 Months
  • YEARLY$39.001 Year
  • 90 DAYS7 Days trial$41.493 Months
  • 90 DAYS7 Days trial$44.003 Months
  • 90 DAYS7 Days trial$49.003 Months
  • Yearly$59.001 Year
  • YEARLY7 Days trial$89.001 Year
  • YEARLY7 Days trial$99.001 Year
  • YEARLY7 Days trial$99.991 Year
  • Yearly$119.001 Year
One-time17
  • 30-Day Challenge$29.00
  • 90 Day Shred Pass - 2026$49.00
  • Strength & Size at Home$69.00
Show 14 more
  • JC’s Fat Loss Program$69.00
  • The Bodybuilder Shred$69.00
  • Lean & Strong at Home$69.00
  • The Hybrid Shred$69.00
  • The Ultimate Shred Program$69.00
  • Hybrid Strength & Size$69.00
  • The Hybrid Bulk$69.00
  • Lean Hybrid Strength$69.00
  • The Home Shred Program$69.00
  • Strength & Muscle Bulk$69.00
  • Strength & Muscle Shred$69.00
  • Fat Free Runner Program$69.00
  • The Powerbuilder Plan$69.00
  • Hybrid Strength & Muscle$69.00
15 purchases

GoTall

Subscriptions13
  • Weekly Access$1.997 Days
  • Weekly Access$3.997 Days
  • GoTall Access7 Days trial$4.997 Days
Show 10 more
  • GoTall Weekly Plan$4.997 Days
  • Weekly Access$5.997 Days
  • Yearly Access$9.991 Year
  • Monthly Access2 variants$9.991 Month
  • Yearly Access$34.991 Year
  • GoTall Yearly Plan$39.991 Year
  • Yearly Access$49.991 Year
  • Yearly Access3 Days trial$59.991 Year
  • GoTall Yearly Plan3 Days trial$59.991 Year
  • GoTall Yearly Pro7 Days trial$59.991 Year
One-time2
  • Lifetime Access$9.99
  • Permanent Access$24.99

Questions

Is 90 Day Challenge free?
90 Day Challenge is free to download, with in-app purchases available.
Is GoTall free?
GoTall is free to download, with in-app purchases available.
Which has better reviews, 90 Day Challenge or GoTall?
90 Day Challenge is rated higher. 90 Day Challenge averages 4.7 out of 5 from 4.9K ratings, while GoTall averages 4.6 from 6.8K ratings.
Do 90 Day Challenge or GoTall have ads?
Both 90 Day Challenge and GoTall show ads.
Which is updated more often, 90 Day Challenge or GoTall?
90 Day Challenge ships an update every 5 days, and GoTall every 9 days. Most recently, 90 Day Challenge was updated on October 22, 2026 and GoTall on October 23, 2026.

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