Comparison

GoTall vs Relentless

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

Head to head
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/

About

Relentless

This app helps you track workouts, log nutrition, and monitor progress towards your fitness goals. It features an exercise library, customizable routines, calorie counting, and progress photos to keep you motivated.

Highlights
  • Workout logging with exercise library
  • Customizable workout programs
  • Nutrition and calorie tracking
  • Progress photos and body measurements
  • Social challenges and friend tracking
  • Workout streaks and accountability
Features
Read full description

Relentless is your all‑in‑one fitness companion for workouts, nutrition, and progress tracking. WORKOUT TRACKING • Log exercises, sets, reps, and weight with a simple interface • Large exercise library with video demos • Create and follow workout programs and routines • Rest timer and workout history • Track volume and progress over time NUTRITION & CALORIES • Set daily calorie and macro goals • Log meals by breakfast, lunch, dinner, and snacks • Search a food database or add custom foods • Scan meals with AI for quick logging PROGRESS & MEASUREMENTS • Progress photos to see your transformation • Body measurements (weight, body fat, waist, arms, etc.) • Custom measurement types • Charts and trends for your data STAY MOTIVATED • Workout streaks • Challenges with friends • Find and follow friends in the app • Share progress and stay accountable Terms of Use: https://StudySmarter1.github.io/relentless-legal/terms.html Relentless helps you stay consistent and reach your fitness goals.

Screenshots

GoTall4 screens
Relentless4 screens

Verdict

The call

The clearest difference is ads: Relentless at none against GoTall's shown. Relentless also leads on review sentiment (33% vs 22%). GoTall's advantage is ratings volume (6.8K vs 23) and iOS requirement (15.4 vs 26.0). On price, rating, update cadence and in-app purchases 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. GoTall sells 15 in-app purchases, starting at $1.99 per 7 days and Relentless sells 2 in-app purchases, starting at $12.99 per month. 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 — 4.6 for GoTall against 4.7 for Relentless. That said, the two scores are not equally well evidenced: GoTall has 6.8K ratings behind it against 23, so its average is the more settled of the two. Written reviews are what separate them: 22% of GoTall's written reviews are positive against 33% of Relentless's.

UpkeepUpdate frequency

GoTall ships an update every 9 days, Relentless every 2 weeks. The most recent releases landed on October 15, 2026 and September 23, 2026 respectively.

Scorecard4 real differences · 6 level
GoTall versus Relentless: the parameters behind the verdict, then further details
ParameterGoTallRelentless
PriceFreeFree
Rating4.6 (6.8K ratings)4.7 (23 ratings) — better
Positive reviews21.6% of reviews33.3% of reviews — better
Number of ratings6.8K — better23
Update frequencyEvery 9 days — betterEvery 2 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.4 — better26.0
Further details — not scored
Size132 MB37 MB
Age rating4+12+
DeveloperGrow Labs LLCNithya Thomas

Customer experience

GoTall

All ratings6,782 ratings
Positive90.8%
Neutral3.7%
Negative5.5%
Written reviews176 reviews
Positive21.6%
Neutral3.4%
Negative75.0%

Relentless

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Bugs and requests

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

Relentless

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
2 purchases

Relentless

Subscriptions2
  • Relentless Premium Monthly$12.991 Month
  • Relentless Premium Yearly$29.991 Year

Questions

Is GoTall free?
GoTall is free to download, with in-app purchases available.
Is Relentless free?
Relentless is free to download, with in-app purchases available.
Which has better reviews, GoTall or Relentless?
Relentless is rated higher. GoTall averages 4.6 out of 5 from 6.8K ratings, while Relentless averages 4.7 from 23 ratings.
Do GoTall or Relentless have ads?
GoTall shows ads; Relentless does not.
Which is updated more often, GoTall or Relentless?
GoTall ships an update every 9 days, and Relentless every 2 weeks. Most recently, GoTall was updated on October 15, 2026 and Relentless on September 23, 2026.

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