Comparison

Standly vs GrowMaxx

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

Head to head
About

Standly

This app provides a personalized height prediction and growth tracking experience. It analyzes lifestyle factors like genetics, posture, nutrition, and sleep to offer a dynamic estimate of potential height and a tailored daily routine to support natural growth.

Highlights
  • Dynamic height prediction model
  • Personalized daily routine for posture
  • Lifestyle guidance for sleep and nutrition
  • Ongoing progress tracking
  • Growth habit optimization
Read full description

Standly is a smarter and more complete height predictor and growth tracker. Here’s how it works: Standly looks at real lifestyle factors, not just age We combine genetics, posture, nutrition, sleep quality, and growth stage to give a more realistic estimate of your potential height. Your plan is built around how growth actually happens Standly creates a personalized routine focused on posture, mobility, recovery, and daily habits that support natural hormone activity and long-term growth. Instead of giving you a single number and guessing from a chart, Standly looks at the full picture. As your habits improve, your prediction adjusts over time, so you can see real progress as you stay consistent. Standly includes: A dynamic prediction model that updates as you improve A personalized daily routine designed for posture and flexibility Lifestyle guidance to help you optimize sleep, nutrition, and recovery Ongoing tracking so you stay accountable and motivated Premium features unlock deeper insights, advanced analysis, and routine upgrades tailored to your progress. Subscriptions renew automatically unless canceled. Standly is not a medical app and does not provide medical advice. All guidance is based on widely recognized growth-supporting habits. For personalized medical recommendations, always consult a healthcare professional. -- Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

GrowMaxx

This AI-powered application helps users discover their growth potential through personalized routines, posture improvement exercises, and smart reminders. It offers daily plans to stretch smarter and track progress, aiming to enhance physical alignment and fitness.

Highlights
  • Height prediction with AI insights
  • Personalized daily stretch and workout routines
  • Progress tracking and regular updates
  • Posture improvement exercises
  • Smart reminders for consistency
Features
Read full description

GrowMaxx: Height Predictor & AI Plan Discover your potential with GrowMaxx — an AI-powered app that helps you improve posture, stretch smarter, and follow personalized routines. GrowMaxx offers both free and premium features. Some advanced tools (like personalized height plans, supplement suggestions, and detailed AI predictions) require a paid subscription. Key Features • Height Prediction: AI-powered insights into your growth potential • Personalized Routines: Daily stretch and workout plans designed for you • Progress Tracking: Monitor changes with regular updates and measurements • Posture Improvement: Exercises focused on alignment and balance • Smart Reminders: Stay consistent with your growth and fitness goals GrowMaxx is not a medical app and does not replace professional advice. All information is for educational purposes only. Subscription Details After the free trial, your subscription automatically renews for $4.99 per week (or $59.99 per year) unless canceled at least 24 hours before renewal. Manage or cancel anytime in your App Store settings. Privacy Policy: https://gotallerapplication.com/privacy Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Download now and start your AI-powered taller transformation!

Screenshots

Standly3 screens
GrowMaxx4 screens

Verdict

The call

Standly and GrowMaxx both sit at 4.6 stars, but that hides the real split: 94% of GrowMaxx's written reviews are positive against 29% of Standly's. GrowMaxx also leads on update cadence (every 3 days vs every 3 weeks). Standly's advantage is ads (none vs shown). On price, rating, ratings volume 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. Standly sells 4 in-app purchases, starting at $4.99 per 7 days and GrowMaxx sells 5 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

GrowMaxx holds the better App Store score, 4.7 against 4.6. Both are backed by a comparable volume of ratings — 117 and 71 respectively. Written reviews point the same way: 29% of Standly's written reviews are positive against 94% of GrowMaxx's.

UpkeepUpdate frequency

Standly ships an update every 3 weeks, GrowMaxx every 3 days. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 7 level
Standly versus GrowMaxx: the parameters behind the verdict, then further details
ParameterStandlyGrowMaxx
PriceFreeFree
Rating4.6 (117 ratings)4.7 (71 ratings) — better
Positive reviews28.6% of reviews93.8% of reviews — better
Number of ratings117 — better71
Update frequencyEvery 3 weeksEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better16.0
Further details — not scored
Size102 MB55 MB
Age rating4+17+
DeveloperBuy Beaver Technologieserdem sengun

Customer experience

Standly

All ratings112 ratings
Positive89.3%
Neutral4.5%
Negative6.3%
Written reviews7 reviews
Positive28.6%
Neutral14.3%
Negative57.1%

GrowMaxx

All ratings71 ratings
Positive93.0%
Neutral5.6%
Negative1.4%
Written reviews16 reviews
Positive93.8%
Neutral0.0%
Negative6.3%

In-app purchases

4 purchases

Standly

Subscriptions3
  • Standly Weekly$4.997 Days
  • Standly Premium$24.991 Year
  • Standly Yearly3 Days trial$24.991 Year
One-time1
  • Standly Lifetime$39.99
5 purchases

GrowMaxx

Subscriptions5
  • 1 Week Height Increase3 Days trial$4.997 Days
  • 1 Week Height Increase$7.497 Days
  • 1 Year Height Boost - Offer$24.991 Year
Show 2 more
  • 52 Week Height Increase$59.991 Year
  • 52 Week Height Increase3 Days trial$59.991 Year

Questions

Is Standly free?
Standly is free to download, with in-app purchases available.
Is GrowMaxx free?
GrowMaxx is free to download, with in-app purchases available.
Which has better reviews, Standly or GrowMaxx?
GrowMaxx is rated higher. Standly averages 4.6 out of 5 from 117 ratings, while GrowMaxx averages 4.7 from 71 ratings.
Do Standly or GrowMaxx have ads?
GrowMaxx shows ads; Standly does not.
Which is updated more often, Standly or GrowMaxx?
Standly ships an update every 3 weeks, and GrowMaxx every 3 days. Most recently, Standly was updated on November 8, 2026 and GrowMaxx on October 30, 2026.

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