# GrowMaxx vs GoTall AI

The clearest difference is ads: GoTall AI at none against GrowMaxx's shown. GrowMaxx's advantage is update cadence (every 3 days vs monthly) and ratings volume (71 vs 16). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. GrowMaxx sells 5 in-app purchases, starting at $4.99 per 7 days and GoTall AI sells 3 in-app purchases, starting at $17.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for GrowMaxx against 4.8 for GoTall AI. Both are backed by a comparable volume of ratings — 71 and 16 respectively.

GrowMaxx ships an update every 3 days, GoTall AI monthly. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | GrowMaxx | GoTall AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (71 ratings)](https://appshunter.io/ios/app/growmaxx-height-predictor/id6753605862/reviews) | **[4.8 (16 ratings)](https://appshunter.io/ios/app/gotall-ai-heightmax-predictor/id6756691821/reviews)** |
| Number of ratings | **71** | 16 |
| Positive reviews | 93.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 55 MB | 134 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [erdem sengun](https://appshunter.io/developer/1875764238) | [Starlight Ltd.](https://appshunter.io/developer/1723007718) |

## What reviewers say

### GrowMaxx

[App page](https://appshunter.io/ios/app/growmaxx-height-predictor/id6753605862)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Height Increase | $4.99 | per 7 days |
| 1 Week Height Increase | $7.49 | per 7 days |
| 1 Year Height Boost - Offer | $24.99 | per year |
| 52 Week Height Increase | $59.99 | per year |
| 52 Week Height Increase | $59.99 | per year |


### GoTall AI

[App page](https://appshunter.io/ios/app/gotall-ai-heightmax-predictor/id6756691821)

This app uses AI to predict and optimize your growth trajectory. It analyzes sleep, nutrition, posture, and activity to provide personalized exercises and habit recommendations for maximum height realization. Track your progress with milestone challenges and detailed growth forecasts.

**Highlights:** AI-driven growth prediction, Personalized habit optimization, Targeted growth zone mapping, Smart nutrition decoder, Progressive milestone challenges, Posture and alignment sequences

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Monthly Premium! | $17.99 | per month |
| Get Yearly Premium! | $19.99 | per year |
| Get Yearly Premium! | $29.99 | per year |


## Frequently asked questions

### Is GrowMaxx free?

GrowMaxx is free to download, with in-app purchases available.

### Is GoTall AI free?

GoTall AI is free to download, with in-app purchases available.

### Which has better reviews, GrowMaxx or GoTall AI?

GoTall AI is rated higher. GrowMaxx averages 4.7 out of 5 from 71 ratings, while GoTall AI averages 4.8 from 16 ratings.

### Do GrowMaxx or GoTall AI have ads?

GrowMaxx shows ads; GoTall AI does not.

### Which is updated more often, GrowMaxx or GoTall AI?

GrowMaxx ships an update every 3 days, and GoTall AI monthly. Most recently, GrowMaxx was updated on September 22, 2026 and GoTall AI on September 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*