# Height Predictor vs GoTall AI

The clearest difference is ads: GoTall AI at none against Height Predictor's shown. Height Predictor's advantage is update cadence (every 4 days vs monthly) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

Both are free to download. Height Predictor sells 3 in-app purchases, starting at $0.99 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.

Height Predictor ships an update every 4 days, GoTall AI monthly. The most recent releases landed on May 15, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Height Predictor | GoTall AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (16 ratings)](https://appshunter.io/ios/app/gotall-ai-heightmax-predictor/id6756691821/reviews)** |
| Number of ratings | — | **16** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 57 MB | 134 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BESTRONG STUDIOS](https://appshunter.io/developer/1846273407) | [Starlight Ltd.](https://appshunter.io/developer/1723007718) |

## What reviewers say

### Height Predictor

[App page](https://appshunter.io/ios/app/height-predictor-gotall/id6754962274)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Free Experience For A Week | $0.99 | per 7 days |
| Ads Free Experience For Month | $2.99 | per month |
| Ads Free Experience For a Year | $19.99 | 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 Height Predictor free?

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

### Is GoTall AI free?

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

### Do Height Predictor or GoTall AI have ads?

Height Predictor shows ads; GoTall AI does not.

### Which is updated more often, Height Predictor or GoTall AI?

Height Predictor ships an update every 4 days, and GoTall AI monthly. Most recently, Height Predictor was updated on May 15, 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.*