# HeightGPT vs CTRL

The clearest difference is iOS requirement: HeightGPT at 15.1 against CTRL's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. HeightGPT sells 2 in-app purchases, starting at $3.99 per 7 days and CTRL sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

HeightGPT ships an update weekly, CTRL every 10 days. The most recent releases landed on September 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | HeightGPT | CTRL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/heightgpt/id6741367617/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 29 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Boulevard Legacy LLC](https://appshunter.io/developer/1788132576) | [Nicolas Dos Santos](https://appshunter.io/developer/1873198393) |

## What reviewers say

### HeightGPT

[App page](https://appshunter.io/ios/app/heightgpt/id6741367617)

This AI-powered app helps you track and optimize your height growth. It offers personalized training, habit optimization, and predictive analytics based on various factors like genetics and lifestyle. Visualize your progress and achieve your growth potential.

**Highlights:** AI-powered height predictions, Growth visualizations, Personalized training plans, Growth habit optimization, Parental and genetics analysis, Smart to-do list for growth

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| One Time | $29.99 | one-time |


### CTRL

[App page](https://appshunter.io/ios/app/ctrl-break-free/id6758503680)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is HeightGPT free?

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

### Is CTRL free?

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

### Do HeightGPT or CTRL have ads?

Neither HeightGPT nor CTRL shows ads.

### Which is updated more often, HeightGPT or CTRL?

HeightGPT ships an update weekly, and CTRL every 10 days. Most recently, HeightGPT was updated on September 27, 2026 and CTRL on October 1, 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.*