# HeightGPT vs InchUp

The clearest difference is update cadence: HeightGPT at weekly against InchUp's every 2 months. HeightGPT also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). On price, 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 InchUp sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

HeightGPT ships an update weekly, InchUp every 2 months. The most recent releases landed on June 1, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | HeightGPT | InchUp |
| --- | --- | --- |
| 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 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 56 MB | 30 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Boulevard Legacy LLC](https://appshunter.io/developer/1788132576) | [Arbab Ashraf](https://appshunter.io/developer/1798934941) |

## 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 |


### InchUp

[App page](https://appshunter.io/ios/app/inchup-height-predictor/id6761368472)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Weekly Premium | $4.99 | per 7 days |
| Unlock Yearly Premium | $29.99 | per year |


## Frequently asked questions

### Is HeightGPT free?

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

### Is InchUp free?

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

### Do HeightGPT or InchUp have ads?

Neither HeightGPT nor InchUp shows ads.

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

HeightGPT ships an update weekly, and InchUp every 2 months. Most recently, HeightGPT was updated on June 1, 2026 and InchUp 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.*