# InchUp vs MaxHeight

The clearest difference is update cadence: MaxHeight at every 3 days against InchUp's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. InchUp sells 2 in-app purchases, starting at $4.99 per 7 days and MaxHeight sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

InchUp ships an update every 2 months, MaxHeight every 3 days. Both last shipped on September 23, 2026.

## The numbers

| Metric | InchUp | MaxHeight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 30 MB | 62 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Arbab Ashraf](https://appshunter.io/developer/1798934941) | [Ciel Labs LLC](https://appshunter.io/developer/6800493294) |

## What reviewers say

### 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 |


### MaxHeight

[App page](https://appshunter.io/ios/app/maxheight-height-predictor/id6800530758)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Yearly | $34.99 | per year |


## Frequently asked questions

### Is InchUp free?

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

### Is MaxHeight free?

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

### Do InchUp or MaxHeight have ads?

Neither InchUp nor MaxHeight shows ads.

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

InchUp ships an update every 2 months, and MaxHeight every 3 days. Most recently, InchUp was updated on September 23, 2026 and MaxHeight 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.*