# promised vs Build Systems

The clearest difference is price: promised at Free against Build Systems's $7.99. promised also leads on iOS requirement (17.5 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

promised is free to download; Build Systems costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | promised | Build Systems |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 230 MB | 12 MB |
| Requires iOS | **17.5** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Amine Belabbes](https://appshunter.io/developer/1766844739) | [Ashish Chandra](https://appshunter.io/developer/1843907932) |

## What reviewers say

### promised

[App page](https://appshunter.io/ios/app/promised/id6670580872)

**Features:** macOS Compatibility

**In-app purchases:** none


### Build Systems

[App page](https://appshunter.io/ios/app/build-systems/id6754289812)

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

**In-app purchases:** none


## Frequently asked questions

### Is promised free?

promised is free to download, with no in-app purchases.

### Is Build Systems free?

Build Systems costs $7.99, with no in-app purchases.

### Do promised or Build Systems have ads?

Neither promised nor Build Systems shows ads.

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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.*