# Core Three vs Build

The clearest difference is iOS requirement: Core Three at 17.6 against Build's 26.5. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Core Three | Build |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 1 MB | 63 MB |
| Requires iOS | **17.6** | 26.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PAUL SHIN GAY](https://appshunter.io/developer/1883365950) | [brian wan](https://appshunter.io/developer/1891220305) |

## What reviewers say

### Core Three

[App page](https://appshunter.io/ios/app/core-three/id6760226563)

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

**In-app purchases:** none


### Build

[App page](https://appshunter.io/ios/app/build-focus-and-grow/id6810410977)

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

**In-app purchases:** none


## Frequently asked questions

### Is Core Three free?

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

### Is Build free?

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

### Do Core Three or Build have ads?

Neither Core Three nor Build 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.*