# The Micro vs The Foundation Stone

The clearest difference is price: The Foundation Stone at Free against The Micro's $0.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

The Foundation Stone is free to download; The Micro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | The Micro | The Foundation Stone |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Size | 5 MB | 30 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Michel Garlandat](https://appshunter.io/developer/1092759498) | [MORDAKHAY KHOLDAROV](https://appshunter.io/developer/6787824075) |

## What reviewers say

### The Micro

[App page](https://appshunter.io/ios/app/the-micro-computer-era/id6766261703)

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

**In-app purchases:** none


### The Foundation Stone

[App page](https://appshunter.io/ios/app/the-foundation-stone/id6787824073)

**In-app purchases:** none


## Frequently asked questions

### Is The Micro free?

The Micro costs $0.99, with no in-app purchases.

### Is The Foundation Stone free?

The Foundation Stone is free to download, with no in-app purchases.

### Do The Micro or The Foundation Stone have ads?

Neither The Micro nor The Foundation Stone 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.*