# Metamath vs Learn to Code in Rust

The clearest difference is price: Metamath at Free against Learn to Code in Rust's $2.99. Learn to Code in Rust's advantage is device support (3 vs 1). On ads, in-app purchases and iOS requirement there is nothing between them.

Metamath is free to download; Learn to Code in Rust costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Metamath | Learn to Code in Rust |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | — |
| Size | 210 MB | 48 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [William Hale](https://appshunter.io/developer/297636668) | [Shahbaz Khan](https://appshunter.io/developer/1479963383) |

## What reviewers say

### Metamath

[App page](https://appshunter.io/ios/app/metamath/id1348593713)

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn to Code in Rust

[App page](https://appshunter.io/ios/app/learn-to-code-in-rust/id6752511439)

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

**In-app purchases:** none


## Frequently asked questions

### Is Metamath free?

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

### Is Learn to Code in Rust free?

Learn to Code in Rust costs $2.99, with no in-app purchases.

### Do Metamath or Learn to Code in Rust have ads?

Neither Metamath nor Learn to Code in Rust 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.*