# Mathe 5. Klasse vs Start Crypto

The clearest difference is price: Start Crypto at Free against Mathe 5. Klasse's $2.99. Start Crypto also leads on update cadence (every 5 weeks vs every 31 months). Mathe 5. Klasse's advantage is ads (none vs shown) and iOS requirement (12.0 vs 15.0). On in-app purchases and device support there is nothing between them.

Start Crypto is free to download; Mathe 5. Klasse costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mathe 5. Klasse ships an update every 31 months, Start Crypto every 5 weeks. The most recent releases landed on October 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Mathe 5. Klasse | Start Crypto |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Every 5 weeks** |
| Size | 17 MB | 44 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [鲁 黄](https://appshunter.io/developer/1696562503) |

## What reviewers say

### Mathe 5. Klasse

[App page](https://appshunter.io/ios/app/mathe-5-klasse/id1494042076)

**Features:** macOS Compatibility

**In-app purchases:** none


### Start Crypto

[App page](https://appshunter.io/ios/app/start-crypto/id6746840365)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mathe 5. Klasse free?

Mathe 5. Klasse costs $2.99, with no in-app purchases.

### Is Start Crypto free?

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

### Do Mathe 5. Klasse or Start Crypto have ads?

Start Crypto shows ads; Mathe 5. Klasse does not.

### Which is updated more often, Mathe 5. Klasse or Start Crypto?

Mathe 5. Klasse ships an update every 31 months, and Start Crypto every 5 weeks. Most recently, Mathe 5. Klasse was updated on October 26, 2026 and Start Crypto on October 8, 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.*