# KryptoKids vs Marshmallow Mystery

The clearest difference is update cadence: Marshmallow Mystery at every 2 months against KryptoKids's every 7 months. Marshmallow Mystery also leads on device support (3 vs 1). KryptoKids's advantage is iOS requirement (12.1 vs 14.0). On price, ads and in-app purchases there is nothing between them.

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

KryptoKids ships an update every 7 months, Marshmallow Mystery every 2 months. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | KryptoKids | Marshmallow Mystery |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 212 MB | 628 MB |
| Requires iOS | **12.1** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ComputerProjekt Koeln - Verein fuer Medien, Bildung und Kultur e.V.](https://appshunter.io/developer/1504050695) | [GRIPS Werke e.V.](https://appshunter.io/developer/1585407402) |

## What reviewers say

### KryptoKids

[App page](https://appshunter.io/ios/app/kryptokids/id1504051147)

This educational game uses detective stories and interactive elements to teach children aged 8-12 about online privacy and security. It promotes cooperative gameplay to help kids understand internet dangers and how to protect themselves with passwords and other strategies.

**Highlights:** Interactive digital and analog game elements, Detective story gameplay, Teaches online privacy and security, Promotes cooperative play, Sensitizes children to internet dangers, Develops self-empowerment skills

**In-app purchases:** none


### Marshmallow Mystery

[App page](https://appshunter.io/ios/app/marshmallow-mystery/id6467809441)

**In-app purchases:** none


## Frequently asked questions

### Is KryptoKids free?

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

### Is Marshmallow Mystery free?

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

### Do KryptoKids or Marshmallow Mystery have ads?

Neither KryptoKids nor Marshmallow Mystery shows ads.

### Which is updated more often, KryptoKids or Marshmallow Mystery?

KryptoKids ships an update every 7 months, and Marshmallow Mystery every 2 months. Most recently, KryptoKids was updated on October 3, 2026 and Marshmallow Mystery on October 15, 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.*