# Crazy Marbles vs klang²

The clearest difference is price: klang² at Free against Crazy Marbles's $0.99. klang² also leads on update cadence (every 2 months vs every 7 months). Crazy Marbles's advantage is in-app purchases (none vs 10) and iOS requirement (12.0 vs 15.6). On ads and device support there is nothing between them.

klang² is free to download; Crazy Marbles costs $0.99 up front. klang² sells 10 one-off in-app purchases. Crazy Marbles asks for nothing beyond the download.

Crazy Marbles ships an update every 7 months, klang² every 2 months. The most recent releases landed on September 27, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Crazy Marbles | klang² |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/crazy-marbles/id406226862/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 78.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 101 MB | 89 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rost Solutions](https://appshunter.io/developer/307830710) | [Oberlin & Rennertz GmbH](https://appshunter.io/developer/1474108830) |

## What reviewers say

### Crazy Marbles

[App page](https://appshunter.io/ios/app/crazy-marbles/id406226862)

A fast-paced puzzle game where players rotate wheels to guide marbles of the same color, triggering chain reactions. It offers increasingly challenging levels and global competition.

**Highlights:** Rotate wheels to guide marbles, Match same-colored marbles, Trigger explosive chain reactions, Innovative obstacles, Global competition and leaderboards, Optimized controls for iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


### klang²

[App page](https://appshunter.io/ios/app/klang/id1491987376)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Klang2 Pro Option 0 | Free | one-time |
| Klang2 Pro Option 1 | $0.99 | one-time |
| Bundesländer und Hauptstädte | $0.99 | one-time |
| Klang2 Pro Option 2 | $1.99 | one-time |
| Klang2 Pro Option 3 | $3.99 | one-time |
| Volkslieder Premium | $3.99 | one-time |
| Tierisch Menschlich | $3.99 | one-time |
| Klang2 Pro Option 4 | $7.99 | one-time |
| Klang2 Pro Option 5 | $11.99 | one-time |
| Klang2 Pro Option 6 | $16.99 | one-time |


## Frequently asked questions

### Is Crazy Marbles free?

Crazy Marbles costs $0.99, with no in-app purchases.

### Is klang² free?

klang² is free to download, with in-app purchases available.

### Do Crazy Marbles or klang² have ads?

Neither Crazy Marbles nor klang² shows ads.

### Which is updated more often, Crazy Marbles or klang²?

Crazy Marbles ships an update every 7 months, and klang² every 2 months. Most recently, Crazy Marbles was updated on September 27, 2026 and klang² on September 14, 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.*