# Stomyth vs CoinEcho

The clearest difference is ads: Stomyth at none against CoinEcho's shown. Stomyth also leads on update cadence (every 2 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Stomyth ships an update every 2 days, CoinEcho monthly. Both last shipped on November 13, 2026.

## The numbers

| Metric | Stomyth | CoinEcho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (41 ratings)](https://appshunter.io/ios/app/coinecho-physics-puzzle/id6810488371/reviews)** |
| Number of ratings | — | **41** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | — | Ad-supported |
| Size | 16 MB | 123 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Bernhard Condek](https://appshunter.io/developer/1895348341) | [子涵 马](https://appshunter.io/developer/6807078905) |

## What reviewers say

### Stomyth

[App page](https://appshunter.io/ios/app/stomyth/id6801107413)

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

**In-app purchases:** none


### CoinEcho

[App page](https://appshunter.io/ios/app/coinecho-physics-puzzle/id6810488371)

A minimalist physics puzzle game where your past actions replay to help you solve challenges. Plan trajectories, record paths, and guide echoes through nodes to reach the goal. Offers a unique cooperative gameplay experience with handcrafted levels.

**Highlights:** Cooperate with past runs, Record and replay trajectories, Guide echoes through nodes, Handcrafted levels, Offline play, No account required

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

**In-app purchases:** none


## Frequently asked questions

### Is Stomyth free?

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

### Is CoinEcho free?

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

### Do Stomyth or CoinEcho have ads?

CoinEcho shows ads; Stomyth does not.

### Which is updated more often, Stomyth or CoinEcho?

Stomyth ships an update every 2 days, and CoinEcho monthly. Most recently, Stomyth was updated on November 13, 2026 and CoinEcho on November 13, 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.*