# StarhandProtocol2 vs CoinEcho

The clearest difference is ads: StarhandProtocol2 at none against CoinEcho's shown. 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.

## The numbers

| Metric | StarhandProtocol2 | CoinEcho |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (42 ratings)](https://appshunter.io/ios/app/coinecho-physics-puzzle/id6810488371/reviews)** |
| Number of ratings | — | **42** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Monthly |
| Monetization | — | Ad-supported |
| Size | 14 MB | 123 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Nguyen Thu Thuy Thi](https://appshunter.io/developer/6806201290) | [子涵 马](https://appshunter.io/developer/6807078905) |

## What reviewers say

### StarhandProtocol2

[App page](https://appshunter.io/ios/app/starhandprotocol2/id6806204242)

**Features:** macOS Compatibility

**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 StarhandProtocol2 free?

StarhandProtocol2 is free to download, with no in-app purchases.

### Is CoinEcho free?

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

### Do StarhandProtocol2 or CoinEcho have ads?

CoinEcho shows ads; StarhandProtocol2 does not.

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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.*