# 蛙角鳴星 vs Ear Sonar

The clearest difference is iOS requirement: 蛙角鳴星 at 13.0 against Ear Sonar's 17.0. On price, ads, in-app purchases and device support 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 | 蛙角鳴星 | Ear Sonar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 200 MB | 18 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aurismart Technology Corporation](https://appshunter.io/developer/1531991960) | [乃君 黄](https://appshunter.io/developer/1337343608) |

## What reviewers say

### 蛙角鳴星

[App page](https://appshunter.io/ios/app/id6748662203)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ear Sonar

[App page](https://appshunter.io/ios/app/ear-sonar/id6800315771)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 蛙角鳴星 free?

蛙角鳴星 is free to download, with no in-app purchases.

### Is Ear Sonar free?

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

### Do 蛙角鳴星 or Ear Sonar have ads?

Neither 蛙角鳴星 nor Ear Sonar shows ads.

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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.*