# 蛙蛙精灵 vs Echo Eye

The clearest difference is iOS requirement: 蛙蛙精灵 at 12.0 against Echo Eye's 14.0. On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on September 18, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 蛙蛙精灵 | Echo Eye |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 64 MB | 75 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHENZHEN LK COMMUNICATION TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1690331034) | [HSC Tech Limited](https://appshunter.io/developer/1810433761) |

## What reviewers say

### 蛙蛙精灵

[App page](https://appshunter.io/ios/app/id6737686919)

**Features:** macOS Compatibility

**In-app purchases:** none


### Echo Eye

[App page](https://appshunter.io/ios/app/echo-eye/id6745018632)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 蛙蛙精灵 free?

蛙蛙精灵 is free to download, with no in-app purchases.

### Is Echo Eye free?

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

### Do 蛙蛙精灵 or Echo Eye have ads?

Neither 蛙蛙精灵 nor Echo Eye shows ads.

### Which is updated more often, 蛙蛙精灵 or Echo Eye?

蛙蛙精灵 ships an update every 3 weeks, and Echo Eye every 3 weeks. Most recently, 蛙蛙精灵 was updated on September 18, 2026 and Echo Eye on September 29, 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.*