# 回音App vs 老疯杨

The clearest difference is update cadence: 老疯杨 at weekly against 回音App's every 5 weeks. 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.

回音App ships an update every 5 weeks, 老疯杨 weekly. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 回音App | 老疯杨 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 82 MB | 130 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [云南云芸智能科技有限公司](https://appshunter.io/developer/1657965965) | [四川老疯杨宠物服务有限公司](https://appshunter.io/developer/1834858014) |

## What reviewers say

### 回音App

[App page](https://appshunter.io/ios/app/app/id6444924567)

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

**In-app purchases:** none


### 老疯杨

[App page](https://appshunter.io/ios/app/id6751396507)

**In-app purchases:** none


## Frequently asked questions

### Is 回音App free?

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

### Is 老疯杨 free?

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

### Do 回音App or 老疯杨 have ads?

Neither 回音App nor 老疯杨 shows ads.

### Which is updated more often, 回音App or 老疯杨?

回音App ships an update every 5 weeks, and 老疯杨 weekly. Most recently, 回音App was updated on October 12, 2026 and 老疯杨 on October 25, 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.*