# 纳鞋 vs 回音App

The clearest difference is update cadence: 纳鞋 at every 6 days against 回音App's every 5 weeks. 纳鞋 also leads on iOS requirement (9.0 vs 12.0). 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.

纳鞋 ships an update every 6 days, 回音App every 5 weeks. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 纳鞋 | 回音App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 5 weeks |
| Size | 28 MB | 82 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [荔国 黄](https://appshunter.io/developer/1153578101) | [云南云芸智能科技有限公司](https://appshunter.io/developer/1657965965) |

## What reviewers say

### 纳鞋

[App page](https://appshunter.io/ios/app/id1619762857)

**Features:** macOS Compatibility

**In-app purchases:** none


### 回音App

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 纳鞋 free?

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

### Is 回音App free?

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

### Do 纳鞋 or 回音App have ads?

Neither 纳鞋 nor 回音App shows ads.

### Which is updated more often, 纳鞋 or 回音App?

纳鞋 ships an update every 6 days, and 回音App every 5 weeks. Most recently, 纳鞋 was updated on October 10, 2026 and 回音App on October 12, 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.*