# 智控连锁 vs AI智慧护耳

The clearest difference is update cadence: AI智慧护耳 at every 3 weeks against 智控连锁's every 3 months. 智控连锁's advantage is iOS requirement (9.0 vs 12.4). 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.

智控连锁 ships an update every 3 months, AI智慧护耳 every 3 weeks. The most recent releases landed on September 26, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 智控连锁 | AI智慧护耳 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 35 MB | 28 MB |
| Requires iOS | **9.0** | 12.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Guangzhou Baodian Digital Technology Co., Ltd](https://appshunter.io/developer/1554441047) | [国 李](https://appshunter.io/developer/1723374835) |

## What reviewers say

### 智控连锁

[App page](https://appshunter.io/ios/app/id1558022841)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI智慧护耳

[App page](https://appshunter.io/ios/app/ai/id6475162795)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 智控连锁 free?

智控连锁 is free to download, with no in-app purchases.

### Is AI智慧护耳 free?

AI智慧护耳 is free to download, with no in-app purchases.

### Do 智控连锁 or AI智慧护耳 have ads?

Neither 智控连锁 nor AI智慧护耳 shows ads.

### Which is updated more often, 智控连锁 or AI智慧护耳?

智控连锁 ships an update every 3 months, and AI智慧护耳 every 3 weeks. Most recently, 智控连锁 was updated on September 26, 2026 and AI智慧护耳 on October 6, 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.*