# 蓝牙智能锁 vs ttLink

The clearest difference is update cadence: ttLink at every 2 weeks against 蓝牙智能锁's every 6 weeks. ttLink 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.

蓝牙智能锁 ships an update every 6 weeks, ttLink every 2 weeks. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 蓝牙智能锁 | ttLink |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Size | 40 MB | 27 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Wushanyun Information Technology Co., Ltd](https://appshunter.io/developer/1144789622) | [庆省 韩](https://appshunter.io/developer/1441108108) |

## What reviewers say

### 蓝牙智能锁

[App page](https://appshunter.io/ios/app/id1190222281)

**Features:** macOS Compatibility

**In-app purchases:** none


### ttLink

[App page](https://appshunter.io/ios/app/ttlink/id1608744597)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 蓝牙智能锁 free?

蓝牙智能锁 is free to download, with no in-app purchases.

### Is ttLink free?

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

### Do 蓝牙智能锁 or ttLink have ads?

Neither 蓝牙智能锁 nor ttLink shows ads.

### Which is updated more often, 蓝牙智能锁 or ttLink?

蓝牙智能锁 ships an update every 6 weeks, and ttLink every 2 weeks. Most recently, 蓝牙智能锁 was updated on October 10, 2026 and ttLink 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.*