# Lock Tool vs syoung智慧鎖

The clearest difference is update cadence: Lock Tool at every 3 months against syoung智慧鎖's every 19 months. 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.

Lock Tool ships an update every 3 months, syoung智慧鎖 every 19 months. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Lock Tool | syoung智慧鎖 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 19 months |
| Size | 19 MB | 11 MB |
| Requires iOS | 12.0 | **11.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zhixin Wulian Technology Co., Ltd.](https://appshunter.io/developer/1521588847) | [syoung LTD](https://appshunter.io/developer/548920235) |

## What reviewers say

### Lock Tool

[App page](https://appshunter.io/ios/app/lock-tool/id1419601294)

**Features:** macOS Compatibility

**In-app purchases:** none


### syoung智慧鎖

[App page](https://appshunter.io/ios/app/syoung/id1480793207)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lock Tool free?

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

### Is syoung智慧鎖 free?

syoung智慧鎖 is free to download, with no in-app purchases.

### Do Lock Tool or syoung智慧鎖 have ads?

Neither Lock Tool nor syoung智慧鎖 shows ads.

### Which is updated more often, Lock Tool or syoung智慧鎖?

Lock Tool ships an update every 3 months, and syoung智慧鎖 every 19 months. Most recently, Lock Tool was updated on September 13, 2026 and syoung智慧鎖 on September 9, 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.*