# KD Lock vs SHU

KD Lock and SHU are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | KD Lock | SHU |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Size | 26 MB | 79 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Kuodao Internet of Things Technology Co., Ltd.](https://appshunter.io/developer/1196125665) | [Guangzhou SHUSHU IOT Technology Co., Ltd](https://appshunter.io/developer/1554723044) |

## What reviewers say

### KD Lock

[App page](https://appshunter.io/ios/app/kd-lock/id1196125666)

**Features:** macOS Compatibility

**In-app purchases:** none


### SHU

[App page](https://appshunter.io/ios/app/shu-shu/id1554723042)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KD Lock free?

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

### Is SHU free?

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

### Do KD Lock or SHU have ads?

Neither KD Lock nor SHU shows ads.

### Which is updated more often, KD Lock or SHU?

KD Lock ships an update every 6 weeks, and SHU every 6 weeks. Most recently, KD Lock was updated on October 29, 2026 and SHU 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.*