# ULock Keeper vs 咔嚓一下

The clearest difference is iOS requirement: ULock Keeper at 12.0 against 咔嚓一下's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ULock Keeper ships an update monthly, 咔嚓一下 every 6 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ULock Keeper | 咔嚓一下 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 40 MB | 101 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UFun Networks Technology Co., Limited](https://appshunter.io/developer/1014481218) | [忠楷 江](https://appshunter.io/developer/1827802420) |

## What reviewers say

### ULock Keeper

[App page](https://appshunter.io/ios/app/ulock-keeper/id1179196510)

**Features:** macOS Compatibility

**In-app purchases:** none


### 咔嚓一下

[App page](https://appshunter.io/ios/app/id6760381276)

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

**In-app purchases:** none


## Frequently asked questions

### Is ULock Keeper free?

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

### Is 咔嚓一下 free?

咔嚓一下 is free to download, with no in-app purchases.

### Do ULock Keeper or 咔嚓一下 have ads?

Neither ULock Keeper nor 咔嚓一下 shows ads.

### Which is updated more often, ULock Keeper or 咔嚓一下?

ULock Keeper ships an update monthly, and 咔嚓一下 every 6 weeks. Most recently, ULock Keeper was updated on October 7, 2026 and 咔嚓一下 on October 14, 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.*