# 锁掌柜/QRMaster vs KeyMate

The clearest difference is update cadence: 锁掌柜/QRMaster at every 3 weeks against KeyMate's every 3 months. 锁掌柜/QRMaster also leads on iOS requirement (12.0 vs 15.0). 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.

锁掌柜/QRMaster ships an update every 3 weeks, KeyMate every 3 months. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | 锁掌柜/QRMaster | KeyMate |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 85 MB | 64 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GuangZhouChangLianInformationTechnologyCompany](https://appshunter.io/developer/977124142) | [洲 陈](https://appshunter.io/developer/1533754700) |

## What reviewers say

### 锁掌柜/QRMaster

[App page](https://appshunter.io/ios/app/qrmaster/id979781966)

**Features:** macOS Compatibility

**In-app purchases:** none


### KeyMate

[App page](https://appshunter.io/ios/app/keymate/id6449242783)

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

**In-app purchases:** none


## Frequently asked questions

### Is 锁掌柜/QRMaster free?

锁掌柜/QRMaster is free to download, with no in-app purchases.

### Is KeyMate free?

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

### Do 锁掌柜/QRMaster or KeyMate have ads?

Neither 锁掌柜/QRMaster nor KeyMate shows ads.

### Which is updated more often, 锁掌柜/QRMaster or KeyMate?

锁掌柜/QRMaster ships an update every 3 weeks, and KeyMate every 3 months. Most recently, 锁掌柜/QRMaster was updated on September 10, 2026 and KeyMate on September 12, 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.*