# KERONG Lock vs NFC无源锁

The clearest difference is update cadence: KERONG Lock at weekly against NFC无源锁's fortnightly. KERONG Lock also leads on iOS requirement (12.0 vs 15.6). 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.

KERONG Lock ships an update weekly, NFC无源锁 fortnightly. The most recent releases landed on June 11, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | KERONG Lock | NFC无源锁 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 131 MB | 22 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [深圳市科荣实业有限公司](https://appshunter.io/developer/1475870198) | [Zhejiang Green Orange Information Technology Co., Ltd.](https://appshunter.io/developer/1778827258) |

## What reviewers say

### KERONG Lock

[App page](https://appshunter.io/ios/app/kerong-lock/id6578424967)

**Features:** macOS Compatibility

**In-app purchases:** none


### NFC无源锁

[App page](https://appshunter.io/ios/app/nfc/id6738003066)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KERONG Lock free?

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

### Is NFC无源锁 free?

NFC无源锁 is free to download, with no in-app purchases.

### Do KERONG Lock or NFC无源锁 have ads?

Neither KERONG Lock nor NFC无源锁 shows ads.

### Which is updated more often, KERONG Lock or NFC无源锁?

KERONG Lock ships an update weekly, and NFC无源锁 fortnightly. Most recently, KERONG Lock was updated on June 11, 2026 and NFC无源锁 on May 16, 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.*