# PX vs 启纬NFC锁

The clearest difference is update cadence: PX at monthly against 启纬NFC锁's every 3 months. PX also leads on iOS requirement (9.0 vs 15). 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.

PX ships an update monthly, 启纬NFC锁 every 3 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PX | 启纬NFC锁 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 26 MB | 38 MB |
| Requires iOS | **9.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhuhai HiVi Technology Co.,Ltd](https://appshunter.io/developer/1352619575) | [杭州启纬科技有限公司](https://appshunter.io/developer/1569777902) |

## What reviewers say

### PX

[App page](https://appshunter.io/ios/app/px-608/id1352624086)

**Features:** macOS Compatibility

**In-app purchases:** none


### 启纬NFC锁

[App page](https://appshunter.io/ios/app/nfc/id6444053400)

**In-app purchases:** none


## Frequently asked questions

### Is PX free?

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

### Is 启纬NFC锁 free?

启纬NFC锁 is free to download, with no in-app purchases.

### Do PX or 启纬NFC锁 have ads?

Neither PX nor 启纬NFC锁 shows ads.

### Which is updated more often, PX or 启纬NFC锁?

PX ships an update monthly, and 启纬NFC锁 every 3 months. Most recently, PX was updated on October 26, 2026 and 启纬NFC锁 on October 27, 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.*