# Holtek MCU Selector vs 启纬NFC锁

The clearest difference is iOS requirement: Holtek MCU Selector at 13.0 against 启纬NFC锁's 15. 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.

Holtek MCU Selector ships an update every 2 months, 启纬NFC锁 every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Holtek MCU Selector | 启纬NFC锁 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 19 MB | 38 MB |
| Requires iOS | **13.0** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Holtek Semiconductor(China) Inc](https://appshunter.io/developer/1052056181) | [杭州启纬科技有限公司](https://appshunter.io/developer/1569777902) |

## What reviewers say

### Holtek MCU Selector

[App page](https://appshunter.io/ios/app/holtek-mcu-selector/id6444018542)

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

**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 Holtek MCU Selector free?

Holtek MCU Selector 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 Holtek MCU Selector or 启纬NFC锁 have ads?

Neither Holtek MCU Selector nor 启纬NFC锁 shows ads.

### Which is updated more often, Holtek MCU Selector or 启纬NFC锁?

Holtek MCU Selector ships an update every 2 months, and 启纬NFC锁 every 3 months. Most recently, Holtek MCU Selector was updated on October 25, 2026 and 启纬NFC锁 on October 24, 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.*