# NFC無源掛鎖 vs iSub Player

The clearest difference is in-app purchases: NFC無源掛鎖 at none against iSub Player's 1. NFC無源掛鎖 also leads on iOS requirement (13.0 vs 15.5). iSub Player's advantage is device support. On price there is nothing between them.

Both are free to download. iSub Player sells 1 one-off in-app purchase. NFC無源掛鎖 asks for nothing beyond the download.

## The numbers

| Metric | NFC無源掛鎖 | iSub Player |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Fortnightly |
| Size | 2 MB | 128 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Holtek Semiconductor(China) Inc](https://appshunter.io/developer/1052056181) | [Shandong HOPE Machine Co., Ltd.](https://appshunter.io/developer/6785255161) |

## What reviewers say

### NFC無源掛鎖

[App page](https://appshunter.io/ios/app/nfc/id6446962940)

**In-app purchases:** none


### iSub Player

[App page](https://appshunter.io/ios/app/isub-player/id6785255159)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | one-time |


## Frequently asked questions

### Is NFC無源掛鎖 free?

NFC無源掛鎖 is free to download, with no in-app purchases.

### Is iSub Player free?

iSub Player is free to download, with in-app purchases available.

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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.*