# 大拇指+ vs NFC智能锁

The clearest difference is iOS requirement: 大拇指+ at 12.0 against NFC智能锁's 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.

## The numbers

| Metric | 大拇指+ | NFC智能锁 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Size | 21 MB | 12 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [雄 吴](https://appshunter.io/developer/1047092223) | [xiaoxian hong](https://appshunter.io/developer/1437037834) |

## What reviewers say

### 大拇指+

[App page](https://appshunter.io/ios/app/plus/id1548255702)

**Features:** macOS Compatibility

**In-app purchases:** none


### NFC智能锁

[App page](https://appshunter.io/ios/app/nfc/id6755876788)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 大拇指+ free?

大拇指+ is free to download, with no in-app purchases.

### Is NFC智能锁 free?

NFC智能锁 is free to download, with no in-app purchases.

### Do 大拇指+ or NFC智能锁 have ads?

Neither 大拇指+ nor NFC智能锁 shows ads.

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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.*