# 智能热水器 vs NFC智能锁

The clearest difference is iOS requirement: 智能热水器 at 9.0 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 | 智能热水器 | NFC智能锁 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 13 MB | 12 MB |
| Requires iOS | **9.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Guangzhou Lanmei Computer Technology Co., Ltd.](https://appshunter.io/developer/989104097) | [xiaoxian hong](https://appshunter.io/developer/1437037834) |

## What reviewers say

### 智能热水器

[App page](https://appshunter.io/ios/app/id1223846447)

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

**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 智能热水器 free?

智能热水器 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 智能热水器 or NFC智能锁 have ads?

Neither 智能热水器 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.*