# FCM IoT vs 中联E家

The clearest difference is update cadence: FCM IoT at monthly against 中联E家's every 8 months. 中联E家's advantage is iOS requirement (11.0 vs 13.0). 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.

FCM IoT ships an update monthly, 中联E家 every 8 months. Both last shipped on September 18, 2026.

## The numbers

| Metric | FCM IoT | 中联E家 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 8 months |
| Size | 96 MB | 111 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [苏州曼捷科智能科技有限公司](https://appshunter.io/developer/1530505401) | [Zoomlion Heavy Industry Science and Technology Co., Ltd.](https://appshunter.io/developer/1042192738) |

## What reviewers say

### FCM IoT

[App page](https://appshunter.io/ios/app/fcm-iot/id1584102216)

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

**In-app purchases:** none


### 中联E家

[App page](https://appshunter.io/ios/app/e/id1660510039)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FCM IoT free?

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

### Is 中联E家 free?

中联E家 is free to download, with no in-app purchases.

### Do FCM IoT or 中联E家 have ads?

Neither FCM IoT nor 中联E家 shows ads.

### Which is updated more often, FCM IoT or 中联E家?

FCM IoT ships an update monthly, and 中联E家 every 8 months. Most recently, FCM IoT was updated on September 18, 2026 and 中联E家 on September 18, 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.*