# 设备掌控宝 vs JME水电云

The clearest difference is update cadence: 设备掌控宝 at weekly against JME水电云's every 3 months. JME水电云's advantage is iOS requirement (9.0 vs 12.0). 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.

设备掌控宝 ships an update weekly, JME水电云 every 3 months. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 设备掌控宝 | JME水电云 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 26 MB | 84 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [颖丽 甘](https://appshunter.io/developer/1092926148) | [JME(Hunan) Automation Equipment Corp.,LTD](https://appshunter.io/developer/1206723704) |

## What reviewers say

### 设备掌控宝

[App page](https://appshunter.io/ios/app/id1190474597)

**Features:** macOS Compatibility

**In-app purchases:** none


### JME水电云

[App page](https://appshunter.io/ios/app/jme/id1500852638)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 设备掌控宝 free?

设备掌控宝 is free to download, with no in-app purchases.

### Is JME水电云 free?

JME水电云 is free to download, with no in-app purchases.

### Do 设备掌控宝 or JME水电云 have ads?

Neither 设备掌控宝 nor JME水电云 shows ads.

### Which is updated more often, 设备掌控宝 or JME水电云?

设备掌控宝 ships an update weekly, and JME水电云 every 3 months. Most recently, 设备掌控宝 was updated on October 26, 2026 and JME水电云 on October 25, 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.*