# IoT EMS vs Deye Cloud

The clearest difference is update cadence: Deye Cloud at every 2 weeks against IoT EMS's every 2 months. IoT EMS's advantage is iOS requirement (13 vs 15.1). 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.

IoT EMS ships an update every 2 months, Deye Cloud every 2 weeks. The most recent releases landed on September 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | IoT EMS | Deye Cloud |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (272 ratings)](https://appshunter.io/ios/app/deye-cloud/id1632169719/reviews)** |
| Number of ratings | — | **272** |
| Positive reviews | — | 69.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 25 MB | 214 MB |
| Requires iOS | **13** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ACREL CO.,LTD](https://appshunter.io/developer/1277572474) | [萃绩科技(上海)有限公司](https://appshunter.io/developer/1738188942) |

## What reviewers say

### IoT EMS

[App page](https://appshunter.io/ios/app/iot-ems/id1560302424)

**Features:** macOS Compatibility

**In-app purchases:** none


### Deye Cloud

[App page](https://appshunter.io/ios/app/deye-cloud/id1632169719)

This app facilitates the establishment, monitoring, and maintenance of new energy power stations. It offers transparent management through a big data platform, supporting various power station and equipment types for efficient operation and troubleshooting.

**Highlights:** Power station establishment, Real-time data monitoring, Operation and maintenance services, After-sales support, Transparent power station management, Accurate alarm positioning, Intelligent data analysis

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

**In-app purchases:** none

**What reviewers like**

- 👍 Very good tool for monitoring
- 👍 Best Hybrid solar inverter
- 👍 Very high quality
- 👍 Nice beautiful service
- 👍 Extremely good

**What reviewers complain about**

- 🐛 Data from inverter isn’t live
- 🐛 Latency issues
- 🐛 User friendly configuration needed
- 🐛 Copilot prioritizes earning over backup
- 🐛 Push notifications not working

**Reported bugs**

- Data from inverter isn’t live
- Push notifications not working
- No push notifications alerts
- Copilot ended up costing us £150 extra every month
- App isn’t working on IOS

**Requested features**

- Add total yield
- Suggest a third option: Force Sell Mode
- Still see load usage when selling first
- Build more servers around the world
- Dedicated app server centre in Australia


## Frequently asked questions

### Is IoT EMS free?

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

### Is Deye Cloud free?

Deye Cloud is free to download, with no in-app purchases.

### Do IoT EMS or Deye Cloud have ads?

Neither IoT EMS nor Deye Cloud shows ads.

### Which is updated more often, IoT EMS or Deye Cloud?

IoT EMS ships an update every 2 months, and Deye Cloud every 2 weeks. Most recently, IoT EMS was updated on September 17, 2026 and Deye Cloud on October 13, 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.*