# PACEEX BMS vs Deye ESS

The clearest difference is rating: Deye ESS at 5.0 against PACEEX BMS's 2.5. Deye ESS also leads on update cadence (weekly vs every 5 weeks). PACEEX BMS's advantage is ratings volume (6 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Deye ESS holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: PACEEX BMS has 6 ratings behind it against 1, so its average is the more settled of the two.

PACEEX BMS ships an update every 5 weeks, Deye ESS weekly. The most recent releases landed on July 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | PACEEX BMS | Deye ESS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (6 ratings)](https://appshunter.io/ios/app/paceex-bms/id6461723294/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/deye-ess/id6746040947/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Monetization | Free | Free |
| Size | 51 MB | 84 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [SHENZHEN PACE ELECTRONICS CO., LTD.](https://appshunter.io/developer/1616618327) | [萃绩科技(上海)有限公司](https://appshunter.io/developer/1738188942) |

## What reviewers say

### PACEEX BMS

[App page](https://appshunter.io/ios/app/paceex-bms/id6461723294)

Monitor and manage your device's battery health remotely or locally. View real-time and historical data, set up custom alerts for critical battery conditions, and manage your connected devices with ease.

**Highlights:** Real-time battery data monitoring, Historical data logging and analysis, Customizable warning and alarm settings, Local Bluetooth and remote Wi-Fi connectivity, Device management and sharing, Battery health status and diagnostics

**In-app purchases:** none


### Deye ESS

[App page](https://appshunter.io/ios/app/deye-ess/id6746040947)

Manage your power station equipment throughout its lifecycle with smart, scenario-based energy storage. Features include real-time monitoring, efficient O&M, fault diagnosis, and a smart revenue calculator. Access nationwide electricity prices to optimize operations and maximize ROI.

**Highlights:** Full lifecycle equipment management, All-in-one O&M with fault diagnosis, AI-powered maintenance scheduling, Real-time equipment monitoring, Smart revenue calculator, Nationwide electricity price lookup

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

**In-app purchases:** none


## Frequently asked questions

### Is PACEEX BMS free?

PACEEX BMS is free to download, with no in-app purchases.

### Is Deye ESS free?

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

### Which has better reviews, PACEEX BMS or Deye ESS?

Deye ESS is rated higher. PACEEX BMS averages 2.5 out of 5 from 6 ratings, while Deye ESS averages 5.0 from 1 ratings.

### Do PACEEX BMS or Deye ESS have ads?

Neither PACEEX BMS nor Deye ESS shows ads.

### Which is updated more often, PACEEX BMS or Deye ESS?

PACEEX BMS ships an update every 5 weeks, and Deye ESS weekly. Most recently, PACEEX BMS was updated on July 9, 2026 and Deye ESS on September 12, 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.*