# BMS Manager vs Deye ESS

The clearest difference is update cadence: Deye ESS at weekly against BMS Manager's every 3 months. 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.

BMS Manager ships an update every 3 months, Deye ESS weekly. The most recent releases landed on September 18, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | BMS Manager | Deye ESS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/deye-ess/id6746040947/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | — | Free |
| Size | 28 MB | 84 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [鹏 张](https://appshunter.io/developer/1425725690) | [萃绩科技(上海)有限公司](https://appshunter.io/developer/1738188942) |

## What reviewers say

### BMS Manager

[App page](https://appshunter.io/ios/app/bms-manager/id6449155110)

**Features:** macOS Compatibility

**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 BMS Manager free?

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

### Is Deye ESS free?

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

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

Neither BMS Manager nor Deye ESS shows ads.

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

BMS Manager ships an update every 3 months, and Deye ESS weekly. Most recently, BMS Manager was updated on September 18, 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.*