# DeyeOSS vs PACEEX BMS

The clearest difference is update cadence: DeyeOSS at every 9 days against PACEEX BMS's every 5 weeks. 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.

DeyeOSS ships an update every 9 days, PACEEX BMS every 5 weeks. The most recent releases landed on September 14, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | DeyeOSS | PACEEX BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (6 ratings)](https://appshunter.io/ios/app/paceex-bms/id6461723294/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 weeks |
| Monetization | — | Free |
| Size | 84 MB | 51 MB |
| Requires iOS | **11.1** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Zhejiang Deye Electrical Appliances Co., Ltd.](https://appshunter.io/developer/1332604988) | [SHENZHEN PACE ELECTRONICS CO., LTD.](https://appshunter.io/developer/1616618327) |

## What reviewers say

### DeyeOSS

[App page](https://appshunter.io/ios/app/deyeoss/id6451098737)

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is DeyeOSS free?

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

### Is PACEEX BMS free?

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

### Do DeyeOSS or PACEEX BMS have ads?

Neither DeyeOSS nor PACEEX BMS shows ads.

### Which is updated more often, DeyeOSS or PACEEX BMS?

DeyeOSS ships an update every 9 days, and PACEEX BMS every 5 weeks. Most recently, DeyeOSS was updated on September 14, 2026 and PACEEX BMS on July 9, 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.*