# JBD BMS vs DM Service

The clearest difference is update cadence: JBD BMS at every 3 weeks against DM Service's every 2 months. DM Service's advantage is iOS requirement (13.0 vs 15.0). 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.

JBD BMS ships an update every 3 weeks, DM Service every 2 months. The most recent releases landed on September 23, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | JBD BMS | DM Service |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (26 ratings)](https://appshunter.io/ios/app/jbd-bms/id6479194416/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 23.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 40 MB | 45 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dongguan Jiabaida Electronic Science & Technology Co., Ltd.](https://appshunter.io/developer/1420560982) | [Zhejiang Xingyue Electric Appliance Co., Ltd.](https://appshunter.io/developer/1389646775) |

## What reviewers say

### JBD BMS

[App page](https://appshunter.io/ios/app/jbd-bms/id6479194416)

Monitor and control lithium batteries in real-time via Bluetooth or WiFi. View historical data, manage charge/discharge, and update device firmware. Device sharing and language switching are also available.

**Highlights:** Real-time battery status monitoring, Historical data graphs, Charge and discharge control, Device management, Firmware upgrades, Bluetooth/WiFi connectivity

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

**In-app purchases:** none


### DM Service

[App page](https://appshunter.io/ios/app/dm-service/id6479637545)

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

**In-app purchases:** none


## Frequently asked questions

### Is JBD BMS free?

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

### Is DM Service free?

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

### Do JBD BMS or DM Service have ads?

Neither JBD BMS nor DM Service shows ads.

### Which is updated more often, JBD BMS or DM Service?

JBD BMS ships an update every 3 weeks, and DM Service every 2 months. Most recently, JBD BMS was updated on September 23, 2026 and DM Service on May 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*