# SIAECOSYS vs JBD BMS

The clearest difference is update cadence: SIAECOSYS at every 3 days against JBD BMS's every 3 weeks. SIAECOSYS also leads on iOS requirement (8.0 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.

SIAECOSYS ships an update every 3 days, JBD BMS every 3 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SIAECOSYS | JBD BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.9 (32 ratings)](https://appshunter.io/ios/app/jbd-bms/id6479194416/reviews)** |
| Number of ratings | — | **32** |
| Positive reviews | — | 23.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 3 MB | 40 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Teranovo](https://appshunter.io/developer/1250774924) | [Dongguan Jiabaida Electronic Science & Technology Co., Ltd.](https://appshunter.io/developer/1420560982) |

## What reviewers say

### SIAECOSYS

[App page](https://appshunter.io/ios/app/siaecosys/id1523245271)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is SIAECOSYS free?

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

### Is JBD BMS free?

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

### Do SIAECOSYS or JBD BMS have ads?

Neither SIAECOSYS nor JBD BMS shows ads.

### Which is updated more often, SIAECOSYS or JBD BMS?

SIAECOSYS ships an update every 3 days, and JBD BMS every 3 weeks. Most recently, SIAECOSYS was updated on November 3, 2026 and JBD BMS on October 30, 2026.

---

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