# 123SmartBMS vs Fusion BMS

The clearest difference is review sentiment: 123SmartBMS at 67% against Fusion BMS's 0%. 123SmartBMS also leads on update cadence (monthly vs every 3 months). Fusion BMS's advantage is iOS requirement (11.0 vs 16.0). 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.

123SmartBMS ships an update monthly, Fusion BMS every 3 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 123SmartBMS | Fusion BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/123smartbms/id988285264/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | Free |
| Size | 190 MB | 101 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [江西达伙网络科技有限公司](https://appshunter.io/developer/1234844673) |

## What reviewers say

### 123SmartBMS

[App page](https://appshunter.io/ios/app/123smartbms/id988285264)

This app monitors and manages lithium battery packs, ensuring optimal condition and extended lifespan. It tracks cell voltages, temperatures, and currents, while balancing cells during charging. Connect via Bluetooth to view real-time battery status and control charging/discharging.

**Highlights:** Monitors cell voltages and temperatures, Tracks in- and outgoing currents, Balances cells during charging, Bluetooth connectivity for real-time data, Controls charge/discharge signals, Extends battery pack lifespan

**Features:** macOS Compatibility

**In-app purchases:** none


### Fusion BMS

[App page](https://appshunter.io/ios/app/fusion-bms/id6443984576)

This intelligent management system monitors battery status, collects real-time operational data, and exchanges information with external devices. It enhances the safety, usability, and lifespan of lithium battery systems by providing detailed parameter displays and critical alerts.

**Highlights:** Real-time voltage, current, and power monitoring, Single cell voltage and alarm status display, Cell comparison and balance display, Temperature, short-circuit, over/under-voltage alarms, Warning event logging, Compatibility with various battery brands

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

**In-app purchases:** none


## Frequently asked questions

### Is 123SmartBMS free?

123SmartBMS is free to download, with no in-app purchases.

### Is Fusion BMS free?

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

### Do 123SmartBMS or Fusion BMS have ads?

Neither 123SmartBMS nor Fusion BMS shows ads.

### Which is updated more often, 123SmartBMS or Fusion BMS?

123SmartBMS ships an update monthly, and Fusion BMS every 3 months. Most recently, 123SmartBMS was updated on October 7, 2026 and Fusion BMS on October 14, 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.*