# 123SmartBMS vs BAT

The clearest difference is review sentiment: 123SmartBMS at 67% against BAT's 24%. 123SmartBMS also leads on rating (4.5 vs 3.0). BAT's advantage is ratings volume (77 vs 21) and iOS requirement (12.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

123SmartBMS holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 21 and 77 respectively. Written reviews point the same way: 67% of 123SmartBMS's written reviews are positive against 24% of BAT's.

123SmartBMS ships an update monthly, BAT every 3 weeks. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 123SmartBMS | BAT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/123smartbms/id988285264/reviews)** | [3.0 (77 ratings)](https://appshunter.io/ios/app/bat-bms/id1611741274/reviews) |
| Number of ratings | 21 | **77** |
| Positive reviews | **66.7% of reviews** | 24.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 190 MB | 9 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [Shenzhen Grenergy Technology Co.,Ltd.](https://appshunter.io/developer/1602312075) |

## 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


### BAT

[App page](https://appshunter.io/ios/app/bat-bms/id1611741274)

Monitor your smart Bluetooth lithium batteries wirelessly from your phone. Track key metrics like state of charge, voltage, current, and temperature. Connect to multiple batteries simultaneously and view their data.

**Highlights:** Wireless Bluetooth connection, Track cycle life, Display SOC, voltage, current, Monitor cell voltage and temperature, Connect to multiple batteries

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 123SmartBMS free?

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

### Is BAT free?

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

### Which has better reviews, 123SmartBMS or BAT?

123SmartBMS is rated higher. 123SmartBMS averages 4.5 out of 5 from 21 ratings, while BAT averages 3.0 from 77 ratings.

### Do 123SmartBMS or BAT have ads?

Neither 123SmartBMS nor BAT shows ads.

### Which is updated more often, 123SmartBMS or BAT?

123SmartBMS ships an update monthly, and BAT every 3 weeks. Most recently, 123SmartBMS was updated on November 1, 2026 and BAT on November 3, 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.*