# 123SmartBMS vs BAT Check

The clearest difference is rating: BAT Check at 5.0 against 123SmartBMS's 4.5. BAT Check also leads on iOS requirement (12.0 vs 16.0). 123SmartBMS's advantage is ratings volume (21 vs 2). 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.

BAT Check holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: 123SmartBMS has 21 ratings behind it against 2, so its average is the more settled of the two.

123SmartBMS ships an update monthly, BAT Check every 2 months. The most recent releases landed on September 20, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | 123SmartBMS | BAT Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (21 ratings)](https://appshunter.io/ios/app/123smartbms/id988285264/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/bat-check/id1531666146/reviews)** |
| Number of ratings | **21** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 190 MB | 11 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) | [海波 刘](https://appshunter.io/developer/1528836993) |

## 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 Check

[App page](https://appshunter.io/ios/app/bat-check/id1531666146)

Monitor your phone's battery directly from the BMS. View detailed information like State of Charge, Voltage, Current, and Power. Access alarms, protection settings, and important parameters for battery management.

**Highlights:** Real-time battery monitoring, Displays battery connection model (Single, Parallel, Series), Detailed dashboard with SOC, Voltage, Current, Temperature, Status tab for alarms and BMS protection, Parameter tab for import settings, Bluetooth 5.0 connectivity

**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 BAT Check free?

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

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

BAT Check is rated higher. 123SmartBMS averages 4.5 out of 5 from 21 ratings, while BAT Check averages 5.0 from 2 ratings.

### Do 123SmartBMS or BAT Check have ads?

Neither 123SmartBMS nor BAT Check shows ads.

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

123SmartBMS ships an update monthly, and BAT Check every 2 months. Most recently, 123SmartBMS was updated on September 20, 2026 and BAT Check on September 28, 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.*