# 123SmartBMS vs BMS Tool

The clearest difference is rating: 123SmartBMS at 4.5 against BMS Tool's 3.9. 123SmartBMS also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, update cadence and device support there is nothing between them.

Both are free to download. BMS Tool sells 1 one-off in-app purchase. 123SmartBMS asks for nothing beyond the download.

123SmartBMS holds the better App Store score, 4.5 against 3.9. Both are backed by a comparable volume of ratings — 21 and 7 respectively. Written reviews complicate that: 67% of 123SmartBMS's written reviews are positive against 71% of BMS Tool's, so the app with the better star average is not the one people write more warmly about.

123SmartBMS ships an update monthly, BMS Tool every 2 months. The most recent releases landed on September 20, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 123SmartBMS | BMS Tool |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (21 ratings)](https://appshunter.io/ios/app/123smartbms/id988285264/reviews)** | [3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews) |
| Number of ratings | **21** | 7 |
| Positive reviews | 66.7% of reviews | **71.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 190 MB | 9 MB |
| Requires iOS | 16.0 | **15.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Albertronic B.V.](https://appshunter.io/developer/890882604) | [e77code GmbH](https://appshunter.io/developer/1375405425) |

## 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


### BMS Tool

[App page](https://appshunter.io/ios/app/bms-tool/id1511343379)

Monitor your battery management systems via Bluetooth. Supports multiple BMS types including Liontron, XiaoXiang, ANT, and Wattstunde. Offers a screen always-on mode and macOS compatibility.

**Highlights:** Screen Always ON mode, Multiple BMS support, Liontron BMS read-only, XiaoXiang BMS read-only, ANT BMS read-only, Wattstunde LiFePo4 read-only, macOS support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is 123SmartBMS free?

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

### Is BMS Tool free?

BMS Tool is free to download, with in-app purchases available.

### Which has better reviews, 123SmartBMS or BMS Tool?

123SmartBMS is rated higher. 123SmartBMS averages 4.5 out of 5 from 21 ratings, while BMS Tool averages 3.9 from 7 ratings.

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

BMS Tool shows ads; 123SmartBMS does not.

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

123SmartBMS ships an update monthly, and BMS Tool every 2 months. Most recently, 123SmartBMS was updated on September 20, 2026 and BMS Tool on September 16, 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.*