# BMS Tool vs UbetterBMS

The clearest difference is in-app purchases: UbetterBMS at none against BMS Tool's 1. UbetterBMS also leads on ads (none vs shown) and iOS requirement (9.0 vs 15.0). BMS Tool's advantage is update cadence (every 2 months vs every 5 months) and device support (4 vs 2). On price there is nothing between them.

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

BMS Tool ships an update every 2 months, UbetterBMS every 5 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | BMS Tool | UbetterBMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 15 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Ubetter Technology Company Limited](https://appshunter.io/developer/1683475701) |

## What reviewers say

### 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, Apple Watch app

**In-app purchases (1)**

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


### UbetterBMS

[App page](https://appshunter.io/ios/app/ubetterbms/id6448090489)

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

**In-app purchases:** none


## Frequently asked questions

### Is BMS Tool free?

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

### Is UbetterBMS free?

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

### Do BMS Tool or UbetterBMS have ads?

BMS Tool shows ads; UbetterBMS does not.

### Which is updated more often, BMS Tool or UbetterBMS?

BMS Tool ships an update every 2 months, and UbetterBMS every 5 months. Most recently, BMS Tool was updated on October 25, 2026 and UbetterBMS on October 24, 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.*