# BMS Tool vs JK BMS

The clearest difference is in-app purchases: JK BMS at none against BMS Tool's 1. JK BMS also leads on ads (none vs shown) and review sentiment (100% vs 71%). On price, ratings volume, device support and iOS requirement there is nothing between them.

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

JK BMS holds the better App Store score, 4.3 against 3.9. Both are backed by a comparable volume of ratings — 7 and 7 respectively. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 100% of JK BMS's.

BMS Tool ships an update every 2 months, JK BMS weekly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | BMS Tool | JK BMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews) | **[4.3 (7 ratings)](https://appshunter.io/ios/app/jk-bms/id6773679719/reviews)** |
| Number of ratings | 7 | 7 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 17 MB |
| Requires iOS | **15.2** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [鹏 张](https://appshunter.io/developer/1425725690) |

## 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

**In-app purchases (1)**

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


### JK BMS

[App page](https://appshunter.io/ios/app/jk-bms/id6773679719)

This utility app connects via Bluetooth to an active balancer for battery management. It allows for real-time monitoring of system status, setting operational parameters, and controlling battery management devices.

**Highlights:** Real-time status monitoring, Running parameter settings, Battery management system device control, Bluetooth connectivity, Active balancer integration

**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 JK BMS free?

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

### Which has better reviews, BMS Tool or JK BMS?

JK BMS is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while JK BMS averages 4.3 from 7 ratings.

### Do BMS Tool or JK BMS have ads?

BMS Tool shows ads; JK BMS does not.

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

BMS Tool ships an update every 2 months, and JK BMS weekly. Most recently, BMS Tool was updated on October 3, 2026 and JK BMS on October 11, 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.*