# BMS Tool vs ABC

The clearest difference is review sentiment: BMS Tool at 71% against ABC's 21%. BMS Tool also leads on rating (3.9 vs 1.8). ABC's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

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

BMS Tool holds the better App Store score, 3.9 against 1.8. Both are backed by a comparable volume of ratings — 7 and 25 respectively. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 21% of ABC's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 16, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | BMS Tool | ABC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews)** | [1.8 (25 ratings)](https://appshunter.io/ios/app/abc-bms/id1597074571/reviews) |
| Number of ratings | 7 | **25** |
| Positive reviews | **71.4% of reviews** | 21.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 9 MB | 6 MB |
| Requires iOS | 15.2 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [春光 宋](https://appshunter.io/developer/1598075757) |

## 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 |


### ABC

[App page](https://appshunter.io/ios/app/abc-bms/id1597074571)

This application serves as a battery management system, connecting users to their secondary batteries. It focuses on protecting the battery, optimizing its utilization, and preventing overcharging and over-discharging. It is suitable for various lithium battery products.

**Highlights:** Secondary battery protection, Optimizes battery utilization, Prevents overcharging, Prevents over-discharging, Supports lithium battery products

**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 ABC free?

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

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

BMS Tool is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while ABC averages 1.8 from 25 ratings.

### Do BMS Tool or ABC have ads?

BMS Tool shows ads; ABC does not.

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

BMS Tool ships an update every 2 months, and ABC every 2 months. Most recently, BMS Tool was updated on September 16, 2026 and ABC on September 18, 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.*