# BMS Tool vs BMS Pal

The clearest difference is rating: BMS Pal at 5.0 against BMS Tool's 3.9. BMS Pal also leads on ads (none vs shown) and update cadence (every 5 days vs every 6 weeks). BMS Tool's advantage is ratings volume (7 vs 1) and iOS requirement (16.0 vs 26.2). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. BMS Tool sells 1 one-off in-app purchase and BMS Pal sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BMS Pal holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: BMS Tool has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 71% of BMS Tool's written reviews are positive against 100% of BMS Pal's.

BMS Tool ships an update every 6 weeks, BMS Pal every 5 days. The most recent releases landed on November 10, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | BMS Tool | BMS Pal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/bms-tool/id1511343379/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bms-pal/id6806738803/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 21 MB | 25 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [Inquiring Minds, Inc](https://appshunter.io/developer/6806738805) |

## 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 | $3.99 | one-time |


### BMS Pal

[App page](https://appshunter.io/ios/app/bms-pal/id6806738803)

Consolidate data from various battery management systems into a single, live list. Monitor state of charge, voltage, current, and more with detailed per-cell views and historical charts. Offers advanced features like capacity testing and AI-powered sanity checks for your battery packs.

**Highlights:** Live telemetry from multiple BMS, Per-cell voltage and balancing indicators, Protection alerts in plain language, Group packs for combined readings, Capacity test and history logging, Chemistry detection and override, AI-powered sanity checks

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Additional Sanity Checks | $2.00 | one-time |
| BMS Pal Unlock (Lifetime) | $5.00 | one-time |


## Frequently asked questions

### Is BMS Tool free?

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

### Is BMS Pal free?

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

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

BMS Pal is rated higher. BMS Tool averages 3.9 out of 5 from 7 ratings, while BMS Pal averages 5.0 from 1 ratings.

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

BMS Tool shows ads; BMS Pal does not.

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

BMS Tool ships an update every 6 weeks, and BMS Pal every 5 days. Most recently, BMS Tool was updated on November 10, 2026 and BMS Pal on November 6, 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.*