# BMS Tool vs Autosat Driver

The clearest difference is in-app purchases: Autosat Driver at none against BMS Tool's 1. Autosat Driver also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). BMS Tool's advantage is device support (3 vs 1) and iOS requirement (15.2 vs 18.0). On price there is nothing between them.

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

BMS Tool ships an update every 2 months, Autosat Driver every 3 weeks. The most recent releases landed on September 16, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | BMS Tool | Autosat Driver |
| --- | --- | --- |
| 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 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 19 MB |
| Requires iOS | **15.2** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [e77code GmbH](https://appshunter.io/developer/1375405425) | [ATROM Sp. z o.o. Sp.k.](https://appshunter.io/developer/919660630) |

## 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 |


### Autosat Driver

[App page](https://appshunter.io/ios/app/autosat-driver/id6743931311)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BMS Tool free?

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

### Is Autosat Driver free?

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

### Do BMS Tool or Autosat Driver have ads?

BMS Tool shows ads; Autosat Driver does not.

### Which is updated more often, BMS Tool or Autosat Driver?

BMS Tool ships an update every 2 months, and Autosat Driver every 3 weeks. Most recently, BMS Tool was updated on September 16, 2026 and Autosat Driver on September 19, 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.*