# BT1000 vs BM6

The clearest difference is review sentiment: BM6 at 46% against BT1000's 0%. BM6 also leads on ratings volume (17 vs 1). BT1000's advantage is rating (5.0 vs 3.2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

BT1000 holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: BM6 has 17 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 0% of BT1000's written reviews are positive against 46% of BM6's, so the app with the better star average is not the one people write more warmly about.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on September 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | BT1000 | BM6 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bt1000/id1273595172/reviews)** | [3.2 (17 ratings)](https://appshunter.io/ios/app/bm6/id1561912036/reviews) |
| Number of ratings | 1 | **17** |
| Positive reviews | 0.0% of reviews | **45.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | Free | Free |
| Size | 6 MB | 64 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [俊华 邹](https://appshunter.io/developer/1276442287) | [Shenzhen Leagend Optoelectronics Co., Ltd.](https://appshunter.io/developer/6798210621) |

## What reviewers say

### BT1000

[App page](https://appshunter.io/ios/app/bt1000/id1273595172)

This application allows users to control Bluetooth battery tester devices. It facilitates testing of battery condition, cranking, and charging systems, with the ability to save and share professional results.

**Highlights:** Bluetooth device control, Battery condition testing, Cranking system analysis, Charging system testing, Data saving, Result sharing

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

**In-app purchases:** none


### BM6

[App page](https://appshunter.io/ios/app/bm6/id1561912036)

Monitor your car's battery in real-time via Bluetooth. This app tests starting and charging systems, records engine start/stop times, and displays all data on your mobile device for easy management of your vehicle's battery power.

**Highlights:** Real-time battery voltage monitoring, Starting system voltage test, Charging system voltage test, Records engine start/stop times, Bluetooth data display, Vehicle battery power management

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is BT1000 free?

BT1000 is free to download, with no in-app purchases.

### Is BM6 free?

BM6 is free to download, with no in-app purchases.

### Which has better reviews, BT1000 or BM6?

BT1000 is rated higher. BT1000 averages 5.0 out of 5 from 1 ratings, while BM6 averages 3.2 from 17 ratings.

### Do BT1000 or BM6 have ads?

Neither BT1000 nor BM6 shows ads.

### Which is updated more often, BT1000 or BM6?

BT1000 ships an update every 5 weeks, and BM6 every 5 weeks. Most recently, BT1000 was updated on September 8, 2026 and BM6 on September 22, 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.*