BM6 vs Battery Asst
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BM6
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.
- 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
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Battery monitor 6 is an application of automobile battery. It can let people know the voltage of automobile battery in real time. It helps users fully understand the battery by testing the starting and charging system voltage. It can accurately record the time of car starting and stopping. All data can be displayed on the mobile phone through Bluetooth. Easy management of vehicle battery power
Battery Asst
Monitor your car battery's voltage in real time. This practical app displays the starting and charging system voltages, providing a comprehensive understanding of your car battery's condition directly on your mobile device via Bluetooth.
- Real-time car battery voltage display
- Monitor starting system voltage
- Monitor charging system voltage
- Bluetooth data transmission
- All-round battery condition understanding
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1. Battery Asst is an application assistant specially designed for car batteries. It is a practical APP that allows users to view the voltage of the car battery in real time. 2. It can monitor the voltage of the car's starting system and the charging system in real time, helping users to understand the characteristics of the car battery in an all-round way. 3. Transmit data to mobile phone via bluetooth for real-time viewing
Screenshots
Verdict
The clearest difference is rating: Battery Asst at 4.0 against BM6's 3.3. Battery Asst also leads on iOS requirement (9.0 vs 15.6). BM6's advantage is review sentiment (46% vs 20%). On price, ratings volume, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Battery Asst holds the better App Store score, 4.0 against 3.3. Both are backed by a comparable volume of ratings — 18 and 8 respectively. Written reviews complicate that: 46% of BM6's written reviews are positive against 20% of Battery Asst's, so the app with the better star average is not the one people write more warmly about.
BM6 ships an update every 5 weeks, Battery Asst monthly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.
| Parameter | BM6 | Battery Asst |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (18 ratings) | 4.0 (8 ratings) — better |
| Positive reviews | 45.8% of reviews — better | 20.0% of reviews |
| Number of ratings | 18 — better | 8 |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch — better | iPhone, iPod |
| Requires iOS | 15.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 64 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | 婷 赵 |
Customer experience
BM6
Battery Asst
In-app purchases
BM6
No in-app purchases
Battery Asst
No in-app purchases









