BM6 vs ANCEL BM300 Pro
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
ANCEL BM300 Pro
This app monitors 6V, 12V, and 24V batteries, allowing simultaneous tracking of up to four. It provides insights into battery health by testing startup and charging system voltage, and accurately records vehicle start and stop times. All data is accessible on your phone via Bluetooth for easy vehicle battery management.
- Monitors 6V, 12V, 24V batteries
- Simultaneous monitoring of four batteries
- Tests startup and charging system voltage
- Records vehicle start/stop times
- Bluetooth data display on phone
- Vehicle battery power management
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ANCEL BM300 Pro is an application for monitoring 6V, 12V, and 24V batteries. It can simultaneously monitor the voltage of four batteries. It helps users fully understand the battery by testing the startup and charging system voltage. It can accurately record the time when a car starts and stops. All data can be displayed on the phone through Bluetooth. Easy to manage vehicle battery power
Screenshots
Verdict
The clearest difference is rating: BM6 at 3.2 against ANCEL BM300 Pro's 2.8. BM6 also leads on review sentiment (46% vs 37%). 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.
BM6 holds the better App Store score, 3.2 against 2.8. Both are backed by a comparable volume of ratings — 17 and 21 respectively. Written reviews point the same way: 46% of BM6's written reviews are positive against 37% of ANCEL BM300 Pro's.
BM6 ships an update every 5 weeks, ANCEL BM300 Pro monthly. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.
| Parameter | BM6 | ANCEL BM300 Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 3.2 (17 ratings) — better | 2.8 (21 ratings) |
| Positive reviews | 45.8% of reviews — better | 36.8% of reviews |
| Number of ratings | 17 | 21 — better |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 64 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | OBDSPACE TECHNOLOGY CO.,LTD |
Customer experience
BM6
ANCEL BM300 Pro
In-app purchases
BM6
No in-app purchases
ANCEL BM300 Pro
No in-app purchases
