Pro BMS vs ANCEL BM300 Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pro BMS
This utility app measures and displays real-time battery parameters like voltage, current, and capacity. It offers customizable protection functions and allows for voltage/current curve export. Control and monitoring are available via a mobile app.
- Real-time voltage and current measurement
- Power, charge, and discharge capacity monitoring
- Customizable protection functions (overvoltage, overcurrent, etc.)
- Color LCD display of comprehensive data
- Voltage and current curve display and export
- Mobile app control and communication
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The Pro BMS series voltage and ammeter is a new coulomb meter that can measure various physical parameters such as voltage, current, power, charge and discharge capacity, watt-hour, time, etc. At the same time, parameters can also be set to realize various protection functions such as overvoltage protection, undervoltage protection, overcurrent protection, overpower protection, overtemperature protection and time-limited protection. The meter can automatically identify the direction of current flow In addition, the battery capacity can be monitored in real time and the measured data is displayed on a color LCD, which displays comprehensive and user-friendly information. The Pro BMS series voltage and ammeter adds the function of displaying and exporting voltage and current curves based on the original functions. At the same time, it can be controlled by mobile APP and communication.
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: ANCEL BM300 Pro at 2.8 against Pro BMS's 1.0. ANCEL BM300 Pro also leads on ratings volume (23 vs 1). On price, update cadence, ads and in-app purchases 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.
ANCEL BM300 Pro holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: ANCEL BM300 Pro has 23 ratings behind it against 1, so its average is the more settled of the two.
Pro BMS ships an update every 2 months, ANCEL BM300 Pro monthly. The most recent releases landed on October 13, 2026 and October 21, 2026 respectively.
| Parameter | Pro BMS | ANCEL BM300 Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 2.8 (23 ratings) — better |
| Positive reviews | — | 36.8% of reviews |
| Number of ratings | 1 | 23 — better |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod, Apple Watch — better |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 35 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | OBDSPACE TECHNOLOGY CO.,LTD |
Customer experience
Pro BMS
ANCEL BM300 Pro
In-app purchases
Pro BMS
No in-app purchases
ANCEL BM300 Pro
No in-app purchases
