Big Beard Battery vs Pro BMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big Beard Battery
Monitor and control your battery's active equalizer settings remotely via Bluetooth. View real-time status and adjust operating parameters for optimal performance.
- Real-time status monitoring
- Operating parameter settings
- Bluetooth connectivity
- Active equalizer control
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This APP is used in the battery management system, and connects to the active equalizer of the extreme space technology through Bluetooth to realize the parameter display and setting of the active equalizer. The specific function modules are as follows: -Real-time status monitoring; -Setting of operating parameters;
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.
Screenshots
Verdict
The clearest difference is rating: Big Beard Battery at 5.0 against Pro BMS's 1.0. Pro BMS's advantage is update cadence (every 2 months vs every 6 months). On price, ratings volume, 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.
Big Beard Battery holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Big Beard Battery ships an update every 6 months, Pro BMS every 2 months. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.
| Parameter | Big Beard Battery | Pro BMS |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 1.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 35 MB | 35 MB |
| Age rating | 17+ | 4+ |
| Developer | 鹏 张 | Shenzhen Leagend Optoelectronics Co., Ltd. |
Customer experience
Big Beard Battery
Pro BMS
In-app purchases
Big Beard Battery
No in-app purchases
Pro BMS
No in-app purchases
Questions
Is Big Beard Battery free?
Is Pro BMS free?
Which has better reviews, Big Beard Battery or Pro BMS?
Do Big Beard Battery or Pro BMS have ads?
Which is updated more often, Big Beard Battery or Pro BMS?
Other comparisons
