Pro BMS vs Terra Supreme Battery
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.
Terra Supreme Battery
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Terra Supreme Battery is the companion app for batteries equipped with our eBM (electronic Battery Monitor) chip. Pair your battery once by scanning its QR code, and the app shows you what you care about: • Live voltage, temperature, and state of charge • A low-voltage alert before your battery lets you down • Warranty status and manufacturing details, always on hand Switch between multiple batteries with a tap — handy for anyone with more than one vehicle, boat, or piece of equipment. Your data stays on your phone. No account, no sign-in, no cloud. REQUIREMENTS A Terra Supreme battery with eBM (sold separately), an iPhone with Bluetooth, and iOS 14 or later.
Screenshots
Verdict
Pro BMS and Terra Supreme Battery are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Pro BMS ships an update every 2 months, Terra Supreme Battery every 3 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | Pro BMS | Terra Supreme Battery |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 35 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Leagend Optoelectronics Co., Ltd. | Terra Supreme Battery LLC |
In-app purchases
Pro BMS
No in-app purchases
Terra Supreme Battery
No in-app purchases
