Supervolt vs EJBMS PRO
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Supervolt
Monitor your LiFePO4 batteries with this app. It displays key parameters like capacity, voltage, current, and temperature. You can connect up to eight batteries simultaneously and name them for easy identification.
- Real-time battery data display
- Capacity and remaining capacity
- Voltage and current monitoring
- Cell voltage and temperature
- Connect up to 8 batteries
- Name individual batteries
- Two dashboard views
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Establishes the connection with supervolt lithium LiFePO4 batteries and clearly displays battery-relevant data. Displayed parameters: - Capacity in Ah - Remaining capacity in Ah - Charge status (SOC) - Volt/voltage in volts - Charge and discharge current in amperes - Battery status - Cycles - Voltage per cell in volts - Temperature in Cยฐ - Remaining usage time based on current consumption - Time remaining until battery full Features: - Connect with up to 8 batteries at the same time - Display values summarized and individually on two dashboards - Listing of batteries - Name batteries - automatic connection when starting the app
EJBMS PRO
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The Apps main feature is to monitor the details of the E&J Lithium batteries. It can monitor multiple batteries at the same time, showing the main data details after series or parallel, showing details of each battery. Re-nameable each battery pack and auto-connect. The Phone via Bluetooth connectivity will monitor the following information from the battery. Battery Capacity Battery Voltage Battery Current (Amps) Battery State of Charge (SOC) Battery Status Individual Cell Voltage Battery Temperature Battery Cycles Please Note: Only one mobile device can connect to the battery at any one time. If you wish to connect a second device to the battery, you must close the program on the first device. This app is only applicable to the E&J Lithium batteries and will not work with any other brand/type of Bluetooth battery monitoring system, nor will any other branded app work with the E&J lithium battery.
Screenshots
Verdict
The clearest difference is update cadence: Supervolt at monthly against EJBMS PRO's every 11 months. EJBMS PRO's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Supervolt ships an update monthly, EJBMS PRO every 11 months. The most recent releases landed on August 6, 2026 and September 20, 2026 respectively.
| Parameter | Supervolt | EJBMS PRO |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 42.2% of reviews | โ |
| Update frequency | Monthly โ better | Every 11 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPod |
| Requires iOS | 15.6 | 12.0 โ better |
| Further details โ not scored | ||
| Size | 11 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Bauer Trading GmbH | E&Jtechnology |
In-app purchases
Supervolt
No in-app purchases
EJBMS PRO
No in-app purchases








