EJBMS vs Supervolt
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EJBMS
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The Apps main feature is to monitor the details of the E&J Lithium battery. 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 State of Health (SOH) Battery Status Individual Cell Voltage Battery Temperature Battery Cycles
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 C° - 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
Screenshots
Verdict
The clearest difference is update cadence: EJBMS at weekly against Supervolt's monthly. EJBMS also leads on iOS requirement (9.0 vs 15.6). On price, ads, in-app purchases and device support 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.
EJBMS ships an update weekly, Supervolt monthly. The most recent releases landed on September 8, 2026 and August 6, 2026 respectively.
| Parameter | EJBMS | Supervolt |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 42.2% of reviews |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | E&Jtechnology | Bauer Trading GmbH |
In-app purchases
EJBMS
No in-app purchases
Supervolt
No in-app purchases
