Comparison

Supervolt vs EJBMS PRO

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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

About

EJBMS PRO

Features
Read full description

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

Supervolt2 screens
EJBMS PRO4 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Supervolt ships an update monthly, EJBMS PRO every 11 months. The most recent releases landed on August 6, 2026 and September 20, 2026 respectively.

Scorecard2 real differences ยท 6 level
Supervolt versus EJBMS PRO: the parameters behind the verdict, then further details
ParameterSupervoltEJBMS PRO
PriceFreeFree
Positive reviews42.2% of reviewsโ€”
Update frequencyMonthly โ€” betterEvery 11 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.612.0 โ€” better
Further details โ€” not scored
Size11 MB43 MB
Age rating4+4+
DeveloperBauer Trading GmbHE&Jtechnology

In-app purchases

None

Supervolt

No in-app purchases

None

EJBMS PRO

No in-app purchases

Questions

Is Supervolt free?
Supervolt is free to download, with no in-app purchases.
Is EJBMS PRO free?
EJBMS PRO is free to download, with no in-app purchases.
Do Supervolt or EJBMS PRO have ads?
Neither Supervolt nor EJBMS PRO shows ads.
Which is updated more often, Supervolt or EJBMS PRO?
Supervolt ships an update monthly, and EJBMS PRO every 11 months. Most recently, Supervolt was updated on August 6, 2026 and EJBMS PRO on September 20, 2026.

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