Comparison

Supervolt vs Roamer BMS

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

Roamer BMS

Monitor your LiFePO4 batteries wirelessly from your iPhone. View real-time state of charge, voltage, current, and internal cell voltages. Compatible only with second-generation Roamer Batteries Smart BMS.

Highlights
  • Wireless Bluetooth connection
  • Real-time battery monitoring
  • State of charge display
  • Voltage and current readings
  • Internal cell voltage display
  • BMS parameter adjustment (admin)
Features
Read full description

The Roamer BMS app allows you to monitor LiFePO4 batteries equipped with the new Roamer Batteries Smart BMS. Please note, this app is only suitable for second-generation Roamer Batteries. Other brands or first-generation models are not compatible. FEATURES No need for a separate battery monitor Wirelessly connect to your battery from your iPhone Monitor your battery state of charge, voltage and current in real time Displays internal battery status including cell voltages Change BMS parameters using admin password (request from Roamer) PLEASE NOTE The iPhone requires Bluetooth 5.0 with BLE functions You must accept all security permissions when requested or the app will not work Operating distance should be less than 10m The app will only connect with one battery at a time If you want to connect with another iPhone, please shutdown the app on the first iPhone The password for the Details page is in the user guide which can be downloaded from www.roamerbatteries.com/support/quick-start The password for the parameters page can be requested from Roamer. This is an admin only page, changing parameters without permission from Roamer can invalidate your battery warranty. ย  Offered by Roamer Batteries Ltd

Screenshots

Supervolt2 screens
Roamer BMS4 screens

Verdict

The call

The clearest difference is review sentiment: Supervolt at 42% against Roamer BMS's 17%. Roamer BMS's advantage is iOS requirement (11.0 vs 15.6). On price, update cadence, ads and in-app purchases 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, Roamer BMS every 2 weeks. The most recent releases landed on August 6, 2026 and June 4, 2026 respectively.

Scorecard2 real differences ยท 6 level
Supervolt versus Roamer BMS: the parameters behind the verdict, then further details
ParameterSupervoltRoamer BMS
PriceFreeFree
Positive reviews42.2% of reviews โ€” better16.7% of reviews
Update frequencyMonthlyEvery 2 weeks โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.611.0 โ€” better
Further details โ€” not scored
Size11 MB5 MB
Age rating4+4+
DeveloperBauer Trading GmbHๆญฅๆณฝ ็Ž‹

Customer experience

Supervolt

Written reviews45 reviews
Positive42.2%
Neutral11.1%
Negative46.7%

Roamer BMS

Written reviews12 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

In-app purchases

None

Supervolt

No in-app purchases

None

Roamer BMS

No in-app purchases

Questions

Is Supervolt free?
Supervolt is free to download, with no in-app purchases.
Is Roamer BMS free?
Roamer BMS is free to download, with no in-app purchases.
Do Supervolt or Roamer BMS have ads?
Neither Supervolt nor Roamer BMS shows ads.
Which is updated more often, Supervolt or Roamer BMS?
Supervolt ships an update monthly, and Roamer BMS every 2 weeks. Most recently, Supervolt was updated on August 6, 2026 and Roamer BMS on June 4, 2026.

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