MultiVolt is made and published by Daniel Kofler. AppBrain is an independent app data site and isn't affiliated with Daniel Kofler. The app name, icon, screenshots and description belong to Daniel Kofler and are shown as published on the App Store.
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- Last updated
- September 2, 2026
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Updates seen on the App Store- Version
- 1.0.0
- Launched
- September 2026
No changelog data
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Technology
Found in the app by AppBrain- Price
- Free
- App size
- 43.2 MB
- Content rating
- Everyone
Technologies used by MultiVolt
About the app and developer
About MultiVolt
MultiVolt is an utilities app developed by Daniel Kofler.
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App Information
MultiVolt is freely available from the App Store. The app size is 43.22 MB. The latest version available is 1.0.0. The last update was on September 2, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since September 2026.
Developer information for Daniel Kofler
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By Daniel Kofler, from the App Store
Description by Daniel Kofler Written by the developer, not by AppBrain. Click to read.
The app connects over Bluetooth directly to the battery management system and reads what it measures anyway: state of charge, voltage, current, power, every single cell voltage, temperature and the BMS protection flags. No account, no cloud, no internet.
THE WHOLE BANK AT A GLANCE
Several batteries add up to one balance — weighted by capacity, not simply averaged. A 200 Ah battery at 90 % and a 50 Ah one at 10 % make 74 % together, not 50 %. Runtime is calculated from the smoothed current: a cycling compressor fridge no longer makes the estimate jump between 40 hours and 2 hours.
EVERY CELL ON ITS OWN
Cell voltages as bars, the spread in millivolts, the active balancer. When a cell drifts away, you see it before the BMS shuts down.
LIMITS YOU SET YOURSELF
State of charge, cell voltage high and low, cell drift, temperature, charging in the cold, current. Per-battery limits where batteries differ — a 280 Ah battery takes currents a 100 Ah one does not.
HONEST READINGS
A value the BMS does not report shows as "--", never as zero. Zero is a statement; a missing value is not. When a protocol reports no protection status, it says so — instead of a reassuring green check mark.
TRY IT WITHOUT A BATTERY
Demo mode simulates three batteries with real LiFePO4 physics and stays free forever. You see the whole app before pairing anything.
SUPPORTED SYSTEMS
• Ective and identical Topband modules (also StartCraft, KiloVault, Wattstunde)
• JBD / Xiaoxiang and equivalents
• Daly Smart BMS (D2 series and relatives)
FREE AND PRO
One battery is free — with every reading, all limits, the history and all warnings. MultiVolt Pro monitors up to six batteries at once.
IMPORTANT
MultiVolt is a display and a log, not a safety device. No commands are sent over Bluetooth — the app only reads. Deep discharge protection, cut-off and overcurrent protection belong in the BMS and must work without a phone.
SUBSCRIPTION AND TERMS
MultiVolt Pro is a subscription with a monthly or yearly term. It renews automatically until it is cancelled; cancellation is done in the App Store account at least 24 hours before the current period ends.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://multivolt.dkcloud.at/privacy