Comparison

POWERKÖNIG vs BRUNNER

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

Head to head
About

POWERKÖNIG

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This is the exclusive POWERKÖNIG Bluetooth Battery Monitor APP 1) You can monitor your battery on your phone directly from the BMS. 2) APP will list batteries within signal distance on the "BATTERY" tab, and you may disconnect and connect to a battery on the connections tab. 3) Displays detailed battery operating information on the "Main" tab including: State of Charge Percentage, Voltage, Current, Battery Temperature, Charge switch, Discharge switch and so on. 4) The "INFORMATION" tab displays more detailed information including: Battery Model , Nominal voltage, Capcity and Charging voltage. 5) This APP functions through Bluetooth 5.0. 6) Maximum distance of communication on a typical phone is 10 meters. 7) Each battery will only allow one Bluetooth connection at a time.

About

BRUNNER

Features
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Discover the official Brunner app for the new Polarys Twinair air conditioner, the perfect solution for a pleasant cooling experience in your recreational vehicle during the hottest days and nights. Easy to install and use, ready in just a few minutes. Thanks to modern technology, the Polarys Twinair is extremely efficient and energy-saving. With a cooling capacity of 900W (3000 BTU) or 1460W (5000 BTU), it keeps rooms up to 25/30 m³ cool, making it ideal for recreational vehicles and mobile homes. Download the app to easily control your Polarys Twinair air conditioner, adjust the temperature, monitor consumption, status, and functions directly from your mobile device. Ensure maximum comfort wherever you are!

Screenshots

POWERKÖNIG3 screens
BRUNNER4 screens

Verdict

The call

The clearest difference is update cadence: POWERKÖNIG at every 5 months against BRUNNER's every 13 months. POWERKÖNIG also leads on iOS requirement (10.0 vs 14.0). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

POWERKÖNIG ships an update every 5 months, BRUNNER every 13 months. The most recent releases landed on October 3, 2026 and September 25, 2026 respectively.

Scorecard2 real differences · 4 level
POWERKÖNIG versus BRUNNER: the parameters behind the verdict, then further details
ParameterPOWERKÖNIGBRUNNER
PriceFreeFree
Update frequencyEvery 5 months — betterEvery 13 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.0 — better14.0
Further details — not scored
Size12 MB210 MB
Age rating4+12+
DeveloperLeuchtwert Service GmbHBRUNNER SRL/GmbH

In-app purchases

None

POWERKÖNIG

No in-app purchases

None

BRUNNER

No in-app purchases

Questions

Is POWERKÖNIG free?
POWERKÖNIG is free to download, with no in-app purchases.
Is BRUNNER free?
BRUNNER is free to download, with no in-app purchases.
Do POWERKÖNIG or BRUNNER have ads?
Neither POWERKÖNIG nor BRUNNER shows ads.
Which is updated more often, POWERKÖNIG or BRUNNER?
POWERKÖNIG ships an update every 5 months, and BRUNNER every 13 months. Most recently, POWERKÖNIG was updated on October 3, 2026 and BRUNNER on September 25, 2026.

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