Best Kfz App 2026

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Last Updated - 03.02.2026

Best Choice

01

GEARLASSO

GEARLASSO 8 kW Diesel Auxiliary Heater, 12 V 24 V Air Diesel Heater with App Control, Remote Control, All in One Air Heater, Air Heater with Silencer for Car, RV, Boats, Trucks, Cars with LCD Switch

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9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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【FAST HEATING】 HEATING CAPACITY: 8KW; Rated Voltage: 12V Our efficient diesel heater is designed to keep you warm even in the harshest conditions. With fast heating and the ability to reach a comfortable temperature in just 5-10 minutes. With a working temperature range of -40°C to +50°C, it emits 4700-17000BTU of heat to warm up 215-269ft²/20-25m² in 10 minutes, allowing you to quickly get into a warm environment.
Versatile use: the diesel heater is suitable for a variety of vehicles, including cars, buses, caravans, trucks, construction vehicles and more. It is also perfect for heating homes, garages and shops.
User-friendly control: with a clear LCD display, app control and intuitive remote control, our diesel heater is easy to use. Adjust the temperature, frequency of the oil pump and the heating settings without leaving your seat.
Safe and reliable: the diesel heater from Gearever is intelligently thermostatically controlled and equipped with shut-off mechanisms. The heater can prevent overheating and potential hazards and ensure that the temperature remains within a safe range. And the exhaust is vented outwards, so it can be safely operated during sleep or prolonged use.
Efficient fuel consumption: Our diesel heater has a precision oil pump and a ceramic spark plug that controls the fuel inlet for 100% combustion, resulting in low fuel consumption of only 0.15-0.45 litres/hour. With a 5L/1.3 gallon fuel tank, the diesel air heater can run in maximum gear for 1 night, so you can enjoy a quiet and warm room while minimising your environmental impact.

102,99 €
02

LOKITHOR

LOKITHOR JT400 Jump Starter & Battery Tester, 2500A 12V Jump Starter for up to 8.5L Petrol & 6.5L Diesel, Portable, 2-in-1 Car Battery Tester

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9.7

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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【Wide Application & Multilingual App】Compatible with 12V lead-acid batteries (Flooded, AGM, GEL, EFB; 100-2000 CCA). Supports CCA/EN/SAE/DIN/IEC standards. The app offers 6 languages: German, English, French, Italian, Spanish, Russian - ideal for DIY enthusiasts & car owners.
Reliable & user-friendly battery tool: Built-in Bluetooth 5.3 for real-time battery monitoring via app. Supports health, start & charge tests with display of SOH, SOC, voltage, current & capacity - fast fault analysis saves time & cost.
Power bank and LED emergency light: With USB-C port for charging smartphone, tablet and more. Only 450g - 40% lighter & thinner than comparable devices. Built-in LED flashlight with 6 modes (100%, 50%, 10%, flash, SOS, strobe). Essential emergency tool.
Maximum safety: with integrated battery management system (BMS) and intelligent clamps. 10-way protection: spark, reverse polarity, over-current, over-voltage, overload, overheating & lowest temperature protection - ensures maximum safety during every use.
JT400 - Jump Starter & Battery Tester in one: Powerful jump starter with up to 2500 A peak current, suitable for 12 V vehicles up to 8.5 L petrol and 6.5 L diesel. Starts up to 25 times at -20°C to 60°C. Additional battery test for motorcycle, boat, truck, SUV, ATV and much more.

99,45 €
Value for Money

03

Intact

Keckeisen intAct Battery - Guard Bluetooth® Battery Monitoring App

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16% Off
9.4

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Monitoring of 6, 12 and 24 Volt batteries. Power consumption of only approx. 6 - 24 mW.
Dimensions: L x W x H: 50 x 25 x 17 (in mm). Clamp diameter: 6.8 mm.
Connection cable length: + pin: 310 mm; Pin: 310 mm.
Box contents: 1 x battery guard.
App in the App Store, Google Play Store or in the Microsoft Store (iPhone 4S, Android 4.3, Windows 10 and above.)

20,99 € 24,90 €(16% Off off)
04

KFZ Meister Geschenke für KFZ Mechantroniker

T-Shirt with German Text "KFZ Meister Hierfür Gibt Es Keine App" [German Language

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9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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It is not always a car mechanic thing with car screwdriver fans. KFZ Meister There is no app for this
Funny car mechanic designs as car mechantronic gifts that are car master lovers. Just the thing for mechanics outfits and car screwdriver sayings.
Classic cut, double stitched hem.

17,99 €
05

Lescars

Lescars Battery Tester: Set of 4 Car Battery Monitors with BT, App, for Battery with 6-48 Volt - (Battery Monitor 48 V, Battery Tester Digital, Chargers Car Batteries)

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9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Supports cold start current: 10 - 2,000 CCA Free app for iOS and Android: shows current voltage, start and charging voltage, graphic history and warns when voltage is too low Power supply: directly via battery with 15 to 30 mA)
Monitors the voltage of your vehicle battery with 6, 12, 24 or 48 volts. Bluetooth for wireless data transfer to mobile device. Waterproof: IPX7
For standard battery and battery types: gel, lead acid, AGM (flat), EFB, lithium and LiFePO4. Protection against short circuit, low voltage and reverse polarity. Dimensions of guard: 45 x 28 x 18 mm, pole cable length: each approx. 20cm Weight: 27g
For monitoring batteries with 6 – 48 volts Supports cold start current: 10 – 2,000 CCA For common battery types: gel, lead-acid, AGM (flat), EFB, lithium, LiFePO4 Waterproof according to IPX7 and therefore also ideal for solar and boat batteries Protection against short circuit, low voltage and reverse polarity. ShoShoShoShoShoDisplays Battery via app on smartphone and tablet
4 x car battery monitors including instructions in German. Digital battery tester – also relevant or suitable for: chargers, car batteries, surveillance systems, battery chargers, fridge alarm, solar storage, power station, jump starter, parking, motorcycle, tools, scanner, cool box, LiFePO, 12 V

46,54 €
06

Lescars

Lescars Battery Monitor: Car Battery Monitor with Bluetooth, App, for Batteries with 6-48 Volt (Battery Monitor Bluetooth, 12 V, Solar Chargers for Car Batteries)

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9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Supports cold start current: 10 - 2,000 CCA Bluetooth for wireless data transfer to mobile device Waterproof: IPX7
Monitors the voltage of your vehicle battery with 6, 12, 24 or 48 volts. Compatible with batteries in cars, trucks, hybrid vehicles, boats, caravans, motorcycles and even solar systems. Protection against short circuit, low voltage and reverse polarity. Dimensions of guard: 45 x 28 x 18 mm, pole cable length: each approx. 20cm Weight: 27g
For common battery and battery types: gel, lead acid, AGM (flat), EFB, lithium and LiFePO4. Free app for iOS and Android: shows current voltage, start and charging voltage, graphic history and warns when voltage is too low Power supply: directly via battery with 15 to 30 mA)
Convenient monitoring via app: detects weak batteries in time For common battery types: gel, lead acid, AGM (flat), EFB, lithium, LiFePO4 Compatible with batteries in cars, boats, motorcycles and even solar systems App for real-time monitoring: with alarm function in case of battery malfunction Displays current voltage, start and charging voltage on smartphone and Protection against Short circuit, low voltage and reverse polarity
Car battery monitor including instructions in German. Battery monitor 12 V Bluetooth – also relevant or suitable for: solar chargers for car batteries, surveillance systems, battery chargers, fridge alarm, jump starter, parking, motorcycle, scanner, cool box, monitor, tester. This saves packaging waste and protects the environment.

23,54 €
07

Lescars

Lescars Battery Monitor: Car Battery Monitor with Bluetooth, App, for Batteries with 6-48 Volt (Battery Monitor Bluetooth, 12 V, Solar Chargers for Car Batteries)

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8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Supports cold start current: 10 - 2,000 CCA Bluetooth for wireless data transfer to mobile device Waterproof: IPX7
Monitors the voltage of your vehicle battery with 6, 12, 24 or 48 volts. Compatible with batteries in cars, trucks, hybrid vehicles, boats, caravans, motorcycles and even solar systems. Protection against short circuit, low voltage and reverse polarity. Dimensions of guard: 45 x 28 x 18 mm, pole cable length: each approx. 20cm Weight: 27g
For common battery and battery types: gel, lead acid, AGM (flat), EFB, lithium and LiFePO4. Free app for iOS and Android: shows current voltage, start and charging voltage, graphic history and warns when voltage is too low Power supply: directly via battery with 15 to 30 mA)
Convenient monitoring via app: detects weak batteries in time For common battery types: gel, lead acid, AGM (flat), EFB, lithium, LiFePO4 Compatible with batteries in cars, boats, motorcycles and even solar systems App for real-time monitoring: with alarm function in case of battery malfunction Displays current voltage, start and charging voltage on smartphone and Protection against Short circuit, low voltage and reverse polarity
Car battery monitor including instructions in German. Battery monitor 12 V Bluetooth – also relevant or suitable for: solar chargers for car batteries, surveillance systems, battery chargers, fridge alarm, jump starter, parking, motorcycle, scanner, cool box, monitor, tester. This saves packaging waste and protects the environment.

19,99 €
08

gpslive

GpsLive Geo Track 4G LTE GPS Tracker for Car, Motorhome, Car, Made in Europe, Future-proof Network Coverage, Easy Installation, Live Tracking with App, GPS Tracker Transmitter, Transmitter

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15% Off
8.7

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Our user-friendly cloud GPS tracking platform GPSLive supports Google Maps and provides real-time alerts. The geofencing function allows you to mark zones and receive notifications when the tracker enters or leaves the area. Other alerts such as ignition detection, motion detection, battery voltage indicator, TOW warnings and power failure warnings are also available and can be used at any time.
Fleet management made easy: Manage multiple trackers in one app, export detailed reports and make informed decisions for greater efficiency.
FLEXIBLE PLANS: Enjoy commitment-free tracking with no contracts or hidden fees, starting at just €5.00/month, based on our 36-month plan. Our value packs offer advanced coverage options: €7.99 for 1 month, €44.99 for 6 months, €75.99 for 12 months, €129.99 for 24 months, or €179.99 for 36 months, with you can cancel anytime for maximum flexibility."
Extensive GPS functions: geo-fencing, ignition status detection, motion alarm, battery status, towing alarm, speed alarm, and more for maximum safety.
Easy installation: connect directly to vehicle battery (12V-24V), cable & strong double-sided adhesive pad included. Built-in 190 mAh Li-polymer battery for up to 4 hours tracking in case of power interruption.
An easy to install 2-wire tracking device that automatically detects the ignition status of your vehicle based on voltage changes. Simply loosen the battery terminals of your vehicle and connect the tracker. A quick start guide is included in our app.
4G LTE for ultra-fast & stable location: Future-proof GPS tracking technology – ideal as 2G is switched off in many regions. Works instantly in over 100 countries (including all Europe) thanks to the integrated SIM card. Create account on GPSLive and start directly.

16,06 € 18,90 €(15% Off off)
09

Lescars

Lescars Battery Monitor: Car Battery Monitor with Bluetooth and App, for 12 Volt Batteries (Bluetooth Battery Monitor)

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Trip computer: Time log of engine running times via app, short circuit and reverse polarity protection. Monitor dimensions: 55 x 35 x 16 mm. Pole cable length: 20 cm. Weight: 31 g
Monitors the voltage of your vehicle battery with 12 volts. Free app for iOS 7.1 and Android from 4.3: Shows current voltage, start and charging voltage, graphical history and warns when voltage is too low. Power supply: Directly via car battery, 1 mA
Car battery monitor including instructions in German. Battery monitoring - also relevant or suitable for: Car battery charger, cigarette lighter, battery charger, voltage converter, power adapter, battery adapter, charging function, car battery, jump starter, car test, gauge, motor-home, motorcycle, 12 V, camping, monitor, scooter, Apple
Bluetooth for wireless data transfer to mobile device Displays battery voltage via app on smartphone and tablet PC Warns when voltage is too low With graphic evaluation
Bluetooth 4.0: For wireless data transmission to smartphone, tablet PC, iPhone and iPad Operating temperature range: -40 to +90 °C

31,94 €
10

ANCEL

ANCEL BM200 Battery Monitor for 12 V Lithium (LiFePO4) and Lead Acid Batteries (Wet, EFB, AGM, Gel), Car Battery Monitor Bluetooth Battery Tester with Cranking & Charging Test, Alarm, Record Voltage

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15% Off
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Worldwide indispensable 12 V car tool: perfect for users worldwide, without regional restrictions. The BM200 battery monitor has low energy consumption and continuously monitors the battery status after installation. RECOMMENDED BY WORKSHOPS AND A MUST HAVE FOR CAR ENTHUSIASTS - This excellent battery tester is worth its money. WE LISTEN: We take your suggestions about the BM200 battery monitor and optimize every detail. Whether you have any questions or ideas, we will help promptly.
Vehicle search function: The ANCEL BM200 battery monitor also supports real-time battery monitoring, intelligent warnings, multi-vehicle management and location tracking. It is not only a battery tester, but your versatile vehicle assistant. Designed for drivers who appreciate worry-free driving in everyday life and avoiding sudden battery problems. The device can automatically record parking positions and provide a vehicle search via navigation. (Note: The vehicle tracking function requires GPS permissions to detect the vehicle position.)
Upgrade battery monitor and versatile application: the ANCEL BM200 Bluetooth battery monitor is your first choice for testing 12 V lead-acid batteries (wet batteries, EFB, AGM, GEL batteries) and lithium batteries (LiFePO4). The battery monitor also offers advanced features such as voltage testing, start test, charge system testing, fault messages and real-time error logging to keep your car battery optimal. Whether car, motorcycle, truck, caravan or boat - this 12V battery tester meets all requirements.
Start and charge system test: The ANCEL BM200 Bluetooth car battery tester can also perform start and charging tests. The start test checks the starting voltage and evaluates the battery power when starting to ensure that the alternator provides enough power. The charging test checks the efficiency of the battery, alternator and circuit - for smooth operation of your vehicle without surprises. With reliable and precise performance, the BM200 helps you always have important data at hand and cope with any road position.
Safe and reliable with fault messages: the BM200 battery guard has reverse polarity protection, short circuit protection and other safety technologies for your protection during operation. Important is the intelligent warning function: in case of battery failures or abnormal voltage/power values, you will be notified via the app, so you can drive with peace of mind. With IP67 water protection, laser-ground housing and strong 3M adhesive, the device keeps it stable in any weather.
Quick installation and permanent connection: Simply connect the voltage monitor to the positive and negative pole of the battery, scan the product barcode with the app (ANCEL BM200) and stick the monitor to the battery with the M3 sticker - battery monitoring has never been so easy. After installation, the connection remains stable without frequent readjustment. Open the app at any time to see voltage, temperature, charge level and other battery health values. For the most accurate data, install the device two hours after turning off the motor if the voltage is stable.
Note: Some mobile phones limit background services, which may delay notifications. Please enable the necessary permissions manually to receive timely alerts. Otherwise, you need to open the app and connect the device to get notifications.
Free app: The product app is called "ANCEL BM200". Scan the code on the back of the device or in the user manual for download. Open the app and connect via Bluetooth. With intelligent chip technology, this battery tester delivers extremely precise battery health data with every test. Compatible with iOS and Android. One app can simultaneously monitor battery data from up to 4 devices - ideal for household battery management.
Bluetooth connection and real-time data recording: Bluetooth 4.2 makes data transfer faster and more stable. No more waiting under the bonnet - get real-time battery information in the vehicle or within 15-30 feet (approx. 4.5-9 m). Convenient monitoring of battery status in heat, cold or rain. The BM200 consumes only 1.5 mA on average and minimises the load on the battery. The device automatically records battery data every 2 minutes and stores 30 days history, so you can track the power status at any time.

22,59 € 26,58 €(15% Off off)