Vehicle Power Meter at App Store analyse

App power index: 100 (based on ranks around App Stores today)
Utilities Productivity
Developer: Satoshi Mori
Price: 0 free
Current version: 1.3.0, last update: 4 years ago
First release : 21 Jan 2018
App size: 14.68 Mb
4.2 ( 8672 ratings )
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Estimation application downloads and cost

> 2.2k
Monthly downloads
~ $ 900
Estimation App Cost


With the "Vehicle Power Meter" you can easily measure the power without bringing the car to the tuning shop.

Please use it for tuning and condition management of a your car

* There are vehicle conditions that can be measured, so be sure to check the details.

Features of the application
· Accurate measurement based on physical law
· Support various units
· Easy-to-read digital display
· Measurement results are displayed in table and graph

Measuring method
Actually make the vehicle full throttle and calculate power and torque from GPS location information

Adaptation condition
· Manual gearbox or Automatic gearbox that can lock up
(No slip between engine and tire)
· It is possible to input the vehicle information necessary for the measurement to be described later


Vehicle information necessary for measurement
· Cd (Constant Drag) * Selectable from preset
· Frontal area * Selectable from preset
· Vehicle Weight (stated in the vehicle specification table)
· Loading weight (weight of driver, passenger and cargo)
· Diameter of drive wheel * Calculated automatically from tire size
· RRC(Rolling resistance coefficient) * Selectable from preset
· Transmission Gear ratio of gear used for measurement (measurement with gear closer to 1.0 is recommended)
· Differential gear Ratio
· Outside temp


Preset value
Select body type
Coupe: Cd value 0.30 Frontal area 2.08 m²
Sedan: Cd value 0.32 Frontal area 2.16 m²
Hatchback: Cd value 0.31 Frontal area 1.96 m²
SUV: Cd value 0.37 Frontal area 2.70 m²
Minivan: Cd value 0.34 Frontal area 3.13 m²
Wagon: Cd value 0.32 Frontal area 2.16 m²
Pickup: Cd value 0.39 Frontal area 2.71 m²
Van: Cd value 0.40 Frontal area 3.17 m²

Select rolling resistance performance
AAA: 6.500
AA: 7.150
A: 8.400
B: 10.500
C: 11.300

Notes
A large error may occur in the measurement result unless the following conditions are satisfied during measurement
· The road surface is flat and there is no gradient
· No strong wind is blowing
· Fix the device (iPhone, iPad) to the vehicle
· Good reception of GPS (not possible inside tunnel)
· Do not shift from the measurement gear (lock up the gear and do not kick down)

Other
· The GPS measurement interval is about 1 second according to the specification of the device. Measurement results become rough in vehicles where acceleration is too fast. In that case, please measure with a higher gear.

* For safety, please do not use this application on public road
* An error may occur in the measurement result depending on various conditions
* The developer assumes no responsibility for any damage caused by using this application
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Available in countries
Country Price
Canada 3.99 CAD
China 18 CNY
France 3.49 EUR
Germany 3.49 EUR
Italy 3.49 EUR
Netherlands 3.49 EUR
Portugal 3.49 EUR
Spain 3.49 EUR
UK 2.99 GBP
India 249 INR
Japan 370 JPY
Korea, Republic Of 999.99 KRW
Poland 13.99 PLN
Russia 229 RUB
Turkey 19.99 TRY
USA 2.99 USD
Korea, Republic Of 3.29 USD
Ukraine 2.99 USD
Available for devices
iPad2Wifi, iPad23G, iPhone4S, iPadThirdGen, iPadThirdGen4G, iPhone5, iPodTouchFifthGen, iPadFourthGen, iPadFourthGen4G, iPadMini, iPadMini4G, iPhone5c, iPhone5s, iPadAir, iPadAirCellular, iPadMiniRetina, iPadMiniRetinaCellular, iPhone6, iPhone6Plus, iPadAir2, iPadAir2Cellular, iPadMini3, iPadMini3Cellular, iPodTouchSixthGen, iPhone6s, iPhone6sPlus, iPadMini4, iPadMini4Cellular, iPadPro, iPadProCellular, iPadPro97, iPadPro97Cellular, iPhoneSE, iPhone7, iPhone7Plus, iPad611, iPad612, iPad71, iPad72, iPad73, iPad74, iPhone8, iPhone8Plus, iPhoneX,