Gear Speed - Brushless RC Speed Calculator at App Store analyse

App power index: 145 (based on ranks around App Stores today)
Utilities Sports
Developer: Ultra Software Solutions, LLC
Price: 0 free
Current version: 2.1.0, last update: 6 years ago
First release : 19 Jul 2014
App size: 2.04 Mb
4.6 ( 4016 ratings )
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Estimation application downloads and cost

> 3.19k
Monthly downloads
~ $ 1.31k
Estimation App Cost


Gear Speed is the best gearing tool for your brushless RC car. Forget the slow web calculators with limited features. Gear Speed was designed for you and your speed quest.

Gear Speed calculates your maximum speed. It stores your setups, allows you to include notes for your runs and your setup changes. You can also email this information for permanent record keeping.

Calculates: Speed (MPH/KPH), RPM, Final Drive Ratio, Rollout (now in Inches and MM).
Given: Pinion Size, Spur Size, Transmission Ratio, Tire Diameter (inches/mm), Motor KV, LiPo cell count and cell voltage.

Gear Speed now handles from 1S to 12S LiPo batteries.

Please contact us at ussapps.com to let us know how to make this app even better. Happy racing!

* Note: The above screens are sample setups, you will need to enter your own cars information.
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# Term Store county Place Priority
1 spocket 19
Available in countries
Country Price
Canada 0.99 CAD
China 8 CNY
France 0.99 EUR
Germany 0.99 EUR
Italy 0.99 EUR
Netherlands 0.99 EUR
Portugal 0.99 EUR
Spain 0.99 EUR
Poland 1.09 EUR
UK 0.99 GBP
India 99 INR
Japan 100 JPY
Korea, Republic Of 1100 KRW
Poland 4.99 PLN
Russia 99 RUB
Turkey 29.99 TRY
USA 0.99 USD
Korea, Republic Of 1.09 USD
Ukraine 0.99 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, iPad75, iPad76, iPhoneXS, iPhoneXSMax, iPhoneXR, iPad812, iPad834, iPad856, iPad878, iPadMini5, iPadMini5Cellular, iPadAir3, iPadAir3Cellular, iPodTouchSeventhGen, iPhone11, iPhone11Pro, iPadSeventhGen, iPadSeventhGenCellular, iPhone11ProMax, iPhoneSESecondGen, iPadProSecondGen, iPadProSecondGenCellular, iPadProFourthGen, iPadProFourthGenCellular,