---
title: "Gear Speed - Brushless RC Speed Calculator - Reviews, Revenue and Downloads in United States | Apple App Store"
description: "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 you"
---

# Gear Speed - Brushless RC Speed Calculator — United States

![Gear Speed App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple3/v4/a8/b5/73/a8b57387-7b72-ed1e-f57c-a0a5586d5854/mzl.hiarxqio.png/434x0w.png)

**Developer:** [Ultra Software Solutions](https://apptail.io/developer/ultra-software-solutions-Gkbb)
**Category:** Utilities
**Rating:** 3.8/5 (120 ratings)
**Price:** $0.99
**Bundle ID:** com.ultrasoftwaresolutions.GearSpeed
**Store:** Apple App Store
**Country:** United States
**Version:** 2.1.0 (released 2015-09-26)
**Original Release:** 2014-07-20
**Languages:** English

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id898565895)
**AppTail Page:** [https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/united-states](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/united-states)

## Gear Speed Description
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 car's information.

## Gear Speed Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple6/v4/45/71/b2/4571b2e2-6a66-d8f0-f855-b74a66c46aa1/pr_source.png/640x920.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple30/v4/3e/0c/1f/3e0c1fe7-6bdf-65e1-9b4b-f40a42862069/mzm.iatbsybe.png/640x920.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple2/v4/12/3e/df/123edf25-c4bf-3039-880e-e7af4589eb56/pr_source.png/640x920.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple4/v4/0a/6b/da/0a6bdaff-b35f-cf9c-489a-596efb2324cf/pr_source.png/640x920.png)

## Gear Speed Rating Breakdown in United States
- 5 stars: 60 (50%)
- 4 stars: 25 (21%)
- 3 stars: 10 (8%)
- 2 stars: 2 (2%)
- 1 stars: 23 (19%)

## Gear Speed Reviews in United States

### ****- "Suggestion"
Only thing this app needs is a kv and equivalent gear comparison between 48p,32p/ 0.8mod and mod1
-- Mo sept,32018, 2024-10-05

### **--- "RK"
Not worth the 99 cents. There are ones on line that are better for free.
-- Ziggyseal, 2024-09-10

### ***-- "Eh"
Useful but lately sometimes my days saves sometimes it resets and I have to input the data again!
-- uggadugga, 2024-06-16

### *---- "Not working"
Every time I click on app it open to a blank screen with an + sign and I click it ,it goes back to my phone screen
-- tobybatten2, 2024-05-11

### *---- "Never worked at all"
The app comes up
Then I choose the + 
And the app disappears 
Just like my dollar
-- GCD, 2024-02-03

### *---- "Not impressed"
Doesn’t do anything.  Can’t believe I wasted a whole dollar on this.
-- #wanttheoldappback, 2023-04-22

### ***** "the best for speed runners in the rc world"
It’s just the best app you can possibly get to do your gearing for rc cars and you won’t find a more accurate app out there anywhere i’ve looked it’s worth the money
-- babi 🥰🥰, 2023-03-01

### *---- "Wrong info"
It used to give me pretty accurate info. Now, with that same info it predicts my RC will go 3467MPH? Created new sheet and still show same. Please correct if your going to charge for this app.
-- Bertobez1, 2022-10-08

### ***** "Rc"
Cool app definitely helps alot
-- traxxas killer, 2022-10-07

### ***-- "32p and 48p is different"
This app should have different gear pitch types
-- Gsrboy171, 2022-05-27

[View all Gear Speed reviews and detailed analytics on AppTail](https://app.apptail.io/signup?utm_campaign=ai-crawl&utm_content=reviews)


## Gear Speed Store Rankings
| Chart | Country | Category | Rank |
|-------|---------|----------|------|
| Top Paid | Malaysia | Utilities | #192 |
| Top Paid | Dominican Republic | Utilities | #222 |

## Gear Speed Discovered Keywords
- rc gear ratio picker
- gear speed
- motor genie® calculator

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## Gear Speed Available In
- [United States](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/united-states)
- [United Kingdom](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/united-kingdom)
- [Canada](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/canada)
- [Australia](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/australia)
- [Malaysia](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/malaysia)
- [United Arab Emirates](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/united-arab-emirates)
- [Taiwan](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/taiwan)
- [Indonesia](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/indonesia)
- [Vietnam](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/vietnam)
- [Brazil](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/brazil)
- [Hong Kong SAR China](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/hong-kong)
- [Israel](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/israel)
- [Russia](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/russia)
- [Singapore](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/singapore)
- [Algeria](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/algeria)
- [Ecuador](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/ecuador)
- [Egypt](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/egypt)
- [Switzerland](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/switzerland)
- [Azerbaijan](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/azerbaijan)
- [Belarus](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/belarus)
- [Uzbekistan](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/uzbekistan)
- [India](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/india)
- [Iceland](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/iceland)
- [Japan](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/japan)
- [South Korea](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/south-korea)
- [Kuwait](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/kuwait)
- [Kazakhstan](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/kazakhstan)
- [Lebanon](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/lebanon)
- [Madagascar](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/madagascar)
- [Mexico](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/mexico)
- [Brunei](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/brunei)
- [Nigeria](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/nigeria)
- [Norway](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/norway)
- [Nepal](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/nepal)
- [New Zealand](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/new-zealand)
- [Peru](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/peru)
- [Philippines](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/philippines)
- [Pakistan](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/pakistan)
- [Argentina](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/argentina)
- [Saudi Arabia](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/saudi-arabia)
- [South Africa](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/south-africa)
- [Thailand](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/thailand)
- [Türkiye](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/turkey)
- [Bahrain](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/bahrain)
- [Ukraine](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/ukraine)
- [Chile](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/chile)
- [China](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/china)
- [Colombia](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/colombia)
- [Dominican Republic](https://apptail.io/app/gear-speed-brushless-rc-speed-calculator-bdK/dominican-republic)

---

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