Gear Speed - Brushless RC Speed Calculator

🇺🇸 United States
Jason Johnson  | 
28
ASO score
Text
36/100
Reviews
0/100
Graphic
42/100
Other
0/100
rating
App Rating
4
rating
Votes
171
rating
App Age
11y 5m
rating
Last Update
May 07, 2021

Compare with Category Top Apps

Metrics
Current App
Category Top Average
Difference
Rating
3.54
4.55
-22%
Number of Ratings (Voted)
153
302.8K
-100%
App Age
11y 5m
9y 4m
+22%
Price
$1
$0
In-app Purchases Price
$0
$66
Update Frequency
1683d
55d
+2 957%
Title Length
42
22
+91%
Subtitle Length
0
24
Description Length
833
2 570
-68%
Number of Screenshots
285
1498
-81 %
Size
0MB
210MB

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Top Dec 07, 2025 Dec 14, 2025
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Top Dec 07, 2025 Dec 14, 2025
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Top Dec 07, 2025 Dec 14, 2025
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Ranking Keywords in United States

Keywords App Rank
Illustration
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Text ASO

Title (
Characters: 42 of 30
)
Gear Speed - Brushless RC Speed Calculator
Subtitle (
Characters: 0 of 30
)
Description (
Characters: 833 of 4000
)
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.}
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Visual ASO

Screenshots

Rating & Reviews

Reviews Overview
🧐 Coming Soon…
Rating
4
171 voters

Some Latest Reviews

Ziggyseal
10 Sep, 2024
2
Not worth the 99 cents. There are ones on line that are better for free.
uggadugga
16 Jun, 2024
3
Useful but lately sometimes my days saves sometimes it resets and I have to input the data again!
johhny dane
08 Apr, 2021
3
It doesn’t state what size can the motor is or what type of pitch the gears have and there is no way to change it. It doesn’t even say what the can size is that the entire app is based off of. If they would fix this it might be worth something but I guess.?
SpeedJunkieSix
28 Dec, 2020
3
Its great just to give you an idea how fast your setup without tinkering too much but its missing some options.
dc41997
28 Nov, 2020
1
I was expecting something nice since I was paying for it don’t even have values for differentials like what? Terrible App wasted a dollar better off using the free ones on google
ty5215
03 Aug, 2020
3
You put everything in correctly but it tells you your car will only do 3 mph. The app hasn’t worked right in a day now
martyn crease
08 Jul, 2020
1
It doesn’t allow you to put in crown gear and pinion
NYKID158
03 Jul, 2020
1
The app is excellent except for the most vital component, being able to to choose the gear type whether they are 48pitch or mod 1 gear size for example. That allows you to further calculate speed otherwise your calculations will always be off to some degree. Please fix this as all of my calculations were wrong, I found this out after I purchased a GPS and did a few passes on 4s on my rustler 2wd. Please fix, once corrected I will pull my review and re-do.
Piperat
29 Jun, 2020
1
I'm putting information in that it's asking for. My rc is completely stock and I have used gps to find speed. This app is roughly 20 mph off.

Other

Additional Information
Rating:
3.98
Voted: 171
App Store Link:
Price: 0.99 $
Website: -
Email: -
Privacy Policy: -
Categories: Sports, Utilities
Size: -
App Age: 11 years 5 months
Release Date: Jul 19, 2014
Last Update: May 07, 2021
Version: 1.10.4
Version history
1.10.4
May 07, 2021
Now supports both 2008 and 2020 questions and answers. Updated built in data to reflect recent changes to Congress. Fixed some bugs with speech audio and random order. Reduced the frequency of the in-app ads. Fixed some minor spelling errors with new questions
1.10.3
Mar 30, 2021
Now supports both 2008 and 2020 questions and answers. Updated built in data to reflect recent changes to Congress. Fixed some bugs with speech audio and random order. Reduced the frequency of the in-app ads. Fixed some minor spelling errors with new questions
Version history