Gear Speed - Brushless RC Speed Calculator

Gear Speed - Brushless RC Speed Calculator

by Ultra Software Solutions, LLC

113 ratings
57 reviews
#131 in paid Utilities
πŸ”§ Utilities
⚽ Sports
$0.99

Details

  • Released
  • Updated
  • July 20, 2014
  • September 26, 2015

Features

Gear Speed - Brushless RC Speed Calculator video #1 for iPhone
Gear Speed - Brushless RC Speed Calculator screenshot #2 for iPhone
Gear Speed - Brushless RC Speed Calculator screenshot #3 for iPhone
Gear Speed - Brushless RC Speed Calculator screenshot #4 for iPhone
Gear Speed - Brushless RC Speed Calculator screenshot #5 for iPhone
Gear Speed - Brushless RC Speed Calculator screenshot #6 for iPhone
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About

This app is a powerful tool for RC car enthusiasts to calculate maximum speed and optimize gearing. It allows users to save setups, add notes, and email records for detailed tracking of performance. Supports a wide range of LiPo batteries and provides multiple calculation metrics.

βœ“Maximum speed calculation
βœ“Setup storage with notes
βœ“Email record keeping
βœ“Speed (MPH/KPH) calculation
βœ“RPM calculation
βœ“Final Drive Ratio calculation
βœ“Rollout calculation (inches/mm)
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What's New in Gear Speed

2.1.0

September 26, 2015

This update from Apple will improve the functionality of this app. No new features are included. - Rollout now in Inches or MM - Improved Notes View Contrast

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Last updated on July 19, 2026.

User reviews

Broken

This app cost .99 and does nothing but revert back to my Home Screen when trying to use it

It doesn't work on my iPhone 15. I don't recommend this program.

It doesn't work on my iPhone 15. I don't recommend this program.

It’s stuck

Cannot add new set up

Not working

Not working

App kicks me out for some reason

Waste of money

Developer apps

FAQ

What does Gear Speed do?

Gear Speed is a dedicated tool for brushless RC cars that calculates maximum speed, RPM, final drive ratio, and rollout. It helps enthusiasts optimize their gearing for performance.

What information do I need to use the app?

You will need to input your car's specific information, including pinion size, spur size, transmission ratio, tire diameter, motor KV, and LiPo cell count and voltage.

Can I save my RC car setups?

Yes, the app allows you to store your custom setups for different RC cars or configurations. You can also add notes to each setup to track changes and performance during runs.

What battery types does it support?

The app supports a wide range of LiPo batteries, from 1S up to 12S, allowing for calculations across various power configurations.

How can I keep a record of my RC car's performance?

You can email your saved setups and run notes directly from the app. This provides a permanent record of your car's configuration and performance data for future reference.