GearBuddy RPM-MPH Calculator
4.3star
42 reviews
10K+
Downloads
Everyone
info
About this app
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No data collected
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Ratings and reviews
4.3
40 reviews
A Google user
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February 4, 2026
*2nd Edit// I still use this as my go-to gear ratio tool. Ken updated to 10 ratios shortly after the suggestion which was super awesome!! I'm very pleased with these guys. Since the additional gear slots were added, I've been able to do a lot more varieties of gear configurations (even non-automotive types). This is my favorite custom gear-drive tool.
3 people found this review helpful
Kenneth Aycock
December 6, 2017
The updated version (0.0.6) now supports up to 10 gear entries. Thank you for the suggestion!
Ken
Paul O'Connell
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July 28, 2023
I love this app, but it needs the option to save gear sets and name them for each vehicle we choose so I don't have to look up the gear ratios every time. Otherwise, very accurate.
Hasif Hilmi
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July 17, 2021
Hey developer, can you add an option where we can find the gear ratios based on the input speed (more like vice versa). I'm not sure if it's possible but it's going to be helpful!
3 people found this review helpful
What’s new
- Changed input format from "number" to "tel" to allow more users to enter floating-point values for gears (i.e., numbers with decimals)
- New logo
- New logo
App support
About the developer
Kenneth Iven Aycock
ken.aycock@gmail.com
United States