Report updated Apr 30, 2026
Ratio Calc!
For radio control car racers seeking precise gear ratio and rollout calculations for vehicle tuning.
Overview · Full Intel report in progress
Ratio Calc! is an established sports app that is a paid app. With a 4.5/5 rating from 24 reviews, it shows polarized user reception.
What makes this app unique?
What Are The Key Features?
Provides access to over 2,000 car models and variants for quick selection and calculation.
Calculates Final Drive Ratio and rollout based on user-inputted pinion, spur gear, and tyre diameter data.
Generates handy tables plotting various pinion and spur gear combinations for quick reference.
Supports imperial and metric units, preferred gear pitch selection, and the ability to save favorite car configurations.
How much does it cost?
Who Built It?
David Mills
Providing real-time telemetry and specialized calculation tools for racing enthusiasts and homeowners. Bridging the gap between complex data and actionable insights for niche hobbyist and financial workflows.
Portfolio
3
Apps
What other apps does David Mills make?
Explore the full David Mills report
Portfolio breakdown, audience, momentum, and every app published by David Mills.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for Ratio Calc!?
How's The Sports Market?
How does it evolve in the Sports market?
Rank progression
37 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Ratio Calc!
Key Takeaways
This app serves as a highly-rated, specialized tool that streamlines the technical setup process for RC car enthusiasts.
Where Is It Heading?
Trend analysis
Available very soon