Ratio Calc!
Store data observed · From public App Store data · How we score apps
- Sports
- App Store
- United States
- 4.525 ratings
- Paid $2.99
- Updated
- Observed
Ratings
Observed254.5★ average
Chart position
Observed—Not on the top charts
90-day growth
—not enough history yet
Opportunity score
AI-derived8/100Weak · low confidence
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About Ratio Calc!Observed
Ratio Calc! is a Sports app by David Mills on the United States App Store. Released May 12, 2011; last updated Oct 8, 2026 (version 7.6). Ratio Calc! costs $2.99 to download.
As of Oct 9, 2026, Ratio Calc! has a 4.5-star average rating from 25 ratings on the United States App Store. MRRBeam rates the success of Ratio Calc! 23/100 (early stage).
Ratio Calc is a quick and easy tool for radio control car racers to use trackside. Knowing your final drive ratio (FDR) is very useful for comparison with other racers to determine if your car is geared correctly. It lets you quickly select your car by filtering on manufacturer and model.
- Success score
- 23/100 Early stage
- In Sports
- Outside the top 100
- Chart position
- Not on the top charts
- Developer
- David Mills
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Ratio Calc!: common questions
- What is Ratio Calc!?
- Ratio Calc! is a Sports app developed by David Mills, available on the App Store. It was first released on May 12, 2011.
- How is Ratio Calc! rated?
- Ratio Calc! has a 4.5-star average rating from 25 ratings on the United States App Store as of Oct 9, 2026.
- How much does Ratio Calc! cost?
- Ratio Calc! costs $2.99 to download.
- Is Ratio Calc! successful?
- MRRBeam rates the success of Ratio Calc! 23/100 (early stage). The success score combines rating volume, chart position and average rating.
- When was Ratio Calc! last updated?
- Ratio Calc! was last updated on Oct 8, 2026 (version 7.6).
- What are alternatives to Ratio Calc!?
- Similar Sports apps tracked by MRRBeam include FanDuel Sportsbook & Casino, DraftKings: Sports & Casino, ESPN Fantasy Sports & More, PrizePicks - Sports Picks and ESPN: Live Sports & Scores.
- Is there room to build a competitor to Ratio Calc!?
- MRRBeam's opportunity score for Ratio Calc! is 8/100. Limited opening: an older app, little observable demand and a strong 4.5★ rating.