Ratio Calc!
Ratio Calc! generates an estimated $200–$1k/month in revenue from 100–500 downloads/month on the App Store, according to AppCurrents estimates (updated 2026-06-17).
| Est. revenue / month | $200–$1k |
|---|---|
| Est. downloads / month | 100–500 |
| Estimate confidence | high |
| Pricing | Paid $2.99 |
| Rating | 4.52 ★ (25 ratings) |
| Category | Sports |
| Best chart rank | #60 Sports Paid |
| Released | 12.05.2011 |
| App last updated | 11.11.2025 |
| Platform | iOS |
Modeled monthly estimate · rating velocity · high confidence
About
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. Select your pinion and spur size and the FDR is displayed. Tyre diameter can also be entered to calculate you…
Trends & analysis
Chart rank trend
US · categoryWhy it's surfacing
Scout 15Ratings & velocity
★ +0.02 in windowRating distribution
83% positive · 24 ratingsGeographic reach
best rank · 7 storefrontsRevenue & downloads trend
ARPU $2In-app purchases
4 tiersUpdate history
1 update tracked- v7.5.17mo ago
-Car search now works by manufacturer name as well -Fixed some manufacturer logo display issues -Improved the database update process -Some updated manufacturer logos -Fixed an issue with Zen Racing no longer showing
Ratio Calc! — FAQ
How much money does Ratio Calc! make?
According to AppCurrents estimates, Ratio Calc! generates approximately $200–$1k per month (high confidence), modeled from its the App Store chart performance, rating velocity, and monetization signals.
How many downloads does Ratio Calc! get?
Ratio Calc! sees an estimated 100–500 downloads per month on the App Store, per AppCurrents modeling.
Is Ratio Calc! free?
Ratio Calc! is a paid app priced at $2.99 on the App Store.
What is Ratio Calc!'s rating?
Ratio Calc! holds a 4.52-star average from 25 ratings on the App Store. It currently ranks #60 on the Sports paid chart.
When was Ratio Calc! released?
Ratio Calc! launched on the App Store on 12.05.2011. Its latest version shipped 11.11.2025.