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Ratio Calc!

App Store·SportsPaid $2.994.52 (25)launched 15.2y agoapp updated 8mo agocharts in 8 countries
Scout Score
14

Ratio Calc! generates an estimated $10–$300/month in revenue from 10–60 downloads/month on the App Store, according to AppCurrents estimates (updated 2026-08-02).

Estimates updated 02.08.2026 · How we estimate · Ranges reflect model confidence, not exact figures.
Est. revenue / month$10–$300
Est. downloads / month10–60
Estimate confidencemedium
PricingPaid $2.99
Rating4.52 ★ (25 ratings)
CategorySports
Best chart rank#92 Sports Paid
Released12.05.2011
App last updated11.11.2025
PlatformiOS
Est. downloads / mo
10–60
Est. revenue / mo
$10–$300
Rating velocity / day
0
Chart velocity
▼ 4/day
Peak rank
#34
Days tracked
8
Chart ranks
#92 Sports Paid

Modeled monthly estimate · rating velocity · medium 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 · category
#34#93
Jun 11Jul 29
Paid #92

Why it's surfacing

Scout 14
Newness
3
Breakout
1

Ratings & velocity

★ +0.02 in window
Total ratings
2524
Jun 4Aug 4
New ratings / day
10
Jun 5Aug 4

Rating distribution

83% positive · 24 ratings
5
83%
4
0%
3
4%
2
8%
1
4%

Geographic reach

best rank · 8 storefronts
fr
#30 category
tw
#57 category
kr
#57 category
gb
#75 category
us
#92 category
br
#96 category
au
#98 category
de
#99 category

Revenue & downloads trend

ARPU $2
Est. revenue / mo · $56
$4k$0
Jun 4Aug 2
Est. downloads / mo · 27
2k0
Jun 4Aug 2

In-app purchases

4 tiers
Nice Tip$1
Generous Tip$3
Mega Tip$5
Insane Tip$10

Update history

1 update tracked
  • v7.5.18mo 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 $10–$300 per month (medium 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 10–60 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 #92 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.

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