Gammon API Gravity Calculator

Name: Gammon API Gravity Calculator revenue & download estimates
Creator: AppCurrents

App Store·ReferencePaid $9.99★ 3.60 (10)launched 9.9y agoapp updated 9.9y agocharts in 1 country

Scout Score

Gammon API Gravity Calculator generates an estimated $2k–$25k/month in revenue from 400–2k downloads/month on the App Store, according to AppCurrents estimates (updated 2026-10-02).

Estimates updated 02.10.2026 · How we estimate · Ranges reflect model confidence, not exact figures.
Est. revenue / month	$2k–$25k
Est. downloads / month	400–2k
Estimate confidence	medium
Pricing	Paid $9.99
Rating	3.60 ★ (10 ratings)
Category	Reference
Best chart rank	#35 Reference Paid
Released	08.11.2016
App last updated	08.11.2016
Platform	iOS

Est. downloads / mo

400–2k

Est. revenue / mo

$2k–$25k

Rating velocity / day

Chart velocity

▲ 3/day

Peak rank

#20

Days tracked

Chart ranks

#35 Reference Paid

Modeled monthly estimate · rating velocity · medium confidence

About

The GTP API Gravity Calculator from Gammon Technical Products, Inc. provides users the ability to determine corrected API at 60 Deg F for jet, gasoline, and diesel fuels. The calculator is a digital version of our GTP-3012-1A and GTP-2727EF slide calculators and it also is capable of calculating the total weight of the fuel.

View on the App Store →

Trends & analysis

Chart rank trend

US · category

#20#98

Jun 15Oct 2

Paid #35

Why it's surfacing

Scout 18

Climber

Momentum

Newness

Breakout

Ratings & velocity

★ 0 in window

Total ratings

Jun 8Sep 25

New ratings / day

Sep 9Sep 25

Rating distribution

60% positive · 10 ratings

5★

50%

4★

10%

3★

10%

2★

10%

1★

20%

Geographic reach

best rank · 1 storefront

#35 category

Revenue & downloads trend

ARPU $7

Est. revenue / mo · $6k

$6k$75

Jun 8Oct 1

Est. downloads / mo · 858

85811

Jun 8Oct 1

Update history

1 update tracked

v1.09.9y ago
This update from Apple will improve the functionality of this app. No new features are included.

Gammon API Gravity Calculator — FAQ

How much money does Gammon API Gravity Calculator make?

According to AppCurrents estimates, Gammon API Gravity Calculator generates approximately $2k–$25k per month (medium confidence), modeled from its the App Store chart performance, rating velocity, and monetization signals.