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Gammon API Gravity Calculator

App Store·ReferencePaid $9.993.60 (10)launched 9.6y agoapp updated 9.6y agocharts in 1 country
Scout Score
16

Gammon API Gravity Calculator generates an estimated $2k–$10k/month in revenue from 300–1k downloads/month on the App Store, according to AppCurrents estimates (updated 2026-06-17).

Estimates updated 17.06.2026 · How we estimate · Ranges reflect model confidence, not exact figures.
Est. revenue / month$2k–$10k
Est. downloads / month300–1k
Estimate confidencemedium
PricingPaid $9.99
Rating3.60 ★ (10 ratings)
CategoryReference
Best chart rank#55 Reference Paid
Released08.11.2016
App last updated08.11.2016
PlatformiOS
Est. downloads / mo
300–1k
Est. revenue / mo
$2k–$10k
Rating velocity / day
0
Chart velocity
▲ 4/day
Peak rank
#41
Days tracked
10
Chart ranks
#55 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.

Trends & analysis

Chart rank trend

US · category
#41#99
Jun 5Jun 17
Paid #55

Why it's surfacing

Scout 16
Climber
3
Newness
3
Momentum
1
Breakout
1

Ratings & velocity

★ 0 in window
Total ratings
10
Jun 5Jun 17
New ratings / day
10
Jun 6Jun 17

Rating distribution

60% positive · 10 ratings
5
50%
4
10%
3
10%
2
10%
1
20%

Geographic reach

best rank · 1 storefront
us
#55 category

Revenue & downloads trend

ARPU $7
Est. revenue / mo · $5k
$6k$0
Jun 5Jun 17
Est. downloads / mo · 688
8580
Jun 5Jun 17

Update history

1 update tracked
  • v1.09.6y 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–$10k per month (medium confidence), modeled from its the App Store chart performance, rating velocity, and monetization signals.

How many downloads does Gammon API Gravity Calculator get?

Gammon API Gravity Calculator sees an estimated 300–1k downloads per month on the App Store, per AppCurrents modeling.

Is Gammon API Gravity Calculator free?

Gammon API Gravity Calculator is a paid app priced at $9.99 on the App Store.

What is Gammon API Gravity Calculator's rating?

Gammon API Gravity Calculator holds a 3.60-star average from 10 ratings on the App Store. It currently ranks #55 on the Reference paid chart.

When was Gammon API Gravity Calculator released?

Gammon API Gravity Calculator launched on the App Store on 08.11.2016. Its latest version shipped 08.11.2016.

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