Gammon API Gravity Calculator

By: Gammon Technical Products App

Reference

Overview

Apple Apps Store

Version:

1.0

Last updated: 2016-11-08

#391,645 ▲ 43,290

Features & Capabilities

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.

User Growth & Download Statistics

App

By:

Gammon Technical Products

Rating:

Version:

1.0 Last updated: 2016-11-08

Version code:

841669269

Creation date:

2016-11-08

Compatible devices:

Size:

9.79MB

Price:

9.99

Full description:

Source:

Apple Apps Store

Data ingested on:

2026-07-28

Compare stats and ranking:

Ranking

# 391,645 ▲ 43,290

For Developers

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Contact the developer

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Developed by:

Gammon Technical Products

Apple Apps Store

https://apps.apple.com/us/app/gammon-api-gravity-calculator/id1163782117

User Reviews

This app works great, buts it’s missing 100LL for aviation use. This will get a FIVE STAR when this comes out.

by Un*****, 2026-01-06

$10 for a simple calculator is absurd

by Ra*****, 2025-10-13

View all user reviews ›

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