Gammon API Gravity Calculator app icon

Apps Like Gammon API Gravity Calculator for iPhone and iPad

by Gammon Technical Products, Inc.★ 3.610 ratingsReference$9.99Data updated 2026-09-11

Gammon API Gravity Calculator screenshots

Ranked alternatives

Showing 201–220 of 1,000 ranked alternatives.

  1. Track Gear Calculator app icon

    Track Gear Calculator

    Matt Herz

    Calculate gears for your bike

    Calculate ratios for chainrings 44–70 teeth and cogs 8–20 teeth. Determine speed and cadence based on selection. Find the next higher or lower available in your current setup. Sync data between iPhone and Apple Watch.

    ★ 4.212 ratingsSports$0.99Data updated 2026-09-13
  1. Jetting Rotax Max Kart app icon

    Jetting Rotax Max Kart

    BALLISTIC SOLUTIONS RESEARCH & DEVELOPMENT SOFTWARE SIARHEI RAICHONAK

    Jet your with precise settings

    Provides recommendations for 125 Max non-EVO engines based on temperature, altitude, humidity, atmospheric pressure, and engine configuration. Displays carburetor type and restrictor options.

    ★ 4.99 ratingsSports$7.99Data updated 2026-09-06
  2. MultiDeco app icon

    MultiDeco

    HHS Software Corp.

    Plan dives with decompression models

    Calculate decompression stops using VPM-B, VPM-B/E, ZHL-16, and ZHL-16 + GF models. Input gas mixtures including nitrox and trimix. Plan decompression for open circuit and closed circuit rebreathers. Include bailout options with SCR and OC legs.

    ★ 3.911 ratingsUtilities$48.99Data updated 2026-09-12
  3. Cycle Value app icon

    Cycle Value

    Power Werks, Inc.

    Calculate and remaining cycles

    Calculate and remaining cycles for jet engine LLPs. Estimate repair costs and check current list prices. Offer parts for sale and access part data from multiple airlines and MROs.

    ★ 5.06 ratingsUtilitiesFreeData updated 2026-09-06
  4. TrueDoF-Intro DoF Calculator app icon

    TrueDoF-Intro DoF Calculator

    George Douvos

    Calculate depth of field in real time

    Calculate depth of field with real-time updates and advanced algorithms. Input focal length, aperture, and distance to determine focus range. Account for diffraction effects. Export results and share calculations.

    ★ 3.99 ratingsPhoto & VideoFreeData updated 2026-09-08
  5. Jet Fueling app icon

    Jet Fueling

    Serge Ostrowsky

    Compute payload and bloc fuel

    Utilities helps calculate aircraft fuel and payload. Users adjust desired bloc fuel and available payload. Compute refuel quantities in liters, US gallons, or imperial gallons. Track remaining fuel and uplift needs.

    ★ 4.67 ratingsUtilities$1.99Data updated 2026-09-08
  6. Jetting for Honda CR 2T Moto app icon

    Jetting for Honda CR 2T Moto

    BALLISTIC SOLUTIONS RESEARCH & DEVELOPMENT SOFTWARE SIARHEI RAICHONAK

    Calculate and spark plug settings

    Calculate optimal and spark plug settings for CR 2-stroke motorcycles using temperature, altitude, humidity, atmospheric pressure, and engine configuration. Fetch weather data from nearby stations or use internal barometer for accurate readings.

    ★ 4.76 ratingsSports$5.99Data updated 2026-09-06
  7. Jetting for GasGas 2T Moto app icon

    Jetting for GasGas 2T Moto

    BALLISTIC SOLUTIONS RESEARCH & DEVELOPMENT SOFTWARE SIARHEI RAICHONAK

    Calculate and spark plug settings

    Calculate optimal and spark plug settings for 2-strokes based on temperature, altitude, humidity, atmospheric pressure, and engine configuration. Fetch weather data from nearby stations or use internal barometer for precise measurements.

    ★ 4.56 ratingsSports$6.99Data updated 2026-09-06
  8. Final Grade Calculator - % app icon

    Final Grade Calculator - %

    Nathan Leung

    Calculate grades and track progress

    Calculate required grades to achieve a target . Input current grades and custom weightings. Adjust for remaining assignments. Export results or share with teachers. Track progress toward academic goals.

    ★ 4.711 ratingsEducationFreeData updated 2026-09-11
  9. TipSavvy app icon

    TipSavvy

    Kabir Dhillon

    Split bills and calculate tips

    Calculate tips and split bills among multiple people. Set custom tip percentages. Adjust the number of participants to evenly distribute costs. Share totals via text or email.

    ★ 4.99 ratingsUtilitiesFreeData updated 2026-09-06
  10. Calculator for School app icon

    Calculator for School

    KRASHSOFT LLC

    Calculate, convert, solve, and graph

    Calculate with four modes: basic for arithmetic and percentages, scientific for algebra and trigonometry, programming for command line expressions in multiple numerical systems, and minimalist for simplicity.

    ★ 4.511 ratingsUtilitiesFreeData updated 2026-09-06
  11. Antenna Calculator app icon

    Antenna Calculator

    Matthew Miller

    Calculate length with a tap

    Calculate lengths for 1/4 Wave ground plane, 5/8 Wave Verticals, Dipole, and Inverted Vee types. Input desired TX or RX frequency to determine resonant wire length. Adjust for close resonance without an ATU.

    ★ 3.69 ratingsUtilities$0.99Data updated 2026-09-06
  12. My Physics Calculator lite app icon

    My Physics Calculator lite

    V PUGAZHENTHI

    Calculate and engineering parameters

    Calculate and engineering parameters with 134 formulas. Input values to compute force, friction, acceleration, work, power, and more. Access definitions and formulas for each calculation. First 5 calculators are free; others require in- purchase.

    ★ 4.88 ratingsEducationFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.