Apps Like Varigate for iPhone and iPad
Calculate casing sizes and pressures
Calculate casing sizes, weights, and hydrostatic pressure with unit conversions between imperial and metric systems. Switch units instantly. Perform pressure calculations for oil and gas applications. Access accurate data for field and office use.
Varigate screenshots
Ranked alternatives
Showing 521–540 of 1,000 ranked alternatives.



CraftCalc
Yong Tze Chi
Calculate fractions and mixed numbers
Calculate fractions and mixed numbers without converting to decimals. Perform addition, subtraction, multiplication, and division. Convert between fractions and decimals. Input measurements for precise calculations.

PFMA E6B
Gonzalo Esteban Astica Capra
Manage flight data and calculate fuel burn
Navigation provides flight planning and in-flight calculations. Users can customize quick access buttons, configure units, and manage blocks and airtime.


International Steam Tables
Hans-Joachim Kretzschmar
Access properties and calculations
Calculate thermodynamic properties of water and using the IAPWS-IF97 formulation. Input temperature and pressure to determine enthalpy, entropy, and density. Access supplementary standards for backward equations. Export results in tabular format.





Fuel Calculators: MPG & Cost
Verosocial Studio
Calculate cost and efficiency
Calculate costs and efficiency using MPG or L/100km. Determine consumption, cost, and max distance traveled. Compare cost differences between vehicles. Track odometer changes and calculate per unit cost.




AB Converter
RockCat Studio Limited
Convert units across 12 categories
Convert units across 12 categories including length, area, and weight. Switch between millimeters, inches, miles, and other units.


Steam Tables
Carmel Software Corporation
Calculate properties instantly
Calculate properties for saturated and superheated with pressure, temperature, and enthalpy values. Access HVAC equipment locator features. View property and charts. Export data and share results.

Greenheck Toolbox
Greenheck Fan Corporation
Calculate fan laws and size ducts
Fan Law Calculator allows users to input rpm, cfm, static pressure, and horsepower. Modifying one value recalculates the others. Ductulator helps size HVAC ducts by inputting shape, dimensions, air temperature, elevation, and roughness.


How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.