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 1–20 of 1,000 ranked alternatives.




Calculator - Pad Edition
Ratha Sou
Calculate in portrait, science in landscape
Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.

GlobeConvert Currency & Units
Ievgenii Lebid
Convert currencies and on the go
Convert currencies and physical with real-time rates and support for 160+ currencies and 350+ . Save favorite conversions for quick access. Use offline data from the last successful update.

SCR MAXFLO™
Southwire Company
Calculate pressure drop and fluid velocity
Calculate pressure drop, fluid velocity, Reynolds number, and friction factor for liquids and gases. Create custom projects, add and edit pipes, fluids, and fittings. Switch between metric and imperial units. Share calculations with other users.

Fluid Mechanics Calculator
V PUGAZHENTHI
Calculate and civil engineering parameters
Provides tools to compute parameters like pressure, flow rate, and viscosity. Users can switch between USCS and SI units. Features include calculating buoyant force, hydraulic radius, and density. Supports civil engineering and dynamics calculations.

HVACR Check & Charge
Copeland LP
Calculate refrigerant charges instantly
Calculate refrigerant charges for systems using built-in formulas. Input system parameters to determine correct levels for R-22, R-410A, R-32, and other refrigerants. Save and export calculation results for record-keeping.

Unit Converter | Converter4U
VisTech.Projects LLC
Convert units between categories seamlessly
Convert units across categories like length, area, and temperature. Perform simultaneous conversions and customize preferences. Copy converted values to the clipboard for quick use.

steelyard
Mohamed Saad
Calculate metal weight offline
Calculate metal weights with support for multiple metals, shapes, and units in both metric and imperial systems. Perform offline calculations without background processes. Save settings and favorite calculations.


Mila's Unit Converter PRO
Scott DeSapio
Convert units across 16 categories
Convert units across 16 categories with instant accuracy. Switch between hundreds of units for length, weight, temperature, and more. Calculate conversions for cooking, engineering, travel, and study.

Dive Calculator
Zanthic Automation Inc.
Calculate stats and manage gas mixtures
Perform scuba-related calculations for divers of all experience levels. Calculate ATA, SAC/RMV rates, tank volume, and pressure ratings. Convert units as needed. Determine EANx mix, top-up, and bleed-down calculations.

Ballistics Calculator 2026
Educational apps LLC
Calculate trajectories and compare cartridges
Calculate ballistic trajectories with detailed data including 4000 cartridges and 3300 reticles. Visualize trajectories, compare different cartridges, and adjust for barometric pressure, altitude, temperature, and wind.



Pipe Trades Pro Calc
Calculated Industries, Inc.
Try before you buy with free trial
Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.