Instrument Toolbox app icon

Apps Like Instrument Toolbox for iPhone and iPad

by 立娜 王★ 0.00 ratingsUtilities$1.99Data updated 2026-09-06

Ranked alternatives

Showing 121–140 of 1,000 ranked alternatives.

  1. Solves: Calculator for All app icon

    Solves: Calculator for All

    Oleg Barinov

    Edit expressions, sync history, calculate instantly

    Is a that allows editing of mathematical expressions with instant results. It syncs calculation history across devices. Purchasing + adds unit conversion, history tools, fractions, and more.

    ★ 4.9381 ratingsUtilitiesFreeData updated 2026-09-15
  2. Unit Converter - OmniConvert app icon

    Unit Converter - OmniConvert

    Jonathan Chen

    Convert units and currencies offline

    Convert units and currencies with real-time exchange rates and offline support. Switch between dark mode and light mode. Access calculators for salary, gratuity, and more. Perform unlimited conversions without size limits.

    ★ 5.042 ratingsUtilitiesFreeData updated 2026-09-06
  1. Unit Converter ++ app icon

    Unit Converter ++

    Nirav Patel

    Convert units between length, weight, temperature,

    Convert units of length, weight, temperature, volume, and speed. Switch between miles, kilometers, Celsius, Fahrenheit, gallons, liters, and more. Calculate conversions instantly and save frequently used units.

    ★ 1.610 ratingsUtilitiesFreeData updated 2026-09-09
  2. Unit Converter app icon

    Unit Converter

    Yunus Kilinc

    Convert units across 300+ categories

    Convert units across 20+ categories including currency, area, temperature, and mass. Switch between 300+ units. Input values and instantly see converted results. Save frequently used conversions. Share converted values via copy-paste.

    ★ 2.07 ratingsUtilitiesFreeData updated 2026-09-11
  3. SMART Service Tool app icon

    SMART Service Tool

    Rodrigo Miranda

    Convert pressure to temperature

    Select refrigerant types and units of measure. Calculate superheat and subcooling using NIST data. Convert pressure to temperature. Display custom data settings. Connect Bluetooth sensors for real-time readings.

    ★ 3.320 ratingsBusinessFreeData updated 2026-09-09
  4. Converter and Calculator Lite app icon

    Converter and Calculator Lite

    Cider Software LLC

    Convert units and currencies instantly

    A and unit/currency with a clean interface. Convert between 500+ units across 29 categories and 161 currencies. Customize colors and display selected units. Enter values to instantly convert between units.

    ★ 4.888 ratingsUtilitiesFreeData updated 2026-09-08
  5. Ad-Free Unit Converter app icon

    Ad-Free Unit Converter

    William Jockusch

    Simple intuitive unit converter app

    The app offers unit conversions for acceleration, angle, area, density, distance, energy, force, mass, power, pressure, speed, temperature, time, and volume. All conversions are performed on a single screen.

    ★ 3.955 ratingsUtilitiesFreeData updated 2026-09-15
  6. Greenheck Toolbox app icon

    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.

    ★ 3.03 ratingsUtilitiesFreeData updated 2026-09-08
  7. Pipe Calc Elite app icon

    Pipe Calc Elite

    Cyberprodigy LLC

    Calculate dimensions and pressure loss

    Calculate dimensions and pressure loss for 7 materials. Solve linear and rolling offsets, cutbacks, and other job site equations. Convert units and store standard data for quick access.

    ★ 4.8152 ratingsUtilities$19.99Data updated 2026-09-08
  8. Simple Units Converter lite app icon

    Simple Units Converter lite

    Mind Trends LLC

    Convert units across many dimensions.

    This app offers 458 units across 22 dimensions, including length, volume, and weight. It serves as a general-use calculator for converting between different unit sets.

    ★ 5.01 ratingsUtilitiesFreeData updated 2026-10-09
  9. Halliburton eRedBook® Mobile app icon

    Halliburton eRedBook® Mobile

    Halliburton

    Industry data for oil and gas wells

    The app provides instant access to key dimensions and strengths for pipe. Users can look up specifications for tubulars to quickly calculate capacity and annulus volumes in various units.

    ★ 3.832 ratingsBusinessFreeData updated 2026-09-27
  10. Physics Toolkit app icon

    Physics Toolkit

    Electronial

    Calculate formulas and values

    Perform calculations using built-in formulas and calculators for displacement, acceleration, Newton's second law, gravitational acceleration, Hooke's law, momentum, work, density, kinetic energy, potential energy, elastic energy, electric power,

    ★ 4.651 ratingsEducationFreeData updated 2026-09-14
  11. Structural Engineering lite app icon

    Structural Engineering lite

    V PUGAZHENTHI

    Calculate loads, beams, and columns

    Solve and civil problems with 58 calculators. Calculate shear capacity, critical ratio, effective length factor, slenderness ratio, and allowable compressive stress. Switch between Imperial and Metric units.

    ★ 4.219 ratingsUtilitiesFreeData updated 2026-09-08
  12. International Steam Tables app icon

    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.

    ★ 3.98 ratingsUtilities$2.99Data updated 2026-10-14
  13. AutoDens app icon

    AutoDens

    Optobyte AG

    Calculate air density in real time

    Calculates air density, relative humidity, and air pressure automatically. Displays geographic position, temperature, dewpoint, elevation, and barometric pressure. Supports airport and manual input modes.

    ★ 4.8184 ratingsWeatherFreeData updated 2026-09-08
  14. Uno Calculator app icon

    Uno Calculator

    Uno Platform Inc.

    Calculate, convert, and measure with precision

    Perform calculations, convert units of measurement, and switch between different calculation modes. Input values, select formulas, and view results. Track history and manage multiple calculation sessions.

    ★ 4.6115 ratingsProductivityFreeData updated 2026-09-18

How we rank alternatives

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