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 161–180 of 1,000 ranked alternatives.

  1. Mil-Dot Ballistics app icon

    Mil-Dot Ballistics

    Thomas Holsten

    Fast range estimation and ballistics calculation.

    The app combines range estimation with a ballistics calculator for fast targeting. It offers real-time calculations and supports one-handed operation without manual measurement input.

    ★ 3.851 ratingsUtilities$14.99Data updated 2026-09-26
  2. Earthquake Alert - Seismic app icon

    Earthquake Alert - Seismic

    婷 张

    Monitor earthquakes and track real-time data

    Monitor earthquakes with real-time updates and GPS compass maps. Display professional data including altitude, orientation, air pressure, and coordinates. View environmental metrics like humidity and temperature.

    ★ 4.482 ratingsUtilitiesFreeData updated 2026-09-06
  3. Oilcalcs app icon

    Oilcalcs

    ron mooring

    Complete calculator for oil professionals.

    The app calculates weights and volumes for oil and gas professionals using ASTM tables and formulas. It offers features for crude oil, products, and lube oils, including blending and density calculations.

    ★ 4.846 ratingsBusiness$9.99Data updated 2026-10-17
  1. SuperCALC app icon

    SuperCALC

    SuperSystems Inc.

    Industrial furnace calculations made simple.

    The app provides industrial furnace calculations. It includes a furnace calculator for %Carbon, Dew Point, and %Oxygen, an IR 3-gas calculator for % Carbon, and a generator calculator for air and gas flow.

    ★ 4.52 ratingsUtilitiesFreeData updated 2026-10-04
  2. Chemours PT Calc app icon

    Chemours PT Calc

    The Chemours Company LLC

    Refrigerant data for HVACR technicians.

    The app provides HVACR service technicians with refrigerant data for system diagnostics. It calculates pressure and temperature, and can determine superheat and subcooling for system charging and troubleshooting.

    ★ 4.613 ratingsReferenceFreeData updated 2026-09-23
  3. Flange Hole Marker Calc app icon

    Flange Hole Marker Calc

    Nanjibhai Gorasiya

    Calculate positions

    Calculate positions with equispaced calculator, angled placement tool, and equivalent count converter. Input dimensions and angles to generate precise measurements. Export results for use in workshop or design processes.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  4. Converter Pro – Unit Converter app icon

    Converter Pro – Unit Converter

    Panoramic Software Inc.

    Convert currencies and units instantly

    Convert units across 19 categories including acceleration, angle, area, cooking, data storage, density, and energy. Switch between 150+ currencies. Perform calculations for conversions and exchanges. Share results via copy or email.

    ★ 4.445 ratingsUtilitiesFreeData updated 2026-09-08
  5. Bell & Gossett - SystemSyzer app icon

    Bell & Gossett - SystemSyzer

    Xylem Inc.

    HVAC piping system design calculator tool.

    The app provides HVAC piping system design tools based on an original plastic wheel calculator. It includes calculators for friction loss, velocity, and Cv, along with a Circuit Setter/Triple Duty Valve calculator for design and field use.

    ★ 3.28 ratingsReferenceFreeData updated 2026-09-25
  6. Audiofile Calc — LUFS, dB, Hz app icon

    Audiofile Calc — LUFS, dB, Hz

    Audiofile Engineering, LLC

    Calculate audio parameters and settings

    Calculate note lengths and bar lengths for musical compositions. Convert time signatures and tempo. Adjust beat divisions and measure counts. Export results and share calculations.

    ★ 4.513 ratingsMusicFreeData updated 2026-09-08
  7. HVAC Toolkit app icon

    HVAC Toolkit

    Carmel Software Corporation

    Track equipment and PT charts

    Provides access to multiple specialized tools for professionals. Users can locate equipment, read PT charts, calculate refrigerant charges, size ducts, estimate quick loads, and analyze psychrometric data.

    ★ 5.02 ratingsProductivity$23.99Data updated 2026-09-08
  8. Calculator of Air app icon

    Calculator of Air

    yoshihito sakagami

    Calculate humidity properties instantly

    Calculate humidity properties using dry-bulb, wet-bulb, and dew point temperatures. Input values to determine relative humidity, vapor pressure, and specific humidity. Display results in a interface with precise Wexler–Hyland formulation.

    ★ 4.614 ratingsProductivityFreeData updated 2026-09-11
  9. Conversion Calculator - Metric app icon

    Conversion Calculator - Metric

    Collins Cheruiyot

    Convert units instantly and accurately

    Convert units between and imperial systems. Switch between weight, length, temperature, and area measurements. Input values and receive instant conversions. Share results via copy or email.

    ★ 4.8142 ratingsUtilitiesFreeData updated 2026-09-06
  10. Pvc Pipes Measures Insulator++ app icon

    Pvc Pipes Measures Insulator++

    Clarence Snickers

    Select pipe size and insulation for reference

    Find reference numbers for jacketing and elbows in PVC and metal. Calculate common measurements like O.D. and O.C. Select pipe and insulation sizes to retrieve data. Used by journeymen and apprentices in commercial and industrial settings.

    ★ 4.865 ratingsReferenceFreeData updated 2026-09-28

How we rank alternatives

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