Apps Like Tools for hardness testing for iPhone and iPad
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Ranked alternatives
Showing 21–40 of 1,000 ranked alternatives.


Visual Math 4D
Ronny Weidemann
Solve equations and visualize graphs
Solve mathematical equations and visualize results in 2D and 3D. Plot cartesian, polar, spherical, and parametric functions. Animate equations and vector fields. Find intersections of functions. Support for complex functions.

Chippy Tools: Construction
Peth Pty Ltd
Calculate measurements and convert units
Calculate measurements, convert units, and estimate material quantities. Perform trigonometry, slope calculations, and area computations. Save frequently used formulas and access them quickly. Export results and share via email or messaging.

Concrete Calc Pro Calculator
Calculated Industries, Inc.
Calculate volume for slabs, footings, and walls
Calculate volume for slabs, footings, columns, walls, and stairs in cubic yards, feet, or meters. Estimate needed, determine weight and bag requirements. Calculate rebar spacing and truckloads.

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.

Pool-Calculator
Pool and Spa Resources, LLC
Calculate chemicals accurately
Calculate chemical dosages for pools or hot tubs based on water volume and test results. Input pH, alkalinity, and sanitizer levels to determine treatment amounts. Export results and share with service professionals.

Flange Bolt Size & Torque
Open Source Consulting LLC
Look up , pipe, and data offline
Lookup , pipe, and data instantly without an internet connection. View number of bolts, diameter, length, wrench , pattern, and target . Check dimensions including outside diameter, thickness, circle diameter, and weight.

Asphalt Calculator Plus
Calc Hub, LLC
Calculate materials and estimate costs for paving
Calculate , base material, and sealcoat quantities for paving projects. Input dimensions in various units and receive results in tons, cubic yards, or cubic meters. Estimate material costs based on input measurements.

FFCalc - Retirement Calculator
Roman Voglhuber
Calculate savings time based on income
Calculate the time needed to achieve financial freedom by inputting income, expenses, and savings. View charts and tables showing annual savings progress. Set or financial goal timelines based on provided data.

Ring Sizer – Ring Size Meter
AppLiks Sp. z O.O.
Measure rings with the white circle
Measure by matching the inner edge to the 's white circle. Adjust the slider to align the diameter or circumference. View results in metric or imperial units, including US, Canadian, and Australian sizing systems.





Duct Calculator Elite
Cyberprodigy LLC
Calculate size, velocity, and pressure drop
™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.

Pace: Running Pace Calculator
Skipjack Studios, LLC
Calculate and track run times
Calculate using intuitive sliders. Input distance and time to determine . View estimated finishing times for different run lengths. Track progress with visual feedback.

Cross Stitch Calculators
Diana Białogrzywa
Calculate fabric size and material needs
Calculate fabric size in centimeters or inches based on count and fabric type. Determine thread consumption for specified stitches. Input project details to estimate material needs. Export calculations for reference.

iConvert - Unit and Currency
Raphael Odermatt
Convert units and track rates
Convert units across 17 categories with 398 options. Switch between currencies using daily updated exchange rates. Access converter on Apple Watch for quick and conversions.

Code Snap: UPC & IPC Pro
Magnitude LLC
Access data, fittings, and main lines
Access plumbing data for UPC and IPC. View fitting take-off dimensions for DWV and H2O. Calculate water line specifications for UPC and IPC. Switch between standards. Retrieve core plumbing tools.

M.A. Ford Machining Calculator
M.A. Ford Europe Ltd
Calculate cutting speeds and feeds for HSM
Calculate cutting speeds and feeds for High Speed with support for ISO materials and adaptive data based on workpiece properties. Adjust parameters via touchscreen for real-time updates. Choose metric or US units. Set maximum RPM limits.
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