The app calculates gear ratio, driveline ratio, and vehicle speed using US and Metric units. It supports multiple input methods for tire size and saves calculation history for quick reference.
by Robert Sayman★ 3.01 ratingsUtilities$1.99Data updated 2026-09-10
Create harmonious combinations using wheels. Explore Full (RGB) and Basic Itten's . Generate schemes based on theory principles. Adjust hues, saturation, and brightness. Save and share swatches.
The app measures belt tension sonically by reading vibration frequency. Users can compare their bicycle belt's frequency to a chart or their vehicle's owner's manual for tension recommendations.
The app assists users in determining the correct oil-to-fuel or fuel-to-oil ratio. Users can select their preferred ratio and adjust amounts using sliders and buttons, with options for metric or imperial units.
Calculate proportions using direct and inverse methods. Input known values to find unknowns in equations like "If X Foo equals Y bla, then Z Foo equals [?] bla". Solve for price, quantity, or other proportional relationships.
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Measure objects using touch as or tape measure. Split objects into equal parts and calculate width/height ratios. Estimate diameter, angles, and divide circular objects. Switch between millimeters and inches for units.
Record with one tap, capture high-resolution video without ads or watermarks. Include system audio and microphone input. Edit recordings with trimming, cropping, and effects. Export videos to photo library.
Calculate measurement errors using directivity and mismatch error tools. Convert ratios to decibels. Compute noise figures and antenna parameters. Input values and retrieve calculated results.