UnitStack vs RulePad

UnitStack lets you stack multiple unit conversions at once—so you never have to switch units or reselect conversions again. Your conversions are always saved. Open the app and start typing. Add custom units too—like that old reliable sauce spoon. Built for speed and clarity • Stack multiple conversions at once • Persistent values — pick up where you left off • Minimal, distraction-free interface • Custom color themes, including your own • Support for custom units of measure Whether you’re comparing measurements, converting currencies, or working across systems, UnitStack keeps everything visible and friction-free. Currency exchange rates are provided by Frankfurter (ECB reference rates).

RulePad is your all-in-one measurement toolkit. Screen rulers, AR measurement, protractor, and photo measurement — everything you need in one app. RULER • Multiple rulers on a free-form canvas • L-ruler for measuring corners • Metallic silver design with precise tick marks • Full-screen ruler mode with edges on all four sides • Pinch-to-resize protractor for angle measurement • Custom calibration for any device AR MEASURE • Tap to measure distances in the real world • Flexible tape mode — follow curves and edges • Close loop for floor plans with area calculation • Drag to adjust placed points • Screenshot measurements with annotations • Triangle and polygon angle display PHOTO MEASURE • Measure objects in photos • Calibrate with preset reference objects (coins, cards, paper) • Pinch to zoom for precision placement • Track sizes over time HISTORY • All measurements saved automatically • Export to 2D technical drawings Privacy Policy: https://quietbyte.io/privacy-rulepad.html