Rules Measure vs Workshop Calc

Rules turns your iPhone and iPad into calibrated, practical measurement tools. Use Rules to measure with confidence on screen: - Standard Ruler with imperial and metric units - Protractor Tool with a draggable ray for angle measurement - Shape Display for circles, rectangles, triangles, and polygons at real size - Polygon Tool with perimeter, area, edge lengths, and interior angles - Actual Size Viewer to display images at true physical size using image DPI metadata Built for accuracy: - Per-device display calibration - Manual calibration override for custom tuning - Fast unit switching between imperial and metric - Clean interface optimized for quick, repeatable measurements Whether you are checking print/layout scale, design dimensions, or geometry, Rules gives you reliable on-screen measuring tools in one app.

Workshop Calc is an offline metal and machinist calculator for workshop estimates and job records. Use it to estimate metal weight, convert fractions and units, check thread and tap drill sizes, browse drill and material references, save calculations to jobs, and export job sheets or coordinate files. Free tools cover common shop calculations including metal weight, unit conversion, tap drill estimates, drill charts, material lookup, and right triangle math. Workshop Calc Pro unlocks Sheet Metal Bend calculations using bend allowance, bend deduction and K-factor for a single-bend flat-length estimate, plus other advanced tools, full references, unlimited jobs and history, custom shop data, and PDF, CSV, DXF, JSON and guarded G-code template exports. The app is local-first, requires no account, shows no ads, and is built for offline shop use. Results are estimates and starting points. Verify critical work with official standards, manufacturer data, and qualified professionals.