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First release! Bubble level, angle finder, compass, ruler and protractor in one fast app. Works offline. No account needed. Pro is a subscription that removes all ads and unlocks every theme. New subscribers can try Pro free for 3 days, and can cancel any time in Google Play.
Bubble level, angle finder, compass, ruler and protractor in one fast app.
Engineer Tools turns your phone into a set of everyday measuring tools: a bubble level, an angle finder, a compass, a true-size ruler and a protractor. It opens straight on a live level, with no ad at launch, and works offline. BUBBLE LEVEL • A circular level and horizontal and vertical vials, all live on one screen. Tap any of them to enlarge it. • Arrows at the rim show which side to raise, and the level glows when you are within your tolerance. • Sound guidance beeps faster as you get closer to level, so you can work without looking. • Read tilt in degrees, percent, mm/m, in/ft or as a 1:n ratio, to 0.1° or 0.01°. • Precise two-point calibration: take a reading, turn the phone 180° on the same spot and take another. It works on any surface. • Hold or Auto-hold freezes a reading, a flashlight lights up dark corners, and the screen stays on while you work. • Choose a fast, balanced or stable response. ANGLE FINDER • Measure the slope of a surface, or the angle of the phone's long edge. • Set zero on any surface to measure relative to it. COMPASS • A compass card that turns to magnetic north, with the heading in degrees and as a direction, for example 245° Southwest. • Works flat in your hand or held upright, and asks for a quick figure-8 when the sensor needs it. RULER • A true-size ruler down the whole screen: millimeters on one side, inches in sixteenths on the other. • Drag two lines to measure between them in cm, in inches and to the nearest 1/16 in. PROTRACTOR • Drag the arms and the vertex to line them up with any angle. The reading shows in large type. • One tap switches to the other side (360° minus the angle). MADE FOR EVERYDAY USE • Three themes: Glass, High contrast and Workshop. • 25 languages, including right-to-left. • Works offline. No account needed. FREE, WITH OPTIONAL PRO Engineer Tools is free with ads, and never shows an ad at launch. Pro is a subscription that removes all ads and unlocks every theme. New subscribers can try Pro free for 3 days, and can cancel any time in Google Play. Good to know: a phone's sensors are accurate enough for hanging pictures, fitting shelves, leveling appliances and DIY projects. For safety-critical or high-precision work, check with a dedicated tool.