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Bubble level, spirit level, ruler, protractor, compass & more measuring tools
Bubble Level & Spirit Level turns your phone into a precise leveling toolbox. Check if a shelf, picture frame, table or floor is perfectly flat in seconds – plus 13 handy measuring tools in one free app. Whether you're hanging frames, installing shelves, setting up furniture or working on a DIY project, this bubble level gives you accurate readings with a clean, easy-to-read display. 📐 LEVELING TOOLS • Bubble Level – classic spirit level for horizontal and vertical surfaces • Surface Level – big bullseye level for tables, floors and countertops • Plumb Level – check walls, poles and door frames for true vertical • Camera Level – live horizon line over your camera view • Caravan Leveler – shows how high to lift each wheel of your RV, camper or trailer 📏 ANGLE TOOLS • Protractor – measure any angle • Angle Finder – set a target angle and hear a beep when you reach it • Slope / Roof Pitch – grade %, roof pitch and ratio • Compass – heading and direction 📐 MEASURING TOOLS • Ruler – on-screen ruler in cm and inches • Height Meter – estimate the height of trees and buildings 🔍 DETECTOR TOOLS • Sound Meter – measure noise level in decibels (dB) • Metal Detector – find pipes, nails and studs using your phone's magnetic sensor • Vibration Meter – live seismograph for vibrations 🎯 ACCURATE & EASY TO USE • One-tap calibration for the most accurate readings on your device • Precise angle display in degrees • Save readings and review them later in History • Light and dark themes • Available in 30+ languages ✅ PERFECT FOR • Hanging pictures and mirrors • Installing shelves, cabinets and TVs • Setting up furniture, appliances and pool tables • Construction, carpentry and tiling • Leveling a caravan, RV or camper • Home improvement and DIY projects ⚡ LIGHTWEIGHT & FAST • Small app size, smooth performance • Low battery usage • Works offline – no account or sign-up needed 💡 HOW TO USE THE BUBBLE LEVEL 1. Open the app and pick a tool 2. Place your phone on the surface (or against it) 3. Center the bubble – when it turns green, your surface is level For best results, calibrate once on a known flat surface. Accuracy depends on your phone's sensors; the Metal Detector and Sound Meter need a magnetometer and microphone. Download Bubble Level & Spirit Level now and get a complete spirit level, protractor, ruler and compass toolbox in your pocket!