Bubble Level

Turn your smartphone into a precise bubble level using the built-in accelerometer sensor. Whether you're hanging a picture, leveling a shelf, or checking a surface — Bubble Level gives you an accurate, easy-to-read spirit level right in your pocket. ★ SURFACE MODE Place your phone flat on any surface. A 2D bubble shows tilt in all directions with precision guides and crosshairs. See exactly how far off level you are. ★ EDGE MODE Stand your phone on its edge against a wall, frame, or any vertical surface. A horizontal bar shows precise left-right tilt alignment — perfect for hanging pictures and mirrors. ★ REAL-TIME ANGLE DISPLAY Large, easy-to-read degree readout updates instantly. Color-coded feedback: green when level, yellow when close, red when tilted. ★ COLOR FILL VISUALIZATION Full-screen color fill rotates with your device, making it easy to see tilt direction even from a distance. Great for hands-free positioning. ★ HAPTIC FEEDBACK Feel a gentle vibration when the surface is perfectly level. No need to watch the screen — just feel when it's right. ★ LOCK & CALIBRATE Lock the current reading to compare later. Calibrate the sensor to zero on any surface for precise relative measurements. ★ PORTRAIT & LANDSCAPE Works in both orientations. The layout adapts automatically with correct axis mapping for accurate readings in any position. ★ DARK & LIGHT THEMES Choose your preferred theme or let the app follow your system settings. ★ MULTI-LANGUAGE Available in English, Russian, and Ukrainian. Perfect for: • Home improvement — hang pictures, shelves, and mirrors straight • Construction — quick level checks on the job site • Photography — level your camera or tripod for aligned horizons • DIY projects — check furniture, appliances, and surfaces No internet connection required for the level functionality. Simple, fast, and accurate.