Turn your iPhone into a precision digital spirit level. Leveler uses your device's built-in gyroscope and accelerometer to measure tilt angles in real time — perfect for construction, woodworking, DIY projects, and everyday tasks. BUBBLE LEVEL A realistic bubble moves within a circular level, just like a traditional spirit level. When the surface is perfectly level, the bubble snaps to center and glows green with haptic feedback confirmation. DIGITAL LEVEL View precise X and Y angle readings with large, easy-to-read numbers. Horizontal and vertical bar indicators give you a quick visual reference for alignment. KEY FEATURES • Real-time angle measurement updated 60 times per second • Bubble and digital display modes • Calibration system — set any surface as your zero reference • Save and organize unlimited angle readings with notes • Haptic feedback when level is achieved • Works in portrait and landscape orientation • Grid overlay for enhanced visual precision • Dark interface designed for job site visibility SAVE & ORGANIZE Tap to save any reading with automatic timestamps. Add custom names and notes to keep your measurements organized. Review, rename, or delete saved records anytime. CALIBRATE WITH CONFIDENCE One-tap calibration lets you set your current position as the zero reference point. Calibrate on a known level surface for maximum accuracy. Reset calibration anytime to return to factory defaults. BUILT FOR PROFESSIONALS & DIY Whether you're hanging picture frames, leveling furniture, checking floor slopes, aligning shelves, or working on a construction site — Leveler gives you the precision you need, right in your pocket. No ads. No subscriptions. No internet required. Thank you for your support! Visit nitrio.com for more apps for your iOS devices.