Bubble Level Pro: Spirit, Tilt

Turn your iPhone into a precision spirit level. Bubble Level Pro uses your device's built-in motion sensors to deliver accurate, real-time tilt and angle readings — whether you're hanging a picture frame, mounting a TV, leveling a shelf, or checking if a surface is truly flat. No ads. No internet required. Just a clean, professional tool that works anywhere. ▸ THREE PRECISION MODES • 2D Bubble Level — A classic circular level showing tilt in both pitch and roll. Perfect for surfaces, tables, and floors. • 1D Single-Axis Mode (Premium) — Hold your phone sideways against a shelf, picture frame, or window edge to align it horizontally with one-axis precision. • Surface Flatness Test (Premium) — Place your phone flat on any surface to instantly see if it's truly level, with strict tolerance and color-coded feedback. ▸ PROFESSIONAL TOOLS • Real-time pitch and roll readings down to 0.1 degree • Live bubble that responds to every micro-movement • Glow feedback when perfectly level • Manual calibration to zero out reference surfaces (Premium) • Angle lock to capture any angle and measure relative tilt (Premium) • Five premium color themes — Classic Green, Ocean Blue, Sunset Orange, Rose Pink, Violet Glow ▸ WHEN TO USE BUBBLE LEVEL PRO • Hanging picture frames and shelves perfectly straight • Mounting wall TVs and curtain rods • Leveling furniture, washing machines, and appliances • Checking if a workbench, table, or counter is flat • DIY projects, carpentry, and home renovation • Camping setups, photography tripods, and equipment alignment • Verifying the slope of ramps, drains, and surfaces ▸ WHY CHOOSE BUBBLE LEVEL PRO? • Zero ads — ever. We don't believe in interrupting your workflow. • Works fully offline — no internet, no tracking, no signups. • Privacy-first — sensor data never leaves your device. • Fast and lightweight — no clutter, no learning curve. • Premium one-time purchase — pay once, use forever. No subscriptions. ▸ PREMIUM UPGRADE Unlock the full toolkit with a single one-time purchase: • 1D single-axis precision mode • Surface flatness test mode • Manual calibration • Angle lock & relative measurement • Five exclusive color themes ▸ DISCLAIMER Bubble Level Pro is intended for general-purpose use, hobby projects, and DIY tasks. For professional construction, engineering, or safety-critical applications, please use a certified instrument. Accuracy depends on your device's sensor calibration. ▸ SUPPORT Questions, feedback, or feature requests? We'd love to hear from you. Reach out anytime — every email is read by a real person. Download Bubble Level Pro today and never hang another crooked frame. Privacy Policy: https://docs.google.com/document/d/1SvrzZ-esn5WL-Mtm9k_CU4FnCWhZVcFV0AgjnVKQTuI/edit?usp=drive_link Terms & Conditions: https://docs.google.com/document/d/16F2wzTrQNX5dEZpmea1Jqr7ZhadtXa5DJZQ24I4Qg4Y/edit?usp=drive_link