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