Bubble Level - Leveler Tool

Turn your iPhone into a precise bubble level. Check surfaces, shelves, furniture and installations with real-time readings, calibration, sound and haptics.

Bubble Level - Leveler Tool turns your iPhone into a simple, realistic spirit level for checking whether surfaces and objects are properly aligned.

Place your iPhone on a surface and watch the physical-style bubble move in real time using your device sensors. Check horizontal, vertical, and flat-surface alignment from one clean and easy-to-use screen.

REALISTIC BUBBLE LEVEL

Experience the familiar feel of a traditional spirit level directly on your iPhone. The realistic moving bubble makes it easy to understand the direction of tilt at a glance.

3 LEVEL VIEWS

• Horizontal Level – Check left and right tilt • Vertical Level – Check upright alignment • Circular Level – Check flat surfaces in all directions

PRECISE X & Y READINGS

View X and Y angle measurements while adjusting a surface for more precise alignment.

EASY CALIBRATION

Calibrate the level for your device to improve measurement reliability and compensate for minor sensor differences.

HOLD & SET ZERO

Freeze the current reading when you want to check it later, or set the current position as 0° for relative measurements.

SOUND & HAPTIC FEEDBACK

Enable sound and vibration feedback to know when a surface reaches your selected level tolerance without constantly looking at the screen.

CUSTOMIZE YOUR LEVEL

Choose from multiple bubble-level colors and styles while maintaining the same clean and familiar leveling experience.

KEEP THE SCREEN AWAKE

Prevent your screen from turning off while you are working on a leveling task.

USEFUL FOR

• Hanging picture frames • Installing shelves • Leveling tables and desks • Aligning furniture • Checking appliances • DIY and home-improvement projects • Checking flat surfaces • General everyday leveling

Whether you call it a bubble level, spirit level, surface level, digital level, bullseye level, or leveler tool, Bubble Level - Leveler Tool gives you a practical leveling tool directly on your iPhone.

Simple. Precise. Ready whenever you need to level something.