Check Angle

Check Angle is a professional and easy-to-use angle meter, inclinometer, clinometer, and bubble level app that turns your smartphone into a powerful slope measurement tool.

Whether you're working in construction, carpentry, interior design, engineering, photography, or DIY projects, Check Angle delivers accurate real-time angle readings with up to 0.1° precision.

Dual Measurement Modes
Surface Mode (Digital Bubble Level)

Place your phone directly on any surface
Real-time pitch, roll & inclination tracking
Visual bubble level indicator
Automatic slope percentage calculation
Smart status detection: Level, Slight, Moderate, Steep slope
Perfect for leveling furniture, checking walls, aligning frames, installing shelves, or measuring roof slope.

Camera Mode (AR Angle Finder)

Measure angles from a distance
Crosshair overlay with horizon guide
AR-style measurement interface
Ideal for roof pitch, elevation angles, photography alignment
Smooth real-time readings
Camera permission optimized for performance

Save & Track Measurements

Save unlimited measurements
Timestamp history tracking
Identify Surface or Camera mode for each entry
Delete individual measurements or clear all
Great for site inspections and professional records

Smart & Modern Interface

Color-coded angle indicators (Green, Cyan, Orange, Red)
Hold / Lock feature to freeze readings
Live home screen preview
Lightweight and battery efficient


Why Choose Check Angle?

✔ High precision digital inclinometer
✔ Accurate slope percentage calculator
✔ Simple and professional interface
✔ Works offline – no internet required
✔ Ideal for builders, engineers, architects, photographers & DIY users