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