Digital Protractor & Level

Choose your favorite startup tool or let Most Used open it automatically. Clearer angle readings and precise Photo Angle tools. Pro is one-time.

Built for construction workers, carpenters, installers, DIYers, and anyone who needs a clear angle reading.

Digital Protractor & Level gives you four clean, high-contrast measuring tools: Protractor, Level, 4 Corners, and Photo Angle. Large readings and controls stay easy to see, and the layout adjusts when you rotate your phone.

FREE PROTRACTOR

• Read angles with the realistic protractor • Automatic short-edge and long-edge measuring • Clear portrait and landscape layouts • Keep using the basic protractor without a time limit

PRO FEATURES — $3.99 ONE TIME

• Traditional bubble level with numerical readings • Large 4 Corners bullseye level for surface tilt • Photo Angle: choose a photo and drag a corner and two endpoints to measure the angle between them • Zero and calibrate on any surface • Hold readings while you move • Set a target angle with haptic guidance • Hear measurements spoken aloud • Use the flashlight in dark spaces

PHOTO ANGLE

Measure a corner, roofline, or drawing in a photo. Reposition all three points, reset the lines, or rotate your phone while keeping your measurement. Photo Angle measures the angle as it appears in the image; perspective can change the real-world angle, so use a straight-on photo.

Photos and measurements are processed on your device and are not uploaded by the app. Only the photo you choose is shared with the app through the system photo picker. Photos stored only in iCloud may need an internet connection to open.

The basic protractor is free. Unlock Pro permanently for one $3.99 purchase. Existing Pro owners get Photo Angle at no extra cost. There is no new trial, subscription, recurring charge, advertising, or account. Internet access is needed for purchases and restoring Pro.