Protractor+ Angle

Gyroscope Angle Meter

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Measure angles with gyroscope precision. Perfect for construction, carpentry, and DIY projects with real-time angle tracking. Protractor+ Angle measures angles precisely using your iPhone's gyroscope. Whether you need to measure a surface angle, check a slope, or verify construction geometry, this app delivers accurate results. Place your phone on any surface and instantly see the angle measurement. The real-time gyroscope tracking provides smooth, responsive readings for any angle. Perfect for carpentry, construction, DIY projects, and educational purposes. Measure roof pitch, pipe angles, furniture assembly angles, and more with professional-level accuracy. Hold and lock readings for easy reference. Switch between degrees, radians, and percentage slope formats. Clean, precise interface designed for quick measurements in the field.

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Improved app launch experience with smoother ad loading sequence.

Version 1.0.5

The developer, Kyu-Hee Jang, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers
    • Usage Data

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Identifiers
    • Usage Data
    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
  • Kyu-Hee Jang
Size
  • 34.8 MB
Category
  • Utilities
Compatibility
Requires iOS 15.1 or later.
  • iPhone
    Requires iOS 15.1 or later.
  • iPod touch
    Requires iOS 15.1 or later.
  • Mac
    Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
18+
Copyright
  • © Copyright 2026 Simon Jang. All rights reserved.
  • Developer Website
  • Privacy Policy

    • More by Kyu-Hee Jang