kakdo°: Angle Protractor

Hinge and photo angles

$1.00

Opening angles and angles in photos. kakdo° lets you check a compatible device’s opening angle as a number, and measure and record angles in photos. ■ See the opening angle On compatible hardware, the angle follows the hinge as it opens and closes. Check the opening angle and its supplementary angle as numbers. ■ Measure photo angles Measure an angle that catches your eye in a photo. Keep several angles on one image. ■ Keep your photo measurements Add notes and save photo measurements on your device. Reopen and edit them later, or share a PNG image or CSV. One purchase. No ads or subscriptions. Photo features require iOS/iPadOS 26.5 or later. Separate Live hinge readings require compatible iPhone Duo hardware, iOS 27.1 or later, and available public-API data. Photo measurements are 2D angles in the image plane. Viewing direction and point placement can make them differ from the real object’s angles.

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- With your consent, diagnostic data is shared automatically during hinge measurement. Temporary sending failures are retried automatically, and sharing can be stopped in settings. - Double-tap the Duo angle readout to switch between opening and supplementary angles. - Added an optional Duo dual-display mode with a live camera alignment preview.

Version 1.3

The developer, HIROTO MUGIKURA, 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 Not Linked to You

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

    • User Content
    • 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
HIROTO MUGIKURA
Size
5.5 MB
Category
Utilities
Compatibility
Requires iOS 26.5 or later.
  • iPhone
    Requires iOS 26.5 or later.
  • iPad
    Requires iPadOS 26.5 or later.
Languages
English and 15 more
  • English, Arabic, French, German, Hindi, Indonesian, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Thai, Traditional Chinese, Turkish, Vietnamese
Age Rating
4+
Copyright
© 2026 HIROTO MUGIKURA
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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