kakdo°: Angle Protractor

kakdo°: Angle Protractor

Hinge and photo angles

0 ratings
1 review
$1.00

Details

Released
October 15, 2026
Updated
October 27, 2026

Features

kakdo°: Angle Protractor screenshot #1 for iPhone
kakdo°: Angle Protractor screenshot #2 for iPhone
kakdo°: Angle Protractor screenshot #3 for iPhone
iphone
iphoneDuo
ipad
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About

Measure angles in photos and check the opening angle of compatible devices. Save, edit, and share your measurements with notes. Offers a one-time purchase with no ads or subscriptions.

✓Measure angles in photos
✓Check device opening angles
✓Record and save measurements
✓Add notes to measurements
✓Share measurements as PNG or CSV
✓Edit saved measurements
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What's New in kakdo°

1.3

October 27, 2026

- 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.

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User reviews

duoの分度器化が楽しみ

まだiPhoneduo発売してないのでduo関係のアプリは楽しみなんですが、このアプリも楽しみ。ヒンジで角度を測るという発想に惹かれました。
今使っているiPhone16では撮った写真の角度が測れる機能もついてます(これはつかうか?笑)
ただ、こういうduoならではのアプリはどんどん増えていって欲しいので期待を込めて星5です。
duoが届いたら試してみます〜

Developer apps

FAQ

What is kakdo°?

kakdo° is a utility app that allows you to measure angles within photos and check the opening angle of compatible devices. It offers a one-time purchase with no ads or subscriptions.

How much does kakdo° cost?

kakdo° is a paid app with a one-time purchase price of $1.00. There are no subscriptions or in-app purchases required after the initial buy.

Does kakdo° have ads?

No, kakdo° is ad-free. The app explicitly states 'No ads or subscriptions' in its description, offering an uninterrupted user experience.

What devices does kakdo° support?

kakdo° supports both iPhone and iPad devices. Photo features require iOS/iPadOS 26.5 or later, while live hinge readings require compatible iPhone Duo hardware and iOS 27.1 or later.

How often is kakdo° updated?

The app was last updated on October 20, 2026, to version 1.2.1. This indicates a recent update, suggesting ongoing support and potential for future improvements.

Can I share my measurements from kakdo°?

Yes, you can share your photo measurements from kakdo° as a PNG image or a CSV file. This allows for easy integration into other projects or workflows.

What is the age rating for kakdo°?

kakdo° has an age rating of 4+. This means it is suitable for users of all ages and does not contain content typically considered inappropriate for young children.

Are the photo measurements in kakdo° always accurate to real-world objects?

Photo measurements in kakdo° are 2D angles within the image plane. The viewing direction and point placement can cause them to differ from the real object's actual angles.