KAKDO° (Angle Protractor)
HIROTO MUGIKURA · Utilities
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About
Measure photo angles, keep the context, and use the results later. KAKDO° is a photo measurement notebook for iPhone and iPad. Choose a photo or start with the editable original example. Place an endpoint, the vertex second, and the other endpoint. Drag points to align with edges, zoom and pan, or fine-adjust with the arrow controls. Tap the number to switch to the supplementary angle, 180° minus the measured angle. • Add and name multiple angles on one photo. • Give the measurement a title and notes. Tap Save to keep an app copy of the photo and its points on this device. • Reopen saved measurements, adjust their points or notes, and save the changes. Delete entries you no longer need. • Share the full-photo annotated PNG and a CSV containing all its measured angles through the system share sheet. The original in Photos is unchanged. The developer does not collect or upload photos or measurements. No account, ads, analytics, subscriptions or in-app purchases. Local photos and saved measurements work offline. A photo only in iCloud may need a system download; the sharing destination you choose may use the network. Photo results are 2D angles in the image plane, not physical 3D angles. Perspective and point placement affect them. Whole-degree display is not an accuracy guarantee. Photo measurement requires 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 points and the optional hand-controlled 3D illustration never generate a Live reading.
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