An open-source project demonstrates local OCR on an iPhone with Apple’s Vision framework and provides an API accessible to devices on the same network.
The open-source iOS-OCR-Server project uses Apple’s Vision framework to perform OCR on an iPhone. Processing is described as local to the device.
The project also provides an API that devices connected to the same network can access. This lets engineers explore on-device OCR through a network interface.
To evaluate a similar approach, test with sample images and confirm which devices can reach the API on the network. Also check how the app handles errors and which data is sent or retained on the device.
If you use AI to study or apply the project, avoid submitting real documents containing personal data unless necessary. Rota Nacional’s personal-data barrier operates before model execution according to the organization’s policy; usage metadata stays in the dashboard, while raw prompts and completions are kept only in an encrypted audit archive.