Third-party code
DocuPair for Android uses the open-source and platform components below. Each is used under its own licence.
Open-source components (Android)
- OpenCV (Apache License 2.0) for finding the edges of a document and correcting perspective. opencv.org
- PdfBox-Android by Tom Roush (Apache License 2.0), based on Apache PDFBox, used only to protect exported PDFs with a password.
- AndroidX libraries, including Jetpack Compose, CameraX, Room, WorkManager, DataStore, Biometric and Core (Apache License 2.0).
- Material icons by Google (Apache License 2.0).
The Apache License 2.0 is available at apache.org/licenses/LICENSE-2.0. These components are provided "as is", without warranty.
Google components (Android)
Google ML Kit text recognition (bundled model) recognises text on the device, under the ML Kit terms of service. Google Play Billing Library and Google Play services Block Store are used under the Google APIs Terms of Service and the Android SDK terms.
Icons
Interface icons are Material icons from Google, used under the Apache License 2.0.
The app itself
DocuPair © 2026 Unsel Studio. All rights reserved. DocuPair is not open source; this page states plainly what it is built from.
Trademarks
Android, Google Play and ML Kit are trademarks of Google LLC. DocuPair is not affiliated with, endorsed by or sponsored by Google LLC.
support@unselstudio.app