Licences and credits
© 2026 adesortis. All rights reserved. No source code is published: the app and the lightmeter files are free to use, not free to copy.
What you can and cannot do
| Download and use the app, including for professional darkroom work | yes |
| Build and use your own copy of the lightmeter, for personal use | yes |
| Copy, modify or redistribute the files | no, author's permission needed |
| Use the app, the lightmeter or anything derived from them for a commercial purpose (selling, paid courses or workshops, monetised content such as YouTube videos) | no, author's permission needed |
Full text in the LICENSE file. To ask for permission for a commercial use, write to support@photo-paper-profiler.com.
The calculation engine derives from the original implementation of the author for this website.
Third-party components
The iPhone app is built with Capacitor and with the Bluetooth LE plugin of the Capacitor community, both released under their own MIT licence (separate from that of Photo Paper Profiler). The app does not load any code from the Internet.
Trademarks
Durst, Gossen, Bergger, Ilford and the other product and company names mentioned are trademarks of their respective owners. The project is not affiliated with any of them.
Credits
The website photo-paper-profiler.com was created in collaboration with Eclisse.
The iPhone version was developed with the help of Claude, an AI assistant by Anthropic, following the requirements, the calibration data and the indications of the author, who also tested the app on the iPhone.
Contact
Questions about the licences: support@photo-paper-profiler.com