Okna is a free app. Service is provided by the app at no cost and is intended for use as is.
Information Collection and Use
All the data used by the Service is stored at Google Firebase cloud storage.
You can find more information at https://firebase.google.com/support/privacy
Links to Other Sites
This Service may contain links to other sites. If you click on a third-party link, you will be directed to that site. Note that these external sites are not operated by the Service.
Support
If you have any issues, questions or suggestions, please contact author by e-mail at oknapublic@gmail.com