Differences between the Android App and the website

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CutPriceKarpov

I've noticed, as a non-paying member, that on the chess.com App I have access to an opening database but on website I don't. 

Why is this?

Martin_Stahl

The app is part of the new version of the site, v3. You can try out v3 by finding the link at the bottom of most pages that says Try the new chess.com