Opening Database for iphones - Chess Forums

Just got a new iphone, and discovered that the opening database I've long used (called simply "openings") no longer exists and can't be downloaded to my new phone. Are there other apps people recommend?

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Opening Database for iphones - Chess Forums

Opening browser version from within iPhone app - Chess Forums

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House of Staunton peg wooden travel chess set is junk and 100% fails at being a travel chess set. I welcome your recommendation for something better for travel. : r/chess