King's Cross: Chess Openings app for iPhone and iPad

King’s Cross is the easiest way to keep track of your chess openings: Consolidate your repertoire in one place synchronized across your devices, explore new variations, practice your openings and analyze your training over time. King’s Cross helps you gain confidence in your openings.

Note: King’s Cross does not come with pre-installed openings. Instead you can build your own repertoire by entering the variations you consider good.


To include more openings in your repertoire and to get rid of ads, subscribe to King’s Cross Premium. Should you choose to subscribe to King’s Cross Premium, the purchase will be charged to your iTunes account. The subscription will be auto-renewed 24 hours prior to it running out and you can manage it from User Settings in iTunes after purchasing it, and youll also be able to cancel the auto-renewing subscription from there.

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