BUY JUST ONE SOLITAIRE APP FOR IPHONE AND IPAD.

Play 36 different card solitaires on your iPod, iPhone or iPad:
Agnes, Auld Long Syne, Baker's dozen, Canfield, Castle, Chameleon, Checkerboard,
Deposit, Easthaven, Elevens, Fifteens, Flower Garden, Fortress, Four seasons,
Irish trefoil, King Albert, Klondike, Old patience, Puss in the corner, Pyramid, Rainbow, Spiderette, Stalactites, Streets and alleys, Thirteens, Thumb and pouch, Westcliff, Whitehead, Will o' the Wisp, Yukon, Osmosis, Scorpion, Moojub, Holes, Golf, Marriages.
Simple playing by touching and/or dragging cards; unlimited undo; built-in rule description and intelligent hints.
It supports zoom and pan gestures (with two fingers).
No frills. No music. No timing. Just relax and play.