Small, calm, themed crosswords

CrossAcross is an iPhone app of little crosswords, from 4×4 to 7×7, each built around a hidden theme. It plays entirely offline.

• DailyThree new puzzles every day, easy to hard, on the day’s theme.
• Airplane ModeAn endless flight of puzzles at your own pace. Solving time becomes distance flown.
• 5-Minute MadnessAs many puzzles as you can in five minutes, alone or against a friend.