Knotwords

“If you’re a word game aficionado/addict like me, this phone app is such a satisfying complement to the NYT ones! You make words given the letters available to you in a cluster — that’s it! It gets harder throughout the week, but isn’t really so hard as to be annoying; it somehow doesn’t require internet (so comes in clutch when you want to kill time on an airplane); and there are streaks, but if you forget a day or five, you can regain that streak when you come back to it by playing for a week. A near-perfect way to exercise your brain every day.”