wordbase.app - Fan re-make of discontinued word game, Wordbase
One Clue Crossword - One Clue Crossword app allows users to access an extensive collection of more than 1000 different puzzles in order to exercise their brains on a daily basis.
Tanglet - Tanglet is a single player word finding game based on Boggle.
Words in Word - Words in Word app provides features through which you can clear levels by making new words using letters of other words.
Lexica - An open source word-search game.
Crossword Puzzle Free - Crossword Puzzle Free is an app by Redstone Games that provides you with a variety of different puzzles according to various difficulty levels such as easy, medium, hard, and pro, etc.