Giant Jumble Crosswords - Giant Jumble Crosswords is an app by Adveractive Inc.
String of Words - String of Words is an app by Nickel Buddy LLC that comes up with features to help users in creating a chain of words so they can solve puzzles to boost up their skills.
Words in Word - Words in Word app provides features through which you can clear levels by making new words using letters of other words.
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.
Pictocross - Pictocross app offers various crossword puzzles that let you find and trace new words by using pictures to get clues about letters.
Between the lines - Between the lines app enables users to identify the hidden words so they can find out the whole phrase to train their brain in recognizing words.