Kumquats is described as 'A word game where you place letters to create intersecting words as quickly as possible'. There are more than 10 games similar to Kumquats for a variety of platforms, including Android, Android Tablet, Windows Phone, iPad and iPhone. The best alternative is Tanglet, which is both free and Open Source. Other Kumquats like games are Microsoft Wordament® (Freemium), Ruzzle (Freemium), Wordathon (Free) and ReWordz (Freemium).
Tanglet is a single player word finding game based on Boggle. The object of the game is to list as many words as you can before the time runs out. There are several timer modes that determine how much time you start with, and if you get extra time when you find a word.
4WORD4 is a fun, addictive word game. Create words in a 4×4 grid of letters to score points and advance to the next level. Focus on making longer words to score higher points. Find the required numbers of words to complete the level.
Given 4x4 board of letters, the object is to find as many words as you can in limited time by moving your finger over the letters. At the end of each round, your rank against other online players who played same game is shown.
The goal of the game is to create meaningful words from the randomly given letters and get points. The word checklist contains more than 90.000 words, but if you don't find a word you can add it to the list.