LetMix is ​​a very simple and easy to use word checker. Use it for Scrabble, Wordfeud, or any other word puzzle game.

Just enter the characters you have and hit the search icon. In moments, LetMix will find all the valid words that can be combined with the entered characters.

If you prefer, you can add letters that start or end a word.

Advantages:
-Easy to use
-Extremely fast
-No limitation of 7 letters
-Use the sign ? for blank cells
-Starting words/letters can be used
-Contents obtained.
-The word list is the same used by WordFeud
-More than 260,000 words available.
-Does not require online access.

Everything is stored directly on your phone so you don't need any kind of connection in other words you are free to use the app anywhere in the world. It can be on a beach in Ibiza, next to the beach in the Canary Islands or on the same moon where a very good Internet connection is not expected.