What it looks like.

The top play, placed where it goes

The whole list, highest first

Fix a misread tile in a tap

Your game, your word list
Built for three boards.
Which games does it read?
Wordfeud, Words With Friends and Scrabble GO. Each has its own board layout and its own word list, and both are handled natively rather than approximated with a generic solver.
Do I have to type my board in?
No. Take a screenshot in your game and switch back — the board, the premium squares and your rack are already read. If a tile came out wrong you can tap the square and fix it.
Does it need an internet connection?
No. Recognition and the solver both run on your phone, and every dictionary ships with the app. It works on a plane or with no signal.
Do I have to create an account?
Never. No sign-up, no login, no profile. Your board is not uploaded anywhere.
Which languages are supported?
14 word lists across 9 languages. Wordfeud has the widest coverage — Danish, Dutch, English (US and International), Finnish, French, German, Norwegian Bokmål and Swedish. Words With Friends has English, French and Portuguese; Scrabble GO has English TWL, English Collins and French.
Why does the dictionary matter?
Because the games do not share one. TWL and Collins disagree about thousands of words, Words With Friends has its own list, and a Danish Wordfeud board solved against English returns words the game will simply reject.
Is it free?
Yes, free to start — install it and solve a board without paying or entering anything. There is a paid tier for heavier use; the App Store and Google Play listings have the current details.
Is using it cheating?
Against a friend who does not know, that is between you and them. Plenty of people use it the other way round — to learn which words exist and where the points hide, which is how you get better at these games.