Dictionnaire de français TLFi +4

Extremely good. I use this o get the same depth of info I would otherwise only get from a big 10lb dictionary. Have had it and relied on it for nearly a full year now. As good and better than the expensive dictionaries you can get. Buy it. No, I'm not affiliated and have no clue who makes it -- something I ten to wonder when I read good reviews.

Also, the depth is good for a beginner or someone who is fluent and has studied the language and translates professionally, and wants to get even into the nuances of the language for communication or out of simple academic interest.

Lesson learned about buying old, unsupported apps. Every word I try to look up gets a “Sorry. Error encountered. Try later.” message.

Stop selling a broken app on this platform.
How do I get my money back?

Very clear layout, very rich content, very easy to use. Start typing a word and a list appears so you can soon select the one you are looking for. Very rich in quotations using the defined words. You do have to be online to use it. An excellent all-French dictionary for anglophones who have had a lot of experience reading in French. It's fun to browse the content to improve one's French.