Dictionnaire Français Complet by devlopper.soft is an Android app that offers an extensive dictionary with over 550,000 words and countless inflected forms, including verb conjugations. The app works offline, only using the internet when a word is not in the offline dictionary. Users can easily browse words by swiping their finger and take advantage of features such as bookmarks, personal notes, and history with the ability to save favorites and notes. The app also includes a crossword solver feature, allowing users to replace unknown letters with the symbol "?" and groups of letters with the symbol "*".

Dictionnaire Français Complet also has a random search button for discovering new words, and users can share definitions with other apps such as Gmail or WhatsApp. The app is compatible with Moon+ Reader and FBReader, and includes an OCR plugin for camera search on devices with a rear camera. Special search options allow users to search for words with suffixes or those containing a specific word. The app also offers customizable settings such as user-defined themes with text color, a floating button for search, history, favorites, random search, and sharing definitions, persistent search option for automatic keyboard startup, adjustable text-to-speech options, and customizable font size and line spacing.