Dictionnaire Linternaute is an iPhone application developed by CCM Benchmark Group. This free app is a comprehensive language tool that provides users with access to a wide range of features. With a database of 95,000 words and expressions, it offers a French language dictionary, a thesaurus, an expressions dictionary, a verb conjugation dictionary, a collection of quotes, and a historical dictionary.

The French language dictionary allows users to look up the meaning of words and provides detailed definitions. The thesaurus feature provides access to synonyms with just a click. The expressions dictionary offers the meaning and origin of thousands of well-known and lesser-known expressions. The verb conjugation dictionary conjugates all French verbs in all tenses and moods. The quotes dictionary features a collection of beautiful and rich quotes in the French language, categorized by themes. Lastly, the historical dictionary provides historical dates and events, along with a thematic search feature.

It's important to note that this application requires a 3G or internet connection. For iPod Touch users, the app is only accessible in Wi-Fi mode. Unfortunately, the developer does not provide any contact information for suggestions or problem reporting.