Proust : vocabulaire français

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About this app

French isn't just the three hundred words we use every day. Proust helps you discover the rest.

Open the app and scroll. You'll find rare words, expressions, and the origins of things we say without thinking. Each entry tells a story instead of reciting a definition, and that's why it sticks.

WHAT YOU'LL FIND

Rare words, with their definitions, pronunciations, etymologies, synonyms, and examples showing how to use them without sounding like you're reciting from a dictionary.

French expressions, from "donner du fil à retordre" (to give someone a hard time) to "faire la pluie et le beau temps" (to make or break the weather), with their true meanings.

"Why do we say…" explanations that go back to the source: why we say "avoir le cafard" (to have the blues), why verlan (backwards slang) is called verlan.

Eighteen categories to choose your subject: history, environment, society, art, the human body, etymology, cooking, conversation, characters, expressions, literature, emotions, technology, science, travel, office, music, and slang.

Short quizzes to reinforce what you've just read, and in the evening, the app reminds you of what you almost forgot.

A chapter-based learning path, with levels and mini-games, to progress in a different way than just reading.

Your favorites, bookmarks, and history, to easily find any entry you've encountered since day one.

A series to maintain, milestones to unlock, and statistics that clearly show what you've learned.

A widget on your home screen, reminders you can set for a time that suits you, themes, and icons to personalize the app to your liking.

WHO IS IT FOR?

For those who write and search for the perfect word. For those preparing for a competition or exam. For those who read a lot and still stumble over words they don't dare use. And for those who believe the French language deserves better than it's currently treated.

PROUST PREMIUM

The app is free and always will be. The premium subscription removes the daily limit, unlocks the entire learning path with its challenges and mini-games, all categories, all themes and icons, and unlimited review and practice.

The subscription renews automatically unless canceled at least 24 hours before the end of the current period. You can manage and cancel it at any time from your Google Play account settings.

Privacy Policy: https://proustapp.org/confidentialite
Terms of Use: https://proustapp.org/conditions
Rare words, expressions, origins: enrich your vocabulary every day
Updated on
Aug 29, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Financial info and Device or other IDs
  • This app may collect these data types
    Personal info, Financial info and 3 others
  • Data is encrypted in transit
  • You can request that data be deleted
Content rating
Everyone
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App support

About the developer
KAZOUINI MOHAMED-AMINE
kazouinipcsi@gmail.com
37 RUE LA QUINTINIE 75015 PARIS France
+33 6 49 31 50 44