Lucien
Everything runs smoothly with Lucien!
Lucien is your personal encyclopedia for the home and everyday life. Capture your documents, photos, breakdowns and repairs : Lucien files them, remembers them, reminds you of due dates and answers your questions from your own data.
Capture effortlessly
Photos, documents, dictation, links : everything becomes a neatly filed record, in the right category.
Ask Lucien
Ask a question and Lucien answers from your own records, citing its sources — one tap opens the document.
Never forget again
Maintenance, warranties, recurring tasks : Lucien spots due dates and reminds you.
Your data stays yours
Everything lives on your phone and in your own Google Drive. We run no server that stores your data.
Privacy first
Lucien is a local-first app. Your documents and records are stored on your device and backed up to your own Google Drive — never on a server we own. AI features use your own Google Gemini API key. No ads, no trackers, no data selling. Read the privacy policy →