Developer & Maker

Guillaume Voisin — I build beautifully simple apps

Turning complexity into calm — privacy-first, beautifully minimal, and built to last.

01
Plume app icon

Plume

Local-first journaling for the AI era. Capture every day with clarity and calm — your thoughts stay on your device, encrypted and private.

Privacy-First AI Insights iCloud Sync Zen Mode
macOS iPad iPhone
View Project
02
Moto app icon

Moto

Habits that adapt to your rhythm. A calm, distraction-free tracker with forgiving streaks — because life doesn't follow rigid schedules.

Forgiving Streaks Voice Input SwiftUI Native ADHD-Friendly
Mac iPhone
View Project
03
Mingle Maps app icon

Mingle Maps

Discover events happening around Budapest. A beautiful map-based experience that surfaces concerts, meetups, and happenings — so you never miss what's going on in your city.

Event Discovery Map View Budapest Real-Time
iPhone Web
View Project
04

Teachee

On-the-fly conversational training for language teachers. One click to record, translate, and generate practice materials — used by 1,200+ teachers worldwide.

30+ Languages AI Voice Anki Export Real-Time
Web
View Project
Teachee