Work.

Projects

Pululu

A language-learning call app to connect with native speakers of your generation.

AILanguage LearningCalls
Pululu — 1Pululu — 2Pululu — 3Pululu — 4
Latest release v2.8.0 2026.06.24
Added a new feature that lets you play games together during calls!
Added streaks with friends!
Improved call stability and fixed issues with the display and UI.
Overview

A mobile app offering a new language-learning experience with real-time calls, AI feedback, and personalized lessons — learn living expressions by actually talking with native speakers of your generation.

Role

Founder / Software Engineer

Impact

Released as an iOS app and live on the App Store.

What I built
  • Designed and built the real-time, high-quality voice-call conversation experience
  • AI feedback that checks pronunciation and grammar after each call
  • Personalized learning tuned to interests and level (AI Report → Lesson → Practice)