Chris Hayden
←Showcase / Sep – Oct 2025 Sunset

Notionary

Drop in your notes and get a study guide: flashcards, quizzes, and an AI tutor that asks you to explain it back, from age five to mastery.

Problem
Students have notes, but turning them into flashcards and quizzes takes time they'd rather spend studying.
My role
Solo: design, brand, and development across iOS, Android and web, including the LLM integration and billing.
Result
Shipped on all three platforms in 39 days.
FIG. 1Home, a note, flashcards, and a quiz, all generated from the same note.
Role
Design, brand, development across three platforms, LLM integration, and billing.
Team
Solo
When
Sep – Oct 2025
Built with
React Native, Expo, React, Supabase, OpenAI API, Stripe, RevenueCat, Codex, Claude Code
Links
WebsiteGoogle Play
Start a note from a voice recording, audio, a PDF, a photo, a YouTube link, or plain text.
Start a note from a voice recording, audio, a PDF, a photo, a YouTube link, or plain text.
Each note becomes a study hub: flashcards, quizzes, a mind map, a transcript, and translation.
Each note becomes a study hub: flashcards, quizzes, a mind map, a transcript, and translation.
Flashcards: tap to flip, then mark what you know.
Flashcards: tap to flip, then mark what you know.
Multiple-choice and true-or-false quizzes, generated from the note.
Multiple-choice and true-or-false quizzes, generated from the note.
Feynman AI: pick a level from age 5 to mastery, then explain the topic back in your own words.
Feynman AI: pick a level from age 5 to mastery, then explain the topic back in your own words.
The mascot, drawn with an image model and finished in Figma, in outfits for the seasons.
The mascot, drawn with an image model and finished in Figma, in outfits for the seasons.