Inspiration
As students, we’ve often struggled to keep up with lectures — especially when they move fast, involve complex concepts, or are delivered in unfamiliar accents. International students face this challenge even more acutely. We wanted to build a tool that ensures no student ever misses an idea just because they couldn’t take notes fast enough. That’s how Audio Quill was born — a transcription-plus-note assistant designed to bridge the gap between listening and learning.
What it does
Audio Quill records lectures and instantly generates accurate, searchable transcripts. Beyond simple transcription, it:
- Highlights key concepts automatically.
- Links related ideas across subjects.
- Generates summaries, flashcards, and quizzes to reinforce learning.
- Supports translation, so language never becomes a barrier.
- Makes notes easily shareable among peers.
In short: Audio Quill helps students capture every word and transform it into learning material.
How we built it
- Frontend: Built with Flutter for a clean, responsive interface.
- Backend: Supabase (Postgres + Edge Functions) for authentication, storage, and real-time data handling.
- AI Integration: Google Gemini for transcription analysis, structured summaries, and flashcard/quiz generation.
-Monetization: RevenueCat for managing subscriptions, payments, and in-app purchases seamlessly. - Storage: Supabase Buckets to handle audio file uploads and transcript retrieval.
- Design: Minimal, student-friendly UI with accessibility in mind.
Challenges we ran into
- Handling large audio files efficiently without lag.
- Optimizing AI-generated outputs (summaries, quizzes) to keep them accurate and useful.
- Ensuring smooth integration between Supabase edge functions and Gemini while managing CORS issues.
- Designing a simple but powerful UI that appeals to students under pressure.
Accomplishments that we're proud of
- Successfully created an end-to-end flow: record → transcribe → summarize → quiz.
- Made transcripts searchable and shareable, increasing collaboration potential.
- Kept the app lightweight, fast, and accessible across devices.
- Brought together multiple AI and backend components into a single cohesive experience.
What we learned
- Building AI-powered educational tools requires balancing accuracy with usability.
- Students need more than just transcripts — they need structured, digestible study aids.
- Supabase proved to be a powerful ally for building quickly and securely.
- Publicly sharing our progress (#BuildInPublic) helped us refine ideas based on real feedback.
What's next for Audio Quill
- Add voice diarization to distinguish between multiple speakers (e.g., professors + students).
- Support offline mode for students in areas with limited internet access.
- Introduce gamified learning features to make flashcards and quizzes more engaging.
- Explore integrations with platforms like Google Classroom, Notion, and Microsoft Teams.
- Launch a pilot with international students to gather deeper feedback and improve adoption.
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