inspiration
flashcards work way better when you’re forced to say the answer. the problem? most apps make you grade yourself. i wanted something that would listen to my spoken answers, mark them for me, and feed that data back into the study schedule.
what it does
zorbtion is a voice-powered flashcard app:
- you speak your answer aloud.
- elevenlabs transcribes it.
- gemini grades it for accuracy and depth.
- the score feeds a spaced-repetition engine that decides when you’ll see that card again.
how we built it
- bolt for the web stack
- elevenlabs for fast, on-device transcription
- gemini for AI grading and feedback
- a custom spaced-repetition algorithm that flexes with each new score
challenges
- tuning that algorithm so “easy” cards don’t vanish and “hard” cards don’t haunt you every minute
- balancing latency (voice → text → grade → next card) to keep sessions snappy
wins
- shipped a fully working prototype with a slick UI
- first testers said “it actually feels like a coach, not a quiz app”
lessons learned
flashcard apps have been coasting—we can push them further with voice and smart feedback loops.
what’s next
- iterate on the algorithm with real-world data
- plug zorbtion into tools people already use (notion, obsidian, whatsapp)
- polish the design and launch native apps
Built With
- bolt
- elevenlabs
- geminiapi
- supabase
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