beSur
A visual, AI-guided way to learn Indian classical music.
beSur is an AI-powered harmonium accompaniment app built for Marva AI LLP, an early-stage edtech serving learners of Hindustani classical vocal music. Their audience: beginner-to-intermediate students who practice between guru lessons and need a structured, intelligent companion.
Off-the-shelf audio libraries couldn't deliver the sub-millisecond latency or pitch precision Indian classical music demands, and existing music apps treat practice as a generic metronome experience rather than the structured, raga-driven discipline it actually is.
App Store
Google PlayWhat we did
One codebase, two platforms
Flutter let us ship pixel-perfect, 60fps experiences on both iOS and Android from a single Dart codebase — halving development time without compromising on native feel.
A custom-built audio engine
We engineered our own audio engine from scratch — built for sub-millisecond latency, real-time harmonium synthesis, and seamless tanpura drone playback. No third-party library hit the bar.
Music meets interaction design
Every swar lights up, every note animates, every raga unfolds visually. We turned centuries-old notation into an interactive, touch-first experience that makes practice feel like play.
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