Daily music creation app with a full in-app DAW
Riff is the xylo companion app: a daily music production and social platform where everyone remixes the same shared daily audio sample, submits their flips, votes, and climbs leaderboards. It ships a full in-app multi-track DAW. Cross-platform React Native + Expo, with a full subtractive synth engine and a secure Express + Supabase backend.
Full in-app multi-track DAW with sample chopper, step sequencer, and subtractive synth
Shared daily-sample remix loop with submissions, voting, and leaderboards
Multi-provider auth: email, Apple Sign-In, Google OAuth with JWKS verification
Six-palette theming system, TanStack Query for data and caching
Security-hardened: strict input validation, JWT in secure store, per-endpoint rate limiting