Deliberate Shadowing Method
Speak Professional English with Reflexive Automaticity
Listen to native prosody. Record your take. Hear the auditory disparity in milliseconds.
🛡️100% On-Device Sovereignty
Your voice recordings remain strictly inside browser IndexedDB. Zero telemetry leaves your device without explicit pin.
🧠5-Box Adaptive SRS
Leitner spaced repetition for connected speech and professional collocations calibrated to your recall intervals.
⚡60fps Cadence Workstation
Real-time phonetic tracking synchronized with native dialogues and YouTube audio tracks at the syllable level.