Sotto

Sotto turns your phone into a personal simultaneous interpreter. Place it in your line of sight during any live performance, and watch real-time translated subtitles appear as performers speak. DESIGNED FOR LIVE EXPERIENCES Unlike pre-made movie subtitles, live performances are unpredictable — you never know what the next line will be. Sotto listens and translates in real time, with just 1-2 seconds of delay, so you never miss a moment. PERFECT FOR • Theater, musicals, and stage plays • Stand-up comedy shows • Movies without subtitles • Lectures, talks, and conferences • Any live event in a foreign language FOR EVERY LANGUAGE LEVEL Whether you're a complete beginner relying on every subtitle, a learner checking unfamiliar words, or a fluent speaker catching the occasional slang — Sotto adapts to how you watch. CINEMA-GRADE SUBTITLE DISPLAY • Full-screen landscape mode with dark background • Large, readable text designed for dark venues • Dual display: translation on top, original text below • Adaptive font sizing that always keeps text visible • Place your phone below your line of sight — catch subtitles at a glance without looking away from the stage SMART LANGUAGE DETECTION • Smart Mode: automatically detects the spoken language and translates to your native language • Manual Mode: choose both source and target languages • Supports 100+ language pairs BUILT FOR RELIABILITY • Stable WebSocket streaming — handles 2+ hour performances • Auto-reconnect if connection drops, with audio buffering so nothing is lost • Optimized for minimal battery drain SUBSCRIPTION • Free: 20 hours per day • Premium: unlimited usage Terms of Use (EULA): https://yydxs.github.io/sotto-privacy-policy/terms-of-service/ Privacy Policy: https://yydxs.github.io/sotto-privacy-policy/