Stop slouching with Shisei, the AI posture guardian for Mac. 🖥️ Using on-device AI, Shisei monitors your posture in real-time through your camera. The moment you slouch, your screen blurs and turns red training your brain to sit upright without annoying notifications. ✅ 100% Privacy: All AI processing stays on your Mac. ✅ One-time Purchase: No subscriptions. ✅ Full Apple Ahortcuts. ✅ Includes screen-sharing privacy options.