Your Apple Watch already tracks HRV, heart rate, and sleep stages — Varzo turns that data into actionable insights. 🔋 Recovery Score — know if you're ready to train 💪 Strain Tracking — balance your effort 😴 Sleep Analysis — stages, debt & consistency ⚡ Body Battery — real-time energy levels 🤖 AI Coach — powered by Apple Intelligence 100% on-device. No accounts. No cloud. Your health data never leaves your phone. $9.99/year after a 14-day free trial. Built by a solo indie dev.