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.
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Maker
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Hey everyone — I'm the solo dev behind Varzo. Happy to answer any questions!
I was a WHOOP user but couldn't justify $300/year for metrics my Apple Watch already collects. I also wanted AI insights without uploading my health data to the cloud.
So I built Varzo. Recovery, strain, sleep, and body battery — all calculated on-device using your own 14-day baselines, not population averages.
Apple Intelligence powers the AI coach, so nothing ever leaves your phone.
Would love your feedback 🙏
This hits the key beats: why you built it, what makes it different, and invites conversation.