MOJO KING
Your Apple Watch can now estimate your testosterone. Daily.
What it does
Most men check their testosterone once a year — at best. But T levels fluctuate 30–50% throughout the day and are one of the earliest signals of energy, mood, and metabolic health. MOJO KING estimates your testosterone daily using your Apple Watch's PPG sensor and HRV patterns. No blood draw. No clinic visit. 15 seconds on your wrist.
Does the same job
all alternatives →
Testic - Testosterone TrackerJun 2026 · testic.pro · ▲4Daily testosterone insights for energy & performance
T-Score: Boost TestosteroneApr 2026 · apps.apple.com · ▲1Score the daily habits that actually raise your testosterone
- IBI built a daily sunlight tracker2025 · lumehealth.io · ▲46
I kept trying to explain how important outdoor light is and how most people aren’t getting enough. Eventually I figured that showing is more effective than telling. So we built a free app that uses your Apple Watch or iPhone to automatically track your light exposure throughout the day. It tells you if you’re getting enough, shows you how consistent you are, and rewards habits that support hormone balance. It's in beta on TestFlight, let me know what you think!
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