
My girlfriend opens her cycle tracking app every morning. She knows why she feels tired today, why she'll feel great in 4 days, when her energy peaks.
Meanwhile, I had no clue what was happening in my own body.
But men have hormonal cycles too. Testosterone, cortisol, sleep debt — it shapes our energy, mood and focus every single day.
So I started building FLUX. The tracker men never had.
Live on the App Store today 👇
Quick one for you: what's the #1 thing you'd want it to track or tell you? Mood, energy, sleep impact, sex drive, something else? Genuinely curious.