Inside Flo’s Growth Playbook: CEO Dmitry Gurski Reveals How Retention—Not Acquisition—Built a Billion-Dollar App

“Every year, we say it’s the hardest year to grow an app. But after 16 years, I’m convinced: it really does get harder every time.” With those words, Flo Health CEO Dmitry Gurski opened a masterclass on sustainable app growth that defies conventional wisdom.

The key insight? Retention, not acquisition, built this billion-dollar platform. Over half of Flo’s revenue comes from users who installed the app more than a year ago. This long-tail revenue reflects intentional lifecycle design—features that adapt to shifting needs across key life stages like trying to conceive, pregnancy, and now perimenopause.

The femtech unicorn’s journey from startup to category leader involved relentless optimization. One onboarding experiment alone increased trial conversions eightfold. But Gurski emphasized that most early growth came without paid marketing—organic discovery worked because users kept returning.

Product expansion reinforces retention. The launch of new women’s health features ensures users don’t age out of the platform. A woman who started tracking periods in her twenties can continue through fertility, pregnancy, and menopause—decades of engagement from a single acquisition.

The strategy extends to infrastructure. Having built regulatory-ready systems without slowing innovation, the company can pursue clinical features that deepen user value. With 6 million paying subscribers and 77 million monthly active users, the retention-first approach has proven its worth.