Author

Freya Castellano

Growth

Freya is a hybrid of data and storytelling and runs experiments that turn small tweaks into big wins. She is interested in the “why” behind user behaviour, not just the numbers.

Posts by Freya Castellano

Pricing strategyWe ran 40 pricing experiments. Here's what actually moved revenue.Tier boundaries mattered less than we thought. Overage framing mattered more than we thought.May 21, 2026 · 9 min read