CastSpells.io

Hey Product Hunt 👋 Everyone says they’re data-driven — but when it comes to product discovery, most decisions still come down to opinions, loud voices, or slide decks. This product helps teams actually practice data-driven product management: turning assumptions into hypotheses, running experiments, and measuring learning before committing to big bets. If you’re trying to make discovery more evidence-based (and less political), we’d love your feedback and questions. Let’s talk about what “data-driven” really means in product 👇