fitia
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Piero Linares Quit the Spreadsheet to Build a Habit
A childhood friendship, four years in corporate finance and one late-night phone call from Y Combinator shaped Fitia. Piero Linares is still turning those ingredients into a global consumer company, one carefully measured product decision at a time.
Fitia
Fitia is an AI-powered nutrition tracking and meal planning app built by two childhood friends from Peru. It turns the daily grind of counting calories into a personalized plan: users log food by photo, voice, text, or barcode, and Fitia adapts meal plans, macros, and grocery lists to their goals and food preferences. Backed by Y Combinator (S21), it has grown to more than 10 million users across 150+ countries and outranks incumbents like MyFitnessPal in downloads across Spain and much of Latin America.