Sat. Mar 14th, 2026
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Digital nutrition platform MyFitnessPal has acquired fast growing calorie counting startup Cal AI following nearly a year of negotiations, marking one of the most notable health tech deals involving teenage founders.

Cal AI, created by high school students Zach Yadegari and Henry Langmack, surged to more than 15 million downloads and over 30 million dollars in annual revenue in less than two years. The seven member Cal AI team, including co founder and chief executive Yadegari, will remain with the company, according to MyFitnessPal CEO Mike Fisher, while the app continues to operate independently.

Cal AI built its reputation on simplicity, allowing users to estimate calories by snapping photos of their meals. Since the acquisition closed in December, the app has already been integrated with MyFitnessPal’s extensive nutrition database, which includes more than 20 million food items, 68,500 brands, and meals from over 380 restaurant chains.

While financial terms were not disclosed, Fisher indicated that the founders were satisfied with the offer and had not been under pressure to sell, suggesting a favourable outcome for the now 19 year old entrepreneurs.

Fisher said MyFitnessPal had been tracking Cal AI’s rapid climb through app store rankings using industry analytics tools and began discussions early last year. He noted that while the founders attracted media attention because of their age, conversations with them revealed strong focus and discipline.

According to Fisher, details such as the startup’s regular Sunday night stand up meetings, held to accommodate the founders’ school schedules, demonstrated that the venture was being run with seriousness rather than as a side project.

Despite the acquisition, MyFitnessPal does not plan to fold Cal AI into its main product or replace its own photo meal scan feature. Fisher said the two apps serve distinct audiences, with Cal AI prioritising speed and minimal user input, while MyFitnessPal offers deeper precision and granular food tracking.

Yadegari, who is now attending college after initially considering skipping higher education to focus solely on entrepreneurship, continues to run Cal AI as a unit within MyFitnessPal, underscoring the company’s commitment to preserving the startup’s original vision while leveraging broader resources for growth.

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