AI startups: App
Mobile apps, desktop apps and browser extensions. 3 cases.
- Cal AI Two teenagers built Cal AI, a calorie app that estimates nutrition from a photo. Cal AI revenue topped $40M in trailing-12-month sales at the March 2026 MyFitnessPal deal. Health & Fitness · Mobile-Health · 2024 Monthly revenue: Not disclosed
- Merlin (Foyer) Merlin brings ChatGPT-style answers, summaries and writing help into every web page as a Chrome extension with over a million users. Merlin AI revenue is not disclosed. Productivity · Browser extension · Year n/d Monthly revenue: Not disclosed
- Umax Blake Anderson's Umax scores selfies and suggests improvements. For Umax app revenue, Fortune reported about $500K a month (founder claim, unverified) in 2024. Beauty & Lifestyle · Mobile-Lifestyle · 2023 ~$500K/month subscription revenue (unverified founder claim)