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The AI operating system for restaurants
We deploy AI agents that act as a C-suite for cafés, bakeries, and restaurant franchises. Per Diem’s AI CTO automatically builds, deploys, and maintains branded mobile apps and web ordering, while our AI CMO and AI COO automate loyalty, marketing, and daily operations across first-party ordering and catering. Built on Square, 800+ brands including Crema Gourmet, Shane's Rib Shack, and Crave Cookies use Per Diem to own their customers, increase lifetime value, and grow profitably.
Per Diem provides branded mobile apps for restaurants and coffee shops that integrate with Square, enabling order-ahead, loyalty, and in-app payments. The service emphasizes quick setup and seamless Square POS syncing to drive repeat customer engagement.
branded mobile apps built for Square with ordering synced to Square POS, one-tap fast checkout, Apple Pay or store credit payments, built-in Square Loyalty rewards, and additional features like push notifications, loyalty programs, delivery, web ordering, and franchise support. the product emphasizes rapid deployment (built in 24 hours) and a turnkey branded app experience that integrates with Square for orders, payments, and loyalty.
Who it’s for: restaurants, coffee shops, bakeries, smoothie shops, franchises seeking branded mobile apps integrated with Square
Customers: The Cupcake Espresso Bar, Hidden Grounds, Tikka Shack, Crave Cookies, Kona Coffee Roasters, Newsbar, Choc O Pain
case studies and testimonials showcasing customer retention and session improvements; mentions of multiple live customers and a demo/Test app option
After building products at OpenTable and Resy, I co-founded Per Diem (YC W21) to bring Starbucks-level mobile apps to independent restaurants. We launch branded apps in hours and use AI to automate loyalty, marketing, and growth. Per Diem is now the top-rated loyalty app on Square, trusted by Oakberry, Chip City, and 500+ brands.
Hey I'm Doron, the co-founder & CTO of Per Diem — a subscription platform for brick & mortar businesses. I'm also a dad and a husband. I love to travel and meet new people. I love creating things, and see people using the stuff I built. Prior to Per Diem I worked at Saildrone, OpenTable, Apple, Beats Music, Siemens. Happy to help other YC's alumna
