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Our Story

Built by people who got tired of lying to their fitness apps.

CalAI started in a college dorm with one honest question: why is tracking what you eat still so painful in 2024? We set out to fix that — with AI, obsessive design, and zero tolerance for friction.

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Founded
Two founders at a whiteboard covered in sketches of nutrition charts

Two friends. One frustrating salad.

In 2023, Marcus and Priya were roommates at UC Berkeley, both obsessing over their health but drowning in manual calorie logs, barcode scanners that never worked, and databases that hadn't been updated since the Obama administration. One evening, Marcus photographed his lunch out of curiosity and fed it to a vision model he'd been tinkering with. It identified every ingredient, estimated macros within 5%, and delivered the data in under two seconds. Priya leaned over, watched it happen, and said: "That's the app." Six months of late nights and three rejected App Store submissions later, CalAI launched. Within 72 hours it was #1 in Health & Fitness.

Our mission: make honest nutrition effortless for every human on the planet.

We believe the gap between knowing what you eat and actually tracking it shouldn't cost you 20 minutes a day. It shouldn't require a culinary degree, a database subscription, or a tolerance for tedium. It should take three seconds and a phone camera. CalAI's mission is not to gamify your guilt or monetise your anxiety. We're here to give you clear, accurate, actionable information — then get out of your way so you can live your life.

What we stand for

Radical Honesty

We show you real calorie ranges, not optimistic guesses. Our AI flags uncertainty instead of hiding it. You deserve accurate data, not flattery.

Privacy First

Your food photos never leave your device unless you choose to share them. No ad targeting. No selling your health data. Ever.

Obsessive Simplicity

Every feature we've ever cut outnumbers every feature we've shipped. If it adds friction, it doesn't ship.

Science, Not Trends

Our nutritional database is validated against peer-reviewed USDA data and updated continuously by our in-house dietitian team — not crowd-sourced guesses.

Built for Real Life

Restaurant meals. Grandma's cooking. Street tacos at midnight. CalAI handles the messy, unpackaged, unweighed reality of how people actually eat.

The people behind the pixels

A small team of engineers, designers, dietitians, and relentless optimists. Remote-first. Deeply obsessed.

Marcus Chen

Marcus Chen

Co-Founder & CEO

Former ML engineer at Google Brain. Passionate about making AI feel human.

Priya Nair

Priya Nair

Co-Founder & CPO

Product lead obsessed with reducing friction. Previously built health tools at Apple.

Jordan Okafor

Jordan Okafor

Head of AI Research

PhD in Computer Vision from MIT. Teaches machines to see what's on your plate.

Sofia Martínez

Sofia Martínez

Lead Dietitian

Registered dietitian and nutritional science researcher. Keeps our AI honest about food.

Liam Park

Liam Park

iOS Lead Engineer

Swift wizard. If it feels buttery smooth, he probably wrote it at 2am.

Amara Diallo

Amara Diallo

Head of Design

Ex-Figma designer. Believes every pixel should earn its place.

Noah Bernstein

Noah Bernstein

Growth & Marketing

Turned a viral TikTok into 200K downloads in a weekend. That was week two.

Yuki Tanaka

Yuki Tanaka

Backend & Data Infra

Keeps 850 million meal logs running without breaking a sweat. Mostly.

What people say about us

CalAI is the first app that made me feel like tracking calories was actually helping me, not punishing me. The AI is shockingly accurate — it identified my mum's curry and got the macros almost exactly right.

Rhiannon M.

Verified App Store Review ★★★★★

I've tried every calorie app out there. CalAI is the only one I've stuck with for more than two weeks. Snap, done. It's like it just gets you.

Terrence W.

Fitness Coach, Chicago

As a dietitian I recommend this to clients who struggle with manual tracking. The AI accuracy is impressive and the UX doesn't overwhelm people.

Dr. Keisha L.

Registered Dietitian

I lost 18 pounds in four months without ever feeling like I was on a diet. Just snapping photos of my food made me more mindful without the obsessive counting.

James T.

CalAI user since launch

Team gathered around a laptop in a sunlit open office space

A culture built on shipping and honesty.

We're a fully remote team spread across eight time zones. We ship every week, sometimes every day. We write things down, argue in public channels, and celebrate when a user tells us we changed their relationship with food. We don't do NDA-wrapped roadmaps or vague mission statements that could belong to any company. We publish our changelog. We talk to users daily. We genuinely believe the best health app in the world should feel like it was made by people who care about health — not just engagement metrics. We're hiring. If any of this sounds like the place you want to spend your best working hours, we'd love to hear from you.

Forbes
WIRED
Product Hunt
App Store Editors' Choice
Fast Company
Forbes
WIRED
Product Hunt
App Store Editors' Choice
Fast Company

How we got here

Ori

The idea

Marcus photographs his lunch, runs it through a vision model, and shows Priya. She says: "That's the app."

Lau

CalAI v1.0 launches on the App Store

#1 in Health & Fitness within 72 hours. 50,000 downloads in the first week. Zero marketing budget.

Fun

$4.2M seed round

Led by Sequoia, with participation from a16z and a small group of angel investors who happened to love food.

Rec

Apple Editors' Choice Award

Apple spotlights CalAI as one of the best apps of the year. Downloads hit 500,000.

Pro

Restaurant Mode & AI macro estimation

New models identify dishes from 50,000 restaurant menus worldwide. Accuracy improves to within 8% of lab-tested values.

Gro

2 million active users

We cross the threshold we'd dreamed about on a whiteboard in a Berkeley dorm. The mission just got bigger.

Questions about CalAI

Yes. CalAI's core snap-and-track experience is completely free. We offer a Pro tier for advanced features like macro coaching, custom goals, and unlimited history. See our pricing page for details.
In independent testing against lab-measured values, CalAI's AI estimates calories within ±8% for restaurant dishes and ±5% for home-cooked meals. That's meaningfully more accurate than manual input for most users, who often underestimate by 20–30%.
Never. We do not sell your data to advertisers, insurance companies, or anyone else. Our business model is subscriptions — not data. Your food photos are processed on-device and are never stored on our servers unless you explicitly enable cloud sync for backup.
CalAI is available in 42 countries on the App Store. Our food database covers local dishes and cuisines in all supported regions, and we're continuously expanding coverage.
Yes! We're a growing remote team and we're always interested in hearing from thoughtful people who care about health and great software. Send a note to careers@calai.app — no formal job post required.

Ready to stop guessing and start knowing?

Join 2 million people who've made calorie tracking effortless. Download CalAI free — no credit card, no commitment, no excuses.