Cal Otter

AI calorie tracker from a photo — it's easy

Snap a meal photo. Get calories, macros, and a plan built for your goals.

How it works

Nutrition tracking shouldn't be a chore.

No manual entry needed.

Instant insights from just a photo.

Lose, gain, or maintain effortlessly.

An everyday calorie counter and nutrition tracker that fits your life.

Just snap a photo for your food diary. Your macro tracker keeps protein, carbs and fat clear.

Daily targets to help you stay in a calorie deficit to lose weight, maintain, or eat enough to gain.

Your meal tracker sits alongside weight trends, reminders and progress photos.

Keep weight in sync automatically.

90% of users see change with Cal Otter…

"By letting Cal Otter scan my meals, I've reclaimed lots of time which I then use to work on my hobbies."

— Marcus Vance

"I used to obsess over macros for hours. Now I just snap a photo, log it, and not have to worry about it."

— Laura Camila

Common questions

Just snap a photo of your meal and Cal Otter estimates the calories and macros. For packaged food, snap the nutrition label or scan the barcode.

Cal Otter Pro unlocks unlimited food scanning: meal photos, nutrition labels, and barcodes. Subscriptions are billed through the Apple App Store.

Yes. You can connect Apple Health to keep your weight in sync. Cal Otter uses Apple Health for weight only; it does not track steps or workouts.

Cal Otter requires an iPhone with iOS 16.4 or later and an internet connection to analyze meals and look up barcodes. iPad is not supported.

Download free