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What Is CaloFlag?

CaloFlag is a mobile app that estimates the calories and macronutrients in your meals from a photo. Take a picture of what you're eating, and the app analyzes it with AI vision to return calories, protein, carbs, fat, fiber, and an estimated portion size — usually in a few seconds.

The app works in one step: you take a photo and receive a structured nutrition breakdown powered by a vision-capable AI model. If the estimate looks off, you can adjust it — either with a short text correction ("that was a small bowl, not a large one") or a follow-up photo.

Each meal log includes the identified food, calories, macronutrients (protein, carbs, fat, fiber), estimated portion weight, a confidence score, and the model's reasoning.

Navigating the App

CaloFlag has two main tabs at the bottom of the screen:

Home

Start a new meal scan, view your daily intake, and log weight entries.

Profile

Set your goals (weight, activity level, calorie/macro targets), manage your account, and review your subscription.

How to Log a Meal

Tap "Add Photo" on the Home screen.
Take a photo of your meal, or pick one from your photo library.
Wait a few seconds — the AI identifies the food and estimates portion size.
Review the result. If the portion or identification is off, tap "Adjust" and add a text correction or a follow-up photo.
The meal is saved to your daily log automatically.

Scan Limits

Free accounts include a limited number of meal scans per account. To unlock unlimited scans, upgrade to CaloFlag Pro from the Profile tab. If you've already subscribed, use "Restore Purchases" in your Profile to reactivate your plan.

Common Questions

Why is my scan result low confidence?

This usually means the photo quality was too low, the label was partially obscured, or the text was blurry. Try taking a clearer, well-lit photo of the full ingredients list and nutrition label.

Can I use CaloFlag without an account?

You need to create an account to scan products. You can sign up with Sign in with Apple, Google Sign-In, or your email.

How do I manage my subscription?

Go to the Profile tab and tap "Manage Subscription". This will take you to your Apple subscription settings where you can change or cancel your plan.

How do I delete my account?

You can deactivate your account from the Profile tab. Your data will be retained for 30 days in case you change your mind, after which it is permanently deleted. You can also email us to request immediate deletion.