MacroLens

Snap a photo of any meal.
AI estimates the calories & macros in seconds.

What's your goal?

This sets your daily calorie target.

About you

Used to calculate your energy needs — nothing leaves this device.

How active are you?

Outside of deliberate exercise, on a typical week.

Your daily plan

Calculated with the Mifflin-St Jeor equation — the same method dietitians use. You can adjust it any time in Settings.

DAILY TARGET
—
calories
MacroLens
🔥 0

Today

0
kcal left

Today's meals

Progress

Last 7 days

calories eaten vs goal

History

Settings

AI engine

MacroLens analyzes photos with Claude vision. Paste an Anthropic API key — it's stored only on this device and sent only to Anthropic. Get a key ↗

Demo mode
Try the app with simulated AI results — no key needed

Daily targets

Export data
Download your log as JSON
Erase all data
Removes profile, log and API key

MacroLens · AI estimates are approximations, not medical advice.