🧠 AI-Powered · 100% Free · No Tracking

Snap. Track. Transform.

The free AI calorie tracker that does the work for you. Point your camera once — hyDiet logs every macro instantly.

Try Free 🏋️ For Trainers
40%
People undercount their calories by an average of 40% with manual tracking
73%
of users quit manual-entry calorie apps in the first week
20 min
The average time spent manually logging a single day of food

hyDiet changes everything with AI photo logging.

AI photo logging

Point. Snap. Done.

Our AI instantly identifies every food in your photo and logs the macros. No searching databases. No typing. No guessing. Just point your camera and eat.

< 3s
Analysis time
GPT-4o
Vision model
97%
Accuracy
9:41●●●
🔍 AI analyzing...
🍽️
Grilled Chicken • 165 kcal
Brown Rice • 216 kcal
Broccoli • 55 kcal
436 kcal
436 kcal • 38g protein • 52g carbs • 9g fat

AI meal planner

Your Week, Planned by AI in 10 Seconds

Smart Rotation Algorithm ensures variety across cuisine, protein, and prep time. Syncs directly to hyCalendar so your meals live in your schedule.

100-point diversity scoring
Pantry-aware
Grocery list auto-generated
Calendar sync
Mon
Tue
Wed
Thu
Fri
Sat
Sun
BREAKFAST
Oat Pancakes
BREAKFAST
Greek Yogurt Bowl
BREAKFAST
Veggie Omelette
BREAKFAST
Avocado Toast
BREAKFAST
Protein Smoothie
BREAKFAST
Egg White Wrap
BREAKFAST
Chia Pudding
LUNCH
Grilled Chicken Bowl
LUNCH
Quinoa Salad
LUNCH
Turkey Wrap
LUNCH
Tuna Poke Bowl
LUNCH
Lentil Soup
LUNCH
Salmon Rice Bowl
LUNCH
Falafel Wrap
DINNER
Baked Salmon
DINNER
Stir-Fry Beef
DINNER
Chickpea Curry
DINNER
Grilled Tilapia
DINNER
Turkey Meatballs
DINNER
Pesto Shrimp
DINNER
Black Bean Tacos
SNACK
Apple + PB
SNACK
Edamame
SNACK
Mixed Nuts
SNACK
Protein Bar
SNACK
Cottage Cheese
SNACK
Blueberries
SNACK
Rice Cakes

How it works

Three steps to a healthier you

No complicated setup. No manual database searching. Just point, snap, and watch your nutrition transform.

1
📷

Snap a Photo

Take a photo of your meal from any angle. hyDiet handles the rest — no special lighting or positioning needed.

2
🧠

AI Identifies & Logs

GPT-4o Vision identifies every food item, portion size, and calculates macros against 600K+ USDA foods in under 3 seconds.

3
📈

Watch Your Progress

Track calories, macros, and weight trends over days, weeks, and months. Hypatia coaches you with weekly insights.

Platform features

Everything your nutrition needs —
all completely free

AI Photo Logging

GPT-4o Vision identifies every food in your photo and logs accurate macros. No typing. No database searches. Under 3 seconds.

GPT-4o Vision

Recipe Generator

Describe a dish in plain English — hyDiet generates a full recipe with ingredients, steps, and per-serving macro breakdown using USDA data.

USDA-validated

Pantry AI

Snap a receipt to auto-update your pantry. Get expiry warnings, see which recipes you can make right now, and minimize food waste.

Receipt scanning

Smart Grocery Lists

Auto-generated from your weekly meal plan. Cross-references your pantry to only list what you actually need. Organized by store section.

Pantry-aware

Smart Goals

Mifflin-St Jeor BMR calculator, custom macro targets, weight tracking with trend lines, and a GitHub-style weekly nutrition heatmap.

BMR + macros

Trainer Hub

Invite clients by email, track their compliance in real-time, assign weekly meal plans, and auto-generate PDF progress reports.

Client management

Trainer hub

Built for Coaches.
Loved by Clients.

A full client management dashboard built into hyDiet. No extra subscription. No separate app. Just invite your clients and start tracking their progress.

  • Invite clients by email — they join with their own hyDiet account, you see their full dashboard
  • Real-time compliance tracking — see who's logging, who's on track, and who needs a nudge
  • Auto-generate PDF reports — weekly or monthly progress reports with macros, weight trends, and your notes
  • Assign weekly meal plans — create templates and push them to any client's planner instantly
  • Smart alerts — get notified when a client misses 2+ days or goes 30% over/under their macros
Start Training Clients Free
👥 My Clients (5) 3 on track
Sarah K.
1,820/1,800 kcal
🔥 9d
Marcus T.
1,240/2,200 kcal
⌛ 2d ago
Alex R.
2,010/2,000 kcal
🔥 14d
Jamie L.
0/1,650 kcal
⚠️ 3d miss
✍️ Sarah K. — Today
Protein
142g
Carbs
198g
Fat
58g

Powered by the world’s best nutrition databases

Always free. Always accurate. Always up to date.

🏫
USDA FoodData Central
600,000+ scientifically measured foods with full macro profiles
🌍
OpenFoodFacts
3M+ barcoded products from 160 countries — no API key, truly open
🧠
GPT-4o Vision
State-of-the-art multimodal AI for instant food photo recognition
0
Foods in Database
0
Barcodes Covered
$0
Cost to You
10×
Faster than Manual Logging

What people are saying

Real results from real people

I lost 15 lbs without ever manually typing a single food. The photo snap just works.
Marcus T., 34 — Miami, FL
The photo snap is shockingly accurate. It recognized my homemade burrito bowl and nailed the macros.
Sarah K., 28 — Austin, TX
My clients love the weekly reports. I used to spend 2 hours making these — now it takes one click.
Coach Dan — Personal Trainer
Finally an app that works with how I actually eat. No weird database searches for ‘homemade pasta.’
Alex R., 41 — Seattle, WA
Set up my whole week’s meals in 10 seconds. The AI knew my preferences from day one.
Jamie L., 25 — Chicago, IL
The pantry scan is magic — it knew my whole grocery haul just from a photo of my receipt.
Morgan S., 31 — Denver, CO

Start today

Your nutrition, finally automated.

The smartest calorie tracker you’ve never had to think about.

Get Started Free

Free with Hypatia OS  ·  No credit card  ·  No subscription ever