Stop Backsliding

Start Winning

FOLLOW

What we do

Nutrition tracking, rebuilt from scratch.

Most apps count calories. SigmaCal understands your entire dietary lifestyle — and enforces it.

Photo Scan

Point your camera at any meal and get an instant AI breakdown — calories, macros, and ingredients identified in seconds.

Cheeseburger · 70% confidence VIOLATION
300 cal
30g
Carbs
20g
Fat
15g
Protein
Full Ingredient Logging

Go beyond macros. SigmaCal logs every ingredient, vitamin, and micronutrient — the stuff other apps completely skip.

Vitamin D · 12% Iron · 8% Sodium · 41% Omega-3 · 5% +14 more
SigmaChef

Tell SigmaChef what sounds good. It returns meals tailored to your ruleset — with full recipes, serving sizes, and ingredients.

Show me a ribeye-friendly dinner under 600 cal
Ribeye
Pan-seared ribeye · 540 kcal 48g protein · fits your carnivore rules
Exercise Tracking

Log workouts and watch your calorie budget adjust. Track reps, sets, weight, and volume over time with built-in progress charts.

Bench Press 4 × 8 @ 185 lb
Squat 3 × 10 @ 225 lb
Deadlift 3 × 5 @ 315 lb
You Make the Rules

Write your diet rules in plain English. SigmaCal's AI parses them into a thorough personal ruleset, then checks every food you log against it — catching banned ingredients, flagged nutrients, and excluded categories in real time.

VIOLATION
Quarter Pound Burger
Denied tag: “fast food”Categorically excluded by your rule.
Confidence 90%
ALL CLEAR
Grilled Salmon
Matches your ruleset.6 ingredients reviewed.
Confidence 94%
SigmaCal food readout with diet evaluation