Fast, flexible logging
Snap a photo, type a quick description, or mix both. KarbCoach turns messy, real-world meals into a structured log so you can get back to your day in seconds.
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Fast AI meal logging for a smoother, low-spike lifestyle
KarbCoach helps you log meals in seconds and let AI handle the details.
Snap a meal photo or describe what you ate. KarbCoach estimates a non-clinical Karb Score (relative carb impact), gives you a rough macro breakdown, shows how your day is shaping up, and suggests easy swaps—so you can focus on living your life, not on spreadsheets.
KarbCoach provides approximate, educational estimates only. It does not measure blood glucose, diagnose conditions, or replace professional medical advice.
Why people use KarbCoach
Quick capture, approximate nutrition, and low-spike guidance—without getting lost in the details.
Rough macros & the Karb Score
See an approximate breakdown of carbs, protein, fat, and calories along with a non-clinical Karb Score that reflects the meal’s relative carb impact—not actual grams or glucose values.
Day overview at a glance
Track how your meals stack up across the day. Spot which choices tend to align better with your goals, and which ones push your overall carb impact higher.
Let AI do the adjusting for you
Edit foods, portions, and assumptions just by asking—no manual database digging required.
Natural-language edits
Logged too much rice or forgot the avocado? Just say things like “make that ½ cup of rice” or “add a side salad,” and KarbCoach updates the log and estimates.
Smart food swaps
Ask for alternatives—“swap the fries for something lower impact” or “suggest a higher-protein option”—and see how the non-clinical Karb Score and rough macros shift.
Low-spike patterns, not strict rules
KarbCoach surfaces patterns that look more “low-spike” for you, while letting you keep your own culture, budget, and preferences. It’s guidance, not a rigid diet.
All estimates are generated by AI models and food databases and are inherently imprecise. They’re meant to help you experiment with habits—not to provide medical, diagnostic, or treatment decisions.
How KarbCoach fits into a busy day
Capture breakfast in a snap
Take a quick picture of your plate, glance at the non-clinical Karb Score and rough macros, make small tweaks if you want, and move on with your morning.
Midday check-in
See your running day view—where your choices have been lighter or heavier—and use it to decide whether dinner should be more carb-dense or more moderate.
End-of-day reflection
Review which meals scored closer to your target range, adjust old habits, and let the future you benefit from today’s experiments.
The Low Spike Blog
Ideas & research behind the app
Explore how cross-cultural observations, CGM-style datasets, and human-centered design influenced the Low Spike Lifestyle and the way KarbCoach scores meals.
What Japan Can Teach Us About Low-Spike Eating
From station bentos to convenience-store snacks, see how subtle design choices can nudge everyday meals toward steadier energy without feeling like a “diet.”
Read article➜
The Science Behind Low-Spike Patterns
Why avoiding frequent sharp spikes may support steadier energy and appetite—and how simple meal structure tweaks can help, without obsessing over every number.
Read article➜
AI & Nutrition: Smarter, Not Stricter
How computer vision and language models can turn meal photos into approximate guidance— while keeping humans in charge of the final decisions.
Read article➜