AumaïAumaï vs Carbon Diet Coach: Chat or Coach?
Carbon Diet Coach recalculates your macros every week. Aumaï is a conversational nutrition chat with memory. Here's how the two compare in 2026.
Open Carbon Diet Coach on your check-in day and the ritual rarely changes: weigh in, confirm whether you hit your numbers, and let the algorithm decide if your macros should move. That weekly loop earned Carbon a devoted following, with public endorsements from Dr. Layne Norton and Andrew Huberman. Aumaï approaches the same goal from another direction. You describe your lunch in a sentence and ask why it left you hungry an hour later.
Key Takeaway: Carbon Diet Coach is a weekly adaptive macro system. Aumaï is a conversational nutrition chat with memory. The right choice depends on whether you want structured check-ins or an ongoing conversation.
What Carbon Diet Coach does well
Carbon Diet Coach is an algorithm-driven macro coaching app that recalculates your calorie and macro targets every seven days. Nutrition scientist Dr. Layne Norton and registered dietitian Keith Kraker built the system. It sets starting targets from your goal and body data, then adjusts them based on your multi-week weight trend and what you actually logged.
The coaching logic is the real product. Carbon weighs protein around your lean body mass, keeps it steady while daily calories shift, and makes small changes instead of big cuts when progress stalls. Every check-in comes with a plain explanation of why targets moved or held, so you are rarely left guessing.
Stat: Carbon holds a 4.8 rating across roughly 8,100 App Store reviews and 4.7 across about 2,900 Google Play reviews as of 2026.
It is also flexible on diet style. You can run balanced, low carb, low fat, ketogenic, or plant-based, and the Calorie Planner lets you bank calories for a weekend dinner while the week stays on target. The food database is powered by FatSecret, with barcode scanning and a Smart Logger that matches a photo or description to database entries.
Carbon Diet Coach vs Aumaï, side by side
| Feature | Carbon Diet Coach | Aumaï |
|---|---|---|
| Core model | Weekly adaptive macro targets | Conversational nutrition chat |
| Logging | Food log, barcode, Smart Logger photo match | Text, photo, voice in natural language |
| Memory | Weekly check-in history | Persistent context across meals and months |
| Macros tracked | Calories, protein, carbs, fat | 6 macronutrients including fiber |
| Channels | iOS, Android | WhatsApp, web, iOS, Android |
| Languages | English | English and French |
| Price | $8.33 to $11.99 per month | €4.99 per month |
| Free trial | 7 days, website only | Free tier available |
| Tone | Structured weekly coaching | Supportive, explains the why |
Where Aumaï pulls ahead
Aumaï is a personal, context-aware chat for nutrition and wellbeing. You log meals by text, photo, or voice, review your history, and ask questions in plain language across WhatsApp, web, and the mobile apps. There is no weekly check-in you have to attend for the app to stay useful.
Conversation replaces the form. Instead of filling a diary and waiting seven days, you can write "grilled salmon, rice, and a glass of wine" and get a read on the plate in seconds, then ask how to hit your fiber for the day. Aumaï tracks 6 macronutrients including fiber, which many macro apps leave out. For why fiber earns its place, see our look at fiber versus metformin for blood sugar.
Memory is the bigger gap. Aumaï carries your context forward, so it remembers the foods you log often, the goals you set, and the patterns you have discussed. If you want the adaptive-targets philosophy that Carbon pioneered, our comparison with MacroFactor covers that lane in detail.
Key Takeaway: Carbon recalculates numbers on a weekly clock. Aumaï holds an ongoing conversation that remembers you between meals.
WhatsApp matters here too. Carbon lives inside its iOS and Android app, while Aumaï meets you in a chat thread you already check all day. Aumaï is also bilingual, which Carbon's English-only interface is not, and it runs at €4.99 per month against Carbon's $8.33 to $11.99.
Where Carbon may suit you better
Carbon is the stronger pick if you want a rigid, science-backed weekly system and you track consistently. Disciplined daily loggers with a clear physique goal, fat loss, muscle gain, or a structured reverse diet, get real value from its adaptive algorithm and its guardrails around protein and rate of loss.
You should also lean Carbon if you trust Dr. Layne Norton's methodology and want a method that pushes you to weigh in and check in on a schedule. That external structure helps some people stay accountable in a way an open conversation does not. If your protein questions run deep, our note on protein source and timing for muscle pairs well with either app.
The verdict
Choose Carbon Diet Coach if you want a disciplined weekly macro coach with a strong scientific pedigree and you will log food five or six days a week. Choose Aumaï if you would rather talk to a nutrition chat that logs by text, photo, or voice, remembers your context, tracks fiber alongside the other macros, and reaches you on WhatsApp in English or French. One runs on a weekly check-in. The other runs on a conversation.
Sources
- Carbon Diet Coach Pricing, Reform LLC, 2026
- Carbon - Macro Coach & Tracker, App Store, 2026
- Carbon - Macro Coach & Tracker, Google Play, 2026
- Carbon Diet Coach homepage, Reform LLC, 2026
FAQ
Is Carbon Diet Coach free? No. Carbon is a paid app with no free version. New accounts get a 7-day free trial, but only when you sign up on the website, not through the App Store or Google Play. Plans run $11.99 per month, $59.99 for six months, or $99.99 per year as of 2026.
Does Carbon Diet Coach track fiber? Carbon centers calories, protein, carbs, and fat, with protein built around your lean body mass. It does not emphasize fiber or micronutrients. Aumaï tracks 6 macronutrients including fiber, which is useful if you care about gut health and satiety alongside your calorie total.
What makes Aumaï different from Carbon? Aumaï is a conversational chat you talk to in natural language by text, photo, or voice across WhatsApp, web, and app. It keeps persistent memory of your meals and goals. Carbon is a weekly adaptive macro system inside a mobile app that recalculates targets at each check-in.
Which is better for building muscle? Both can support a muscle-gain phase. Carbon offers structured surplus targets with protein set from lean body mass and weekly adjustments. Aumaï lets you log flexibly and ask questions as you go. Your choice depends on whether you prefer a fixed weekly plan or an ongoing conversation.
-- Selena