NanoRhino is an AI nutrition coach that lives in your text messages - no app to install. It starts with a free AI-powered TDEE calculator: instead of picking one of five activity levels (which hides a 300-500 kcal/day error), an AI interviews your actual day and computes a calibrated calorie range with BMR, NEAT, TEF, and exercise broken out.
From there, the coach texts with you over SMS or WhatsApp: snap meal photos for macro estimates, get a personalized plan, and build habits with gentle check-ins. Pricing is results-based: $10 per pound lost, capped at $500. No subscription. Adults only (18+), US-first.
- AI conversational TDEE calculator (no activity-level dropdown)
- Meal photo to calorie + macro estimates over text
- Coaching over SMS and WhatsApp - no app to install
- Personalized plans with protein targets and safety floors
- GLP-1 mode: muscle-preservation protein targets
- Results-based pricing: $10 per pound lost, capped at $500
- Find your real maintenance calories before starting a cut
- Track meals by texting photos instead of logging in an app
- Get coached through a weight-loss plan with gentle accountability
- GLP-1 users: protect muscle with protein-first targets

Hi Fazier! I built NanoRhino because every calorie app I tried assumed I'd open it three times a day - and I never did. So the whole coach lives in your text messages: an AI interviews your day to compute your real TDEE (no activity-level dropdown), then you just text meal photos and it coaches you back. Pricing is the part I'm most proud of: no subscription, you pay $10 per pound you actually lose, capped at $500. Happy to answer anything about the AI interview approach or the results-based pricing model.

Hi Fazier! I built NanoRhino because every calorie app I tried assumed I'd open it three times a day - and I never did. So the whole coach lives in your text messages: an AI interviews your day to compute your real TDEE (no activity-level dropdown), then you just text meal photos and it coaches you back. Pricing is the part I'm most proud of: no subscription, you pay $10 per pound you actually lose, capped at $500. Happy to answer anything about the AI interview approach or the results-based pricing model.
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