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NanoRhino vs Marigold

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

NanoRhino compared with Marigold
Detail NanoRhinoMarigold logo Marigold
What it doesAI nutrition coach delivered by text message with results-based pricing A free, ad-free period and cycle tracker that keeps all your data on your phone
StageNot given Not given
FoundedNot given Not given
Based inUS Not given
Pricing modelPaid Free
PricingFirst 2 weeks free. Then $10 per pound lost, capped at $500 total. No subscription, no upfront charge. Billed at five-pound milestones via Stripe (Apple Pay or card). Not given
Key features
  • Photo-based calorie counting with 90%+ accuracy
  • Weekly calorie target recalibration from actual measurements
  • Free initial two-week measurement phase
  • Human nutritionist review when progress stalls
  • Persistent memory of food preferences and habits
  • No app required—SMS and WhatsApp only
  • Exercise plan creation fitted to your routine
  • GLP-1 medication support with protein focus
  • One-tap period logging with editable calendar
  • Home-screen widgets for iPhone and Android
  • Period, fertile window and PMS predictions up to 12 months ahead
  • Daily logging for flow, pain, mood, energy, sleep, discharge, medication and custom symptoms
  • Cycle insights by phase
  • Doctor report as PDF and CSV export
  • Reminders for period, fertile window and pill with discreet text option
  • App lock using phone's screen lock
  • Pregnancy mode with due date and week counter
  • Data encryption on device with one-step deletion
What makes it different
  • Pay only for actual weight lost—first 2 weeks free, then $10/lb capped at $500
  • Measured calorie burn from your own data, not population formulas
  • Human nutritionist intervention, not AI-only coaching
  • Text-based coaching with no app, login, or subscription required
  • Same pound never billed twice—re-losses and bounces are free
  • Completely free with no ads, everything stays free
  • Predictions shown as a range with confidence level and irregular cycle mode
  • Doctor report and CSV export created on your phone
  • Reminders scheduled entirely on device with discreet text option
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)16 −1 (down) since last check3 −7 (down) since last check
Trust Flow (Majestic)80
Citation Flow (Majestic)3010
Referring domains (Majestic)1854

4 details filled in for both companies.

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