How do their growth rates compare?

0xmd has a month-over-month growth rate of -2.2%; Heidi has +7.9%.

How does pricing compare?

0xmd: Freemium. Freemium. Core question-answering and document understanding are free to use, with no credit card required to start. A free account is needed to save activity history in the Activity Journal. Heidi: Freemium, Free Trial, Paid, Contact for Pricing. Freemium. Clinicians can get started on a free tier, and paid subscription plans plus enterprise arrangements for clinics and health systems are available with demo booking. Because healthcare pricing is often seat- or organisation-based, confirm current rates on the official pricing page.

What are alternatives to 0xmd and Heidi?

Other tools in related categories include Ubie, Doctronic AI Doctors + Human Doctors, Freed AI Medical Scribe, Carepatron, Dr.Oracle.

0xmd vs Heidi — Traffic (128.26K vs 2.18M), Pricing & Verdict

Open AI Tools

0xmd vs Heidi — Traffic (128.26K vs 2.18M), Pricing & Verdict | Open AI Tools

Side-by-Side Traffic & Specification Matrix

Dimension / Metric	0xmd	Heidi
Official Domain	0xmd.com	heidihealth.com
Pricing Model	Freemium	Freemium, Free Trial, Paid, Contact for Pricing
Monthly Visits	128.26K (128,262)	2.18M (2,184,693)
MoM Traffic Delta	-2.86K (-2.2%)	+160.05K (+7.9%)
Primary Market & Share	🇭🇰 Hong Kong SAR China (67.7%)	🇨🇦 Canada (38.7%)
Direct Visits / mo	60.84K	1.5M
User Rating	4.1	4.7
Supported Platforms	Website	Website

0xmd

Generative AI for medical and everyday health questions

Medical mixture-of-experts LLMs

Language models trained on healthcare and medical literature, designed to understand, generate and reason over clinical content rather than general trivia.

Image and document understanding

Upload lab reports, imaging results, photos or documents and have the system explain what the contents typically mean in everyday language.

Symptom and report explainers

Describe how you feel or paste in results to get organized, readable context on possible interpretations and topics worth raising with a clinician.

50+ language support

Ask questions and read explanations in more than fifty languages, which helps users who are reading medical material in a second language.

Strengths & Pros

+Specialized medical training data instead of a generic chatbot wrapper
+Handles uploaded reports, images and documents, not just typed questions
+Free tier is genuinely usable and clearly documented
+Clear disclaimers about not being a medical device or a substitute for a clinician