Isabel Healthcare

Isabel Healthcare is a web-based AI symptom assessment tool for patients who want to research possible causes of symptoms and understand care urgency.

Key capabilities include:

• Natural-language symptom entry, allowing users to type multiple symptoms in their own words without long, branching questionnaires
• Differential diagnosis results across 10,000+ conditions, including both common and rare diseases, with support for demographic context such as age, gender, and travel history
• Triage advice to help decide where and how quickly to seek care
• Fast results, typically returned in under 90 seconds

Pricing: Paid, with individual subscriptions starting at $149/year (discounts available for emerging economies); institutional pricing is available on request.

Notable for its long clinical history and reach, the tool has been developed over 20+ years, used in leading hospitals since 2001, and is available in 14 languages across 90+ countries.