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Isabel Pro vs iatroX (2025): Differential Generator vs Clinical Assistant

Last reviewed · Reviewed by Dr Kola Tytler, MBBS CertHE MBA MSt MRCGP

Current iatroX access

askiatroX and the PSA, PARA, MRCP Part 1, MRCEM SBA question banks are free. Other exam banks offer free samples, with full access included in all-access (£29/month or £99/year in the UK; US$29/month or US$99/year elsewhere).

Up to 10 new sample questions per day, shared across exams and subject to availability, with explanations and no account required. One complete guided Tutor session is included with a verified free account; continued Tutor use is included in all-access.

See all-access plans · Access checked . This comparison is published by iatroX.

At a Glance

Who is it for?

iatroX:Clinicians seeking management & reasoning.

Isabel Pro:Clinicians stuck on a diagnosis.

Why choose iatroX?

  • **Conversational**: You can discuss the case, not just input keywords.
  • **Management**: Goes beyond diagnosis to tell you *what to do* next.
  • **UK Focused**: Aligns with UK referral pathways.
  • **Free**.

Why choose Isabel Pro?

  • **Pure DDx Power**: Dedicated engine for generating vast lists of possibilities.
  • **Red Flag Spotting**: specifically highlights 'Don't Miss' diagnoses.
  • **Integration**: Often embedded directly into the EHR.

Feature Comparison

CapabilityiatroXIsabel Pro
Input-Symptom Keywords
Output-List of Diagnoses

In-Depth Analysis

Overview

Isabel Pro is a "Differential Diagnosis Generator." It is brilliant when you are stuck. You type "fever + rash + travel" and it lists 20 potential causes.

iatroX is a broader assistant. While its "Brainstorm" mode helps with diagnosis, iatroX is designed to stay with you after the diagnosis, guiding the management and prescribing based on guidelines.

Use-Cases

Total Mystery Patient

When to choose iatroX

  • Use 'Brainstorm' mode to discuss ideas.

When to choose Isabel Pro

  • **Recommended.** Input all symptoms to broaden the differential.

Known Diagnosis (e.g. Asthma)

When to choose iatroX

  • **Recommended.** Ask for the step-up management.

When to choose Isabel Pro

  • Not useful.

FAQs

Does iatroX generate differentials?
Yes, the 'Brainstorm' feature allows you to input a case and get a structured differential diagnosis.
Is Isabel free?
No, it is a paid subscription tool.

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