Methodology Critique Engine
Find the flaws
before reviewers do.
Paste a protocol. Get a senior epidemiologist-level critique in 60 seconds. Not generic advice — named biases, specific fixes.
3 free critiques · No credit card · Built by researchers from Mount Sinai, Hopkins & KAU
How it works
Three steps. Sixty seconds. No signup.
Paste your methods
Drop your study design, abstract, or methods section into the box above.
Get your score
Aqrab identifies biases, scores methodology rigor, and flags what reviewers will catch.
Fix before submission
Actionable recommendations — not just "this is bad" but "here's how to fix it."
What you get
Sample output from a real methodology critique
Built by researchers who review for
JAHA · Circulation · Heart · Cancer Medicine · Frontiers in Medicine
Live Demo
This is an actual
Aqrab critique.
Not a mockup. Specific biases detected, mechanisms explained, actionable fixes — the depth of a 2-hour senior epidemiologist consultation.
Aqrab Critique Engine
statin-covid-psm.protocol
Capabilities
Not another chatbot.
Methodology Critique
Immortal time bias, competing risks, unmeasured confounding — named, explained, with fixes. Not "consider confounding."
Study Design
Power calculations, DAGs, estimand alignment, sensitivity analysis plans. Reviewer-ready protocol in minutes.
Literature Engine
200M+ papers via Semantic Scholar & PubMed. Search, critique methodology, and design — one workspace.
Built by researchers from Mount Sinai, Johns Hopkins, and King Abdulaziz University.
20+ years of causal inference, packed into an engine.
Pricing
Start free. Buy credits or subscribe.
Pro
$99
per month
- ✓ Unlimited critiques
- ✓ RAG-powered analysis
- ✓ Exportable reports
- ✓ Priority support
Institutional
Custom
Contact for pricing
- ✓ Volume pricing
- ✓ SSO & audit logs
- ✓ Team collaboration
- ✓ Dedicated support
📊
Research Toolkit — Instant Download
9 causal inference visual guides, 30-point study design checklist, methodology decision tree & DAG builder templates.
From $49 $19 — Pay with crypto. No signup.