Start with the evidence-based calculators you can use today. Upgrade when you need private history, deeper decision support, and the next layer of bedside tools.
No card required
Free
$0
The core calculator set for quick, reliable decisions without a subscription.
Wells, PERC, PECARN, and CURB-65 calculators
Public SEO pages for each free calculator
A focused bedside starting point with no subscription required
More signal when the case is moving fast: deeper scores, private continuity, and assistant-led reasoning in one place.
$4.99/month
billed monthly
Everything in Free, plus NEXUS, Canadian C-Spine, and Centor
Persistent /history for saved calculations across shifts
AI Shift Assistant for differential and initial workup support
Auto-drafted clinical notes to speed up documentation
Medication and pediatric dosing references
All future account-gated calculators as they ship
Checkout is hosted by Stripe. If payments are not configured or onboarding is incomplete, the workspace owner must finish setup on the Polsia Payments page.