Pricing

Simple, transparent pricing

Start free, upgrade when you need advanced features. No hidden fees.

Monthly billing. Cancel anytime.

nQuery Pro: $4,995/year

Zetyra: $99/mo

Students & Academics: Get Evidence Pro for $29/mo with your .edu email

The Essentials

Comprehensive sample size calculators — no signup required

$0forever
Get Started
  • Sample Size (continuous, binary, survival, clustered, longitudinal)
  • Non-inferiority & equivalence hypotheses
  • Allocation ratio, dropout adjustment, PDF export
  • Chi-Square (test, power, Fisher's exact, R×C, McNemar's)
  • Frequentist Suite (Survival, GSD, CUPED)
  • Adaptive (SSR, RAR, Minimization)
  • Master Protocol (Basket, Umbrella, Platform)
  • Bayesian Toolkit (Add-on)
  • Save Projects & Calculation History

Evidence Pro

MOST POPULAR

Full suite for professional statisticians

$99/mo

$29/mo for .edu

Start Free Trial
  • All Free calculators
  • Frequentist Suite (Survival, GSD, CUPED)
  • SSR (Blinded, Unblinded, Single‑Arm Phase II ORR)
  • Adaptive (RAR, Minimization)New
  • Master Protocol (Basket, Umbrella, Platform)New
  • Bayesian Predictive Power
  • Bayesian Toolkit (Prior Elicitation, Borrowing, Single‑Arm, Two‑Arm, Sequential)Add-on
  • Save 100 Projects & Calculation History

Evidence Collective

5 seats included

For biostatistics departments

$349/mo
Contact Sales
  • Everything in Pro
  • 5 Team Seats
  • Shared Workspaces
  • Shareable Project URLs
  • Team Admin Dashboard
  • Unlimited Projects
  • Priority Email Support
  • Version History

Bayesian Toolkit

Add-on

6 advanced Bayesian calculators for FDA-grade clinical trial design. Requires Evidence Pro or Collective.

Prior Elicitation
Bayesian Borrowing
Single-Arm Sample Size
Two-Arm Bayesian Design
Sequential Monitoring
Predictive Power
+$49/mo starting

$49/mo Academic · $149/mo Pro · $449/mo Collective

Learn More

Included with Enterprise

Enterprise

FDA Ready

For pharmaceutical companies & CROs

Everything in Evidence Collective
SSO / SAML (Okta, Azure AD)
On-Premise Deployment (Docker)
Custom R Package Integration
21 CFR Part 11 Compliance
Dedicated Success Manager
SLA & Invoice Billing
Custom Integrations
Custom

Tailored to your needs

Contact Sales

Questions about pricing? support@zetyra.com