Simple, transparent pricing

Choose the plan that fits your needs. Upgrade or downgrade anytime.

Learning

For students and learning

$0/forever
Get Started Free
  • Rectangular sections only
  • ACI 318-19 design code
  • 2D P-M interaction diagrams
  • PDF report export
  • 5 projects maximum
  • Circular & composite sections
  • ETABS integration
Most Popular

Standard

For professional engineers

$20/month
Start Free Trial
  • All section types
  • All 18+ design codes
  • 3D P-M-M interaction surfaces
  • ETABS import/export
  • Word & Excel reports
  • Unlimited projects
  • Moment-curvature analysis

Advanced

Complete analysis suite

$36/month
Start Free Trial
  • Everything in Standard
  • Moment-curvature analysis
  • Max curvature plots
  • Confinement zone design
  • Parametric analysis
  • Auto design optimization
  • API access

Need a custom plan for your organization?

Contact us for volume licensing, enterprise features, and dedicated support.

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Frequently Asked Questions

Yes! All paid plans come with a 14-day free trial. No credit card required to start.

Absolutely. You can upgrade or downgrade your plan at any time from your account settings.

We accept all major credit cards (Visa, MasterCard, American Express) and PayPal. Enterprise customers can arrange for invoice-based billing.

Yes! The Learning plan is completely free with no time limits. It's designed for students and those learning concrete column design.

Your projects remain accessible for 30 days after cancellation. You can export all your data during this period. After 30 days, projects are archived but can be restored if you reactivate your subscription.