Pricing
Start free. Upgrade when the work gets serious.
No trials, no credit card to start — the Free plan is free forever. Pro unlocks unlimited worksheets, AI-assisted authoring, and clean stamp-ready PDFs.
Free
$0 forever
- 3 active worksheets
- All 5 code libraries (AISC, NDS, ACI, ASCE 7, IBC)
- Full unit engine + dimensional checks
- Pre-Flight Check + chain-of-custody audit trail
- Cached AI demo prompts (no live AI on your content)
- Use system templates; receive shared templates
- Receive shared custom shapes, materials & loads
- Receive read-only shared links — always free
- Watermarked PDF export
- Solo workflow
Pro
Most popular$59 per month
- Everything in Free, plus:
- Unlimited worksheets
- 100 AI calls/month — Generate, Ask & Research Mode (Explain unmetered)
- Research Mode for codes outside the verified library
- Upload + share custom libraries (shapes, materials, loads)
- Save & share personal templates
- Solo + single + dual peer review workflows
- Generate read-only shared links
- Clean, stamp-ready PDF export
Have a discount code? Apply it at checkout.
Team
Phase 2 multi-seat, coming soon
- Everything in Pro for every seat
- Shared firm libraries & templates
- Admin controls
Sharing is always free to receive. Free users can open worksheets containing custom shapes, use templates shared by Pro colleagues, and view read-only shared links — no upgrade required to receive work someone sends you.
Subscriptions renew until cancelled; cancel anytime from the billing portal. By subscribing you agree to the Terms of Service.