Simple, Transparent Pricing
Start free. Upgrade when you need more. No hidden fees, no surprises.
Free
$0/forever
Individual engineers exploring NEC4
- Calendar Days Calculator
- Working Days Calculator
- NEC4 Clause Search (94 clauses)
- NEC4 Chatbot — 3 AI questions/day
- Global holidays (206 countries)
Basic
$9/month
Contract administrators & QSs
- Everything in Free
- Unlimited AI chatbot questions
- Save calculation history
- Contract Profile (Options A-F)
- PDF export
- Priority support
Most Popular
Pro
$29/month
Project managers & planners
- Everything in Basic
- CE Cost Calculator
- Programme Delay Analyzer
- Early Warning Checklist
- NEC4 Clause commentary editor
- Team collaboration (up to 5)
Enterprise
$99/month
Engineering firms & corporates
- Everything in Pro
- Unlimited team members
- White-label (custom domain + logo)
- API access
- SSO / SAML
- Dedicated account manager
- Custom NEC4 tools development
All plans include a 14-day free trial. Cancel anytime.