Simple pricing. Unfair value.
From individuals to global engineering firms. Customize reports with your brand. Cancel anytime.
Lifetime Pro for $199 — pay once, use forever
Every current and future calculator, AI assistant, branded PDF reports, and all updates. Forever. No renewals. 30-day money-back guarantee.
Pro
- 14-day free trial — no card required
- All 5 disciplines incl. Instrumentation
- Generator sizing (ISO 8528 / NFPA 110)
- Branded PDF report export
- AI Engineering Assistant
- 30-day money-back guarantee
Business
- Everything in Pro
- Up to 10 seats — invite your team
- Your company name, logo & address on every PDF
- VAT/Tax ID on invoices & receipts
- Priority email support (< 4h response)
- 30-day money-back guarantee
Enterprise
- Unlimited seats
- Custom branding & domain on reports
- SSO-ready (SAML)
- Dedicated success engineer
- Custom invoicing & PO billing
Annual billing available at checkout — save up to 34%.
Common questions
Yes — cancel from the billing portal. You keep access until the end of the current period.
Yes. Business and Enterprise plans render your company name, address, VAT ID, and logo on every PDF report and Stripe invoice.
Enterprise plans support PO billing and ACH/SEPA. Contact us after subscribing and we'll switch your billing method.
If something doesn't work as advertised in the first 14 days, email us and we'll refund you. No questions.
A one-time $199 payment unlocks Pro features for life: all five discipline calculators, AI assistant, branded PDF exports, and every future Pro feature. Limited to the first 100 seats.
The Business plan includes up to 10 seats by default with shared company branding on every PDF and invoice. Additional seats can be added from the billing portal.
Yes. Annual plans are billed at $79/year for Pro and $299/year for Business — roughly 34% less than monthly billing.
The Free tier covers most coursework. For academic site licenses, email support@enginesuite.app with your institution details.