Pricing
Stripe checkout runs in test mode for this build. Every calculator’s on-screen results are always free, on every plan — only PDF export and saved projects are gated.
Free
Every calculator, full results on screen — no account required.
$0
- All four calculators (PRELIM, Vessel Sizer, HPR, Coil)
- Full results on screen for every calculation
- No PDF export
- No saved projects
Report credits
One-time payments. Credits never expire.
$12per report
- $12 for 1 report, or $49 for a 5-pack
- 1 credit = 1 PDF report for one calculation
- Regenerating that same calculation's PDF again is free
- No subscription — pay only for the reports you export
Not available in this preview build.
Not available in this preview build.
Pro
For anyone exporting reports regularly.
$39/mo (or $390/yr)
- Unlimited PDF reports
- Saved projects
- All tools
Not available in this preview build.
Not available in this preview build.
Team
For teams sharing one billing seat.
$149/mo
- Everything in Pro
- 5 seats
- Company logo on report PDFs
Not available in this preview build.
Requires an active organization (switch to or create one in your account menu first).