Simple, transparent pricing

Pick a plan that fits — upgrade or top up anytime.

Pay-as-you-go

For occasional use

Free

Start free
  • No monthly fee
  • 40 free credits on sign-up — valid 30 days, enough for one complete drawing
  • Single drawing uploads
  • FAIR feature generation & export
  • Top up credits anytime

Pay-as-you-go does not include the parts library: results stay in your browser’s local staging (10 slots), while the drawing and its results are deleted from our servers after 24 hours. Billing records are kept.

Most popular

Standard

For regular teams

$18.99/mo

200 credits / month

Choose Standard
  • Everything in Pay-as-you-go
  • 200 credits every month
  • Parts library — drawings and results kept permanently
  • Batch uploads
  • DFM review
  • 100 saved analyses

Pro

For power users

$44.99/mo

500 credits / month

Choose Pro
  • Everything in Standard
  • 500 credits every month
  • Review Reference — up to 5 of your own rules (each adds 2 cr per page to DFM runs)
  • 500 saved analyses

Subscriptions and top-ups run on Stripe — your credits land the moment checkout completes.

Need more credits?

One-time top-ups — never expire, work on any plan.

150 credits

$14.99

Buy
+10% bonus

240 credits

$21.99

Buy
Best value

650 credits

$54.99

Buy