Free
Daily engineering math in the browser
Free
- Core calculators (mass, bolts, bearings, beams, gears…)
- Alloy-true aluminum density
- 3 PDF / day (watermarked) · 1 DXF / day
- PWA offline-ready
Pricing
Clear packages — only shipping exports
You pay only for what ships: DXF/STEP/PDF export, nesting quota, unwatermarked reports. Toy OS demos are not part of the product.
Coming soon
Payments are not open yet
We are still polishing the product. Pro / Team checkout will open here and on the pricing page when ready. Everything is free to use for now.
Pro
For independent engineers & freelancers
$190/yr−17%
≈ $15.8/mo billed yearly
- Unlimited DXF / STEP / PDF
- Unwatermarked client PDFs
- Unlimited nesting & cut optimizer
- Local project BOM + priority support
Team
Shared licenses for design offices
$490/yr−17%
- Up to 10 seats
- Bulk API (500 rows/request)
- Custom report header fields
- Everything in Pro
Enterprise
Factories, OEMs, universities — custom contract
Custom
- Unlimited seats & API volume
- SSO / SLA by contract (not self-serve)
- Custom standards packs on request
- Training & onboarding
| Feature | Free | Pro | Team | Enterprise |
|---|---|---|---|---|
| 50+ engineering calculators | ||||
| Alloy-true density & materials DB | ||||
| PDF engineering reports | ||||
| Unwatermarked client-ready PDFs | ||||
| DXF manufacturing export | ||||
| STEP 3D CAD export | ||||
| Unlimited nesting & cutting optimizer | ||||
| AI engineering copilot (daily quota) | ||||
| Higher AI quota (Pro+) | ||||
| Bulk Calculation API | ||||
| Team seats (shared license keys) | ||||
| Local project BOM (browser storage) | ||||
| Priority email support |
Static-export safe licensing
Pay via Stripe / Lemon Squeezy / invoice. License keys verify on-device — works offline on the shop floor. Activate at /license.
Enterprise & API
OEMs, factories, universities: Bulk API, multi-seat keys, and contracted support. SSO/SLA are not self-serve — planned with sales.
sales@alucalculator.com →Prices may exclude VAT. Annual billing recommended. 14-day satisfaction guarantee on digital licenses.
Engineering results are decision-support tools. Always verify critical designs against applicable codes and professional judgment.
Checkout links not wired yet — “Get key / invoice” path is active. Operator: .env.local + Stripe Payment Links.