Structural engineering calculator library with 200+ standards-aligned calculators for timber, steel, concrete, and seismic design.
Active plans
3
Total changes
3
Last change
Jun 2, 2026
Price trend
Changes in 12 months
3
Cadence
Multiple changes per day
Direction
New plan recently added
Category position
Pricier than 94% of Developer Tools tools (1073 compared)
$66/mo
$99/mo
$124/mo
Last 3 changes
| Date | Plan | Change | Old | New | Δ% |
|---|---|---|---|---|---|
| Jun 2, 2026 | Ultimate | new plan | — | $124 | — |
| Jun 2, 2026 | Pro | new plan | — | $99 | — |
| Jun 2, 2026 | Basic | new plan | — | $66 | — |
No confirmed competitors yet. These are Developer Tools products at a similar price, matched automatically — not verified alternatives.