4 tools · 3 always free
Every construction tool, one wallet
Pure calculators are free forever. AI-powered generators draw from one shared credit balance across every tool — no per-tool subscriptions. 4 tools are live today; the rest are shipping soon.
Free
BOQ Generator
Generate a structured bill of quantities from your project spec.
Calculator
Free
Shed & Slab Calculator
Concrete volume, gravel base, and rebar/mesh for small-footprint slabs by size and thickness.
Calculator
Free
Permit Checklist Generator
Pick a country, then a city — see the real permit categories, named authorities, and local building department to check with. Free.
Drafting & docs
6 credits
Floor Plan Generator
Enter your footprint and room list — get 3 real, non-overlapping layout options in seconds, saved straight into a real, priced project.
Drafting & docs