Independent developer
Construction calculator apps built for the jobsite.
Lightray Studio makes focused utility apps for fast, repeatable construction math.
The goal is simple: less friction, clearer results, and calculations you can actually reuse.
Site Calc Pro pre-order live now
Launch price $9.99
Privacy policy and support available
Apps
Two construction-focused calculator apps are currently featured here: the new workflow-first
Site Calc Pro and the established Construction Calc Pro.
Site Calc Pro
Pre-order now • Launches June 1, 2026
A new construction calculator built around fast jobsite math, editable tape, and saved projects.
- Fast, dependable construction math for practical jobsite workflow
- Editable tape and saved projects help keep calculations organized
- Feet/inches and metric entry in a familiar calculator layout
- Review, edit, and duplicate previous calculations with less friction
Construction Calc Pro
Established app
A broad construction calculator with material estimators, measurement tools, and conversion helpers.
- 33 material estimators including concrete, paint, paving, rebar, roofing, and tiles
- 15 measurement calculators including stairs, siding, squaring, rafters, and floor joists
- Metric and feet/inches inputs
- Built for repeated construction calculations on site
Support
What this site is for
- Store support links
- Privacy and contact details
- A simple home for current apps