Visual Lighting

Free trial only

Lighting and energy calculation for pros

Free tier & pricing

Free self-serve 30-day trial on download; afterward it drops to a limited DEMO mode and full use needs an annual subscription.

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Last verified Jun 23, 2026. Report a change →

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The short answer

Desktop radiosity-based lighting analysis for interior and exterior spaces with UGR, energy and daylighting calcs and photometrically accurate renderings.

The facts

Pricing: Paid · Free trial only
Free tier: No
Runs in browser: No
Platforms: Windows
2D / 3D: Good 3D
Learning curve: Moderate
Export formats: —

The catch

Desktop install only — no browser version.
The paid plan is annual billing only.

Best for

Interior/exterior lighting layouts with controls