ReluxDesktop
Free, with limitsFree professional light and sensor planning
Free tier & pricing
Free for personal, educational and commercial use with member luminaires; using non-member products needs a paid ReluxThirdParty license.
Last verified Jun 23, 2026. Report a change →
The short answer
Standards-compliant real-time simulation of artificial light, daylight and sensors for rooms, halls and outdoor areas.
The facts
- Pricing
- Paid · Free, with limits
- Free tier
- Yes
- Runs in browser
- No
- Platforms
- Windows
- 2D / 3D
- Good 3D
- Learning curve
- Moderate
- Export formats
- —
The catch
- Desktop install only — no browser version.
- Designs only with this brand’s own catalog.
Best for
Lighting designers who also plan sensors
ReluxDesktop: questions, answered
Is ReluxDesktop free?
ReluxDesktop has a free tier, but with limits. Free for personal, educational and commercial use with member luminaires; using non-member products needs a paid ReluxThirdParty license. Paid plans start at Paid.
What platforms does ReluxDesktop run on?
ReluxDesktop is available on Windows. It is a desktop install with no browser version.
Does ReluxDesktop do 3D and photorealistic renders?
ReluxDesktop supports 3D with good 3d render quality. For fully photorealistic output you may want a heavier tool.
Is ReluxDesktop easy to learn?
Moderate to pick up. Lighting designers who also plan sensors