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