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Head-to-head · Lighting Design Software

ReluxDesktop vs AGi32

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
ReluxDesktop #5 in Lighting Design Software 7.9/10 Free plan Free plan✓ 3 of 3 features Visit ReluxDesktop
AGi32 #8 in Lighting Design Software 7.9/10 Paid ✓ 2 of 3 features Visit AGi32

ReluxDesktop leads on 2 checks, AGi32 on 0, and 2 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Free planonly ReluxDesktop
  • Most featuresReluxDesktop · 3 of 3

ReluxDesktop and AGi32 score identically on our rubric (7.9 out of 10) for lighting design software; ReluxDesktop sits at #5 and AGi32 at #8 in our editorial ranking, so the choice comes down to fit.

ReluxDesktop offers free plan; AGi32 doesn't. ReluxDesktop offers live previsualization; AGi32 doesn't publish it.

ReluxDesktop is the better fit for free architectural lighting simulation and planning. AGi32 is the better fit for photometric lighting calculations and reports.

  • ReluxDesktop fits best

    Free architectural lighting simulation and planning

  • AGi32 fits best

    Photometric lighting calculations and reports

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature ReluxDesktop 7.9/10 Visit ↗ AGi32 7.9/10 Visit ↗
At a glance
Editor score 7.9 7.9
Ranking #5 in Lighting Design Software #8 in Lighting Design Software
Best for Free architectural lighting simulation and planning Photometric lighting calculations and reports
Pricing model Free Paid
Starting price Not published Not published
Free plan ✓ (best) —
Free trial — —
Deployment Desktop Desktop
Platforms Windows Windows
Support Tickets Email, Phone, Docs
Integrations 3 integrations 3 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features ReluxDesktop 3/3 · AGi32 2/3
3D visualization ✓ ✓
Plot & paperwork ✓ ✓
Live previsualization ✓ (best) Not published
Specs
Console protocols Not published Not published
Platforms Windows 10/11 Windows
Fixture library size Not published Not published
Our review
Pros
  • Plans indoor, outdoor, daylight, sensor and emergency lighting.
  • Combines photorealistic 3D visualisation with real-time interactive planning.
  • Exports compliance calculations and supports CAD/BIM formats.
  • Direct and full-radiosity calculations cover electric light and daylight.
  • Imports and exports DWG/DXF and accepts IES and EULUMDAT photometric files.
  • Produces customizable reports, schedules, plots, renderings and animations.
Cons
  • Runs on Windows 10/11 only.
  • Displaying non-Relux member luminaires requires a separate ReluxThirdParty licence.
  • Delivered as desktop software rather than a web-based planning tool.
  • Runs on Windows only.
  • The annual subscription is for a single user.
  • Paid software, so it is not a fit for buyers seeking a free plan.
Our verdict

ReluxDesktop is desktop software for simulating artificial light and daylight and planning lighting and sensors in indoor and outdoor spaces. It also supports emergency-lighting planning, including automatic luminaire placement. Its…

Read the review →

Lighting professionals use AGi32 to model indoor and outdoor environments and predict how electric luminaires and daylight perform. Its audience includes engineers, lighting designers, architects and manufacturers who need photometric…

Read the review →
  1. ReluxDesktopLighting Design Software 7.9Free plan
  2. AGi32Lighting Design Software 7.9Paid

Strengths and trade-offs

  • ReluxDesktop — where it wins

    • Plans indoor, outdoor, daylight, sensor and emergency lighting.
    • Combines photorealistic 3D visualisation with real-time interactive planning.
    • Exports compliance calculations and supports CAD/BIM formats.

    Where it doesn't

    • Runs on Windows 10/11 only.
    • Displaying non-Relux member luminaires requires a separate ReluxThirdParty licence.
    • Delivered as desktop software rather than a web-based planning tool.

  • AGi32 — where it wins

    • Direct and full-radiosity calculations cover electric light and daylight.
    • Imports and exports DWG/DXF and accepts IES and EULUMDAT photometric files.
    • Produces customizable reports, schedules, plots, renderings and animations.

    Where it doesn't

    • Runs on Windows only.
    • The annual subscription is for a single user.
    • Paid software, so it is not a fit for buyers seeking a free plan.

More comparisons

All lighting design software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update