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Head-to-head · Lighting Design Software

DIALux vs AGi32

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score DIALux #2 in Lighting Design Software 8.8/10 Free plan · paid from €19.99/mo · 30-day trial Free plan✓ 0 of 3 features Visit DIALux
AGi32 #8 in Lighting Design Software 7.9/10 Paid ✓ 2 of 3 features Visit AGi32

DIALux leads on 1 check, AGi32 on 2, and 0 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDIALux · 8.8/10
  • Free planonly DIALux
  • Most featuresAGi32 · 2 of 3

DIALux scores higher on our rubric for lighting design software: 8.8 against 7.9 out of 10; our editors rank them #2 and #8.

DIALux offers free plan; AGi32 doesn't. AGi32 offers 3d visualization; DIALux doesn't publish it. AGi32 offers plot & paperwork; DIALux doesn't publish it.

DIALux is the better fit for lighting designers working to standards across project types. AGi32 is the better fit for photometric lighting calculations and reports.

  • DIALux fits best

    Lighting designers working to standards across project types

  • 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 DIALux 8.8/10 Visit ↗ AGi32 7.9/10 Visit ↗
At a glance
Editor score 8.8 7.9
Ranking #2 in Lighting Design Software #8 in Lighting Design Software
Best for Lighting designers working to standards across project types Photometric lighting calculations and reports
Pricing model Free plan + paid Paid
Starting price Not published Not published
Free plan ✓ (best) —
Free trial — —
Deployment Desktop Desktop
Platforms Windows Windows
Support Community, Docs Email, Phone, Docs
Integrations 1 integrations 3 integrations
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features DIALux 0/3 · AGi32 2/3
3D visualization Not published ✓ (best)
Plot & paperwork Not published ✓ (best)
Live previsualization Not published Not published
Specs
Console protocols Not published Not published
Platforms Not published Windows
Fixture library size Not published Not published
Our review
Pros
  • Plans indoor, outdoor, road and emergency lighting with daylight analysis
  • Checks calculations against international norms and assesses energy use
  • Pro adds IFC workflows, office-format exports and custom report layouts
  • 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
  • Desktop software is available for Windows only
  • Free access to luminaires is limited to DIALux Member manufacturers
  • Pro is needed for IFC import and export and custom report layouts
  • 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

DIALux evo is desktop software for planning, calculating and visualizing lighting in rooms, buildings, streets and outdoor areas. It serves lighting designers, technicians, architects, students and others working on lighting projects, from…

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. DIALuxLighting Design Software 8.8Free plan · paid from €19.99/mo · 30-day trial
  2. AGi32Lighting Design Software 7.9Paid

Strengths and trade-offs

  • DIALux — where it wins

    • Plans indoor, outdoor, road and emergency lighting with daylight analysis
    • Checks calculations against international norms and assesses energy use
    • Pro adds IFC workflows, office-format exports and custom report layouts

    Where it doesn't

    • Desktop software is available for Windows only
    • Free access to luminaires is limited to DIALux Member manufacturers
    • Pro is needed for IFC import and export and custom report layouts
  • 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.
  • DIALux8.8/10 · Free plan · paid from €19.99/mo · 30-day trial

    A Windows lighting design tool with a free core and paid BIM and export features.

    Visit DIALuxFull verdict →
  • AGi327.9/10 · Paid

    AGi32 pairs photometric analysis with CAD exchange, 3D rendering and reports.

    Visit AGi32Full verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update