Helioscope Software Free -

DIALux is the most powerful free competitor to Helioscope. Used by millions of lighting designers worldwide, DIALux evo (the latest version) offers:

Is it Helioscope? No. But for 90% of outdoor lighting projects, DIALux replaces Helioscope entirely.

If you work for a solar equipment distributor (e.g., panel or inverter manufacturer), you can request a free NFR license from Helioscope’s partner program. Distributors often give these to top installers as a sales incentive.

How to get: Ask your regional sales rep for SunPower, Qcells, Enphase, or SolarEdge whether they have Helioscope demo seats available. Some will provide login credentials at no cost. helioscope software free

Reality check: This is not a public offer. It requires existing business relationships.


A: Yes. Sign up for the 30-day trial, complete your project, and export all reports. After 30 days, you lose editing access, but you keep your exported PDFs and images.

The short answer is: No, there is no fully functional, legitimate "freeware" version of Helioscope. DIALux is the most powerful free competitor to Helioscope

Folsom Labs/Aurora Solar does not offer a permanent free tier. However, there are two legal pathways to use Helioscope for free or at a reduced cost:

In the world of landscape architecture, irrigation design, and outdoor lighting, precision is everything. One name stands out as the industry standard for lighting calculations and photometric analysis: Helioscope. Developed by Lighting Analysts, Inc., Helioscope is a powerful, web-based tool designed for simulating sunlight, shading, and artificial lighting.

However, professional licenses for Helioscope can be expensive, often costing thousands of dollars annually. This leads thousands of designers, students, and hobbyists to search for the same elusive phrase: "Helioscope software free." Is it Helioscope

But is there truly a free version? And if not, what legitimate alternatives or trial options exist? This article explores everything you need to know about accessing Helioscope without breaking the bank, as well as the best open-source and freemium alternatives available today.

For pure helioscopic (sun observing) needs—such as finding solar azimuth and altitude for a specific date—websites like SunCalc.org or NOAA Solar Calculator are completely free. These do not handle light fixtures or IES files, but they solve the "sun path" half of Helioscope’s function.