DECONSTRUCT SUN

Understand sunlight before you build, plant, or install solar. Map the horizon over a site photo and discover the precise hours of direct light available throughout each season.

See the app in action

Download on the App Store

Made for Real Sites

Photo-Based Tracing

Visual Path Overlays

Map obstructions on top of your own images. No more guessing or using complex tools. Our guided camera system follows the sun's natural arc through simple framed shots.

View the solar path projected onto your camera screen before taking a photo so you know exactly where to point your device.

Seasonal Yearly Outlook

Toggle between solstices and today. Light patterns shift yearly; a site that is bright in June might be dark in December. Get these vital insights before you start planting.

Export Your Study

Generate professional PDF sun studies or composite images of the entire horizon. These are perfect for keeping records or sharing with clients.

Your data stays on your phone. Locations, coordinates, skylines, and photos are never uploaded. We use no accounts, no ads, and no user tracking.

View the privacy policy here →

FREE

Solar path charts for any location. Manual skyline drawing tools. Daily direct-sun, daylight, dawn, and dusk insights.

Get Started

PRO

All free features plus photo tracing, guided arc capture, seasonal breakdowns, photo composites, and the ability to export professional branded PDFs.

$11.99

One-time buy, no monthly fee

Buy Pro

How it works

Three easy steps to map your horizon and calculate the exact hours of direct sunlight you get.

01

Map the Horizon

Capture photos of surrounding buildings and landscape or draw them manually. This app generates an accurate skyline based on your unique surroundings.

02

View Solar Trails

Our dynamic sky charts reveal the exact solar movement over your property for every hour and season.

03

Know the Data

View direct-sun hours, total daylight, dawn, and dusk. This data provides the clarity you need to plan your project.