
SunArch
Sun path & facade studies
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Free
In-App Purchases
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About
SunArch shows where the sun is, where it goes and what that means for a place: on the map, through the camera and on the facade of a building.
SUN COMPASS
See the sun's path on the satellite map, in 2D or 3D, for any place and date, with sunrise, sunset, solar noon and the solstice paths in the local time zone.
SUN AR
Point the camera at the sky to see the sun's path, the solstices and the moon over the live image, and align the drawing with the real sun in one tap.
COMFORT & FACADES
Measure a facade's orientation with the camera and see how much of a window is shaded by the overhang in summer and winter. Rate each room on a site map, check the local climate and winds, and export a bioclimatic study in PDF for your clients.
SHADOW TRACKER
Shadows of walls, houses and trees drawn to scale on the map, hour by hour, with a one-page PDF shadow study.
SOLAR MANAGER & PANEL 3D
Set up your solar system from the number of panels or from your electricity bill. See the panel facing the real sun in 3D, the power right now (clear sky and with Apple Weather clouds), today's energy, the ideal tilt and the generation through the year with NASA POWER climate data. Measure your roof's tilt with Panel Angles.
SUN TIMER AND SPACE WEATHER
Sunrise, sunset, golden hour and blue hour for any place. Kp index, observed and forecast, with how far the aurora may reach. Solar flux: live GOES X-rays, solar flares and the F10.7 radio flux from NOAA.
NUMBERS WITH A SOURCE
Sun position from NOAA's solar equations, 25-year NASA POWER climatology, Apple Weather and the PVEducation clear-sky model. Every estimate is labeled as an estimate, with its source.
FREE AND PRO
Free: Sun Timer, Kp Index and Solar Flux without limits; Sun Compass with dates up to 15 days from today and places up to 500 m from you; Sun AR with the 1× lens for today; one solar site.
SunArch Pro unlocks any date and any place, full Comfort & Facades, Panel Angles, PDF reports, multiple solar sites synced with iCloud, and Sun AR with the 0.5× lens, solstices, other dates and technical photos.
SunArch Pro is an auto-renewable subscription, weekly or monthly, with a 3-day free trial for new subscribers. Payment is charged to your Apple Account when you confirm the purchase, or when the free trial ends. The subscription renews automatically unless it is canceled at least 24 hours before the end of the current period. Manage or cancel it in your Apple Account settings.
No account, no ads, no tracking.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://sunarch.com.br/privacy.html
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What's New in SunArch
1.0
November 6, 2026
2
Subscriptions & In-App Purchases
SunArch Pro Monthly
Every tool, report and place, no limits
$14.991 Month
3 Days trial








