home For Home Hunters

Sunlight can make or break a place to live.

SunCast helps you predict how a property will feel in real light — any room, any season — before you sign anything.

Download on the App Store

4.9 · US App Store

Dim, cool living room with little natural light Warm, sunlit living room
Risky Choice
Confident Decision
chevron_left chevron_right

How it works

  1. home
    Stand in the apartment
  2. calendar_month
    See the light for any season
  3. check_circle
    Decide with confidence

Built for the job

head_mounted_device

AR Sun Tracker

Hold your phone up at a viewing and watch the sun trace its path across the room — for any day of the year, before you sign anything.

Plan natural light through windows, shade in your garden, or scout outdoor shots without leaving your couch.

iPhone showing the sun path drawn over a real building in AR
landscape_2

Realistic Shadow Mapping

See realistic 3D shadows cast by buildings and terrain at any time of day, in any season.

Perfect for finding sunny spots, scouting locations, or figuring out which apartment gets light in winter.

3D shadows cast across a city block at noon
construction

Building Shadow Simulator

Preview planned buildings before they go up and see exactly how they'll change light and shadow in nearby streets, parks, and apartments.

Preview of a planned building's shadow on neighboring streets
See all features arrow_forward
help FAQ

Frequently asked questions

Can I check sunlight in an apartment before renting? keyboard_arrow_down
Yes. Stand in the apartment, point your iPhone, and see the sun's path for summer and winter. Find out if it gets morning sun, afternoon light, or stays in shadow most of the day.
Can I see the sun's path for different seasons? keyboard_arrow_down
Yes. SunCast can overlay the summer and winter solstice sun paths on both the mapSolstice sun paths on the SunCast map and in ARDecember Solstice path in SunCast AR view — useful for understanding how light changes across seasons at any location. Enable them separately using the Solstice path toggles in Settings.Solstice path toggles in SunCast settings
Can I see building shadows? keyboard_arrow_down
Yes. Visualize Shadows shows realistic 3D shadows from buildings and terrain at any time of day or season. Construction Mode lets you preview how a planned building will change light and shadow on neighboring streets.
Can SunCast show where the sun will be on a future date? keyboard_arrow_down
Yes. Pick any date — past or future — and any location, and SunCast shows the full sun path, sunrise and sunset times, and shadow positions for that moment.
View all questions arrow_forward

Stop guessing the light.

Download on the App Store