Sunreach
Know the minute the sun reaches your spot, in 3D and AR
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Sunrise times assume a flat horizon. In a valley, a gorge or between tall buildings they can be hours off. Sunreach traces the real skyline around any spot and tells you the minute direct sun arrives and leaves, any day of the year. See it in 3D at eye level or in AR where you stand, find the days the sun lines up with a street or a peak, and check whether tonight's aurora clears your mountains. iPhone, iPad and Apple Watch. No account, no ads.
PH · launched Nov 6, 2026 · 2 upvotes (top 19%) · 0 views
Niche: stargazing and astronomy weather apps · 90 launches, 12 in the last 7 days ▼ -29% · Explore this niche →
Category and tags
- B2C
- Not AI
- Commercial product
- iOS
- Travel
- Photography
Visit website ↗ Source listing ↗
More like this: all 90 launches in stargazing and astronomy weather apps →
Could you build this?
Partial Sun path calculation and a horizon from terrain data are doable with open elevation datasets and astronomy libraries, but the 3D and AR experience and accurate skyline modeling add real technical difficulty.
What it would actually take: Use an open DEM source (e.g., Copernicus or SRTM) with a solar-position library such as SunCalc, then compute horizon angles by ray-casting the terrain and buildings. Render the result in Three.js or WebXR for AR. The hard parts are building-level skyline data for urban areas, which often requires paid 3D city datasets, and making AR alignment accurate enough to trust.
Competitors
Other products that read as similar to this one : 366 launches clear the similarity bar, closest 8 shown.
Attention rank: #50 of 367 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 303 days after the earliest competitor.
- Sunlane · ph · 2026-11-03 · 1 upvotes · similarity 0.68
- Asterfold: Sunset Planner · ph · 2026-11-08 · 1 upvotes · similarity 0.56
- Sun light and path calculation for photography · hn · 2026-07-05 · 7 upvotes · similarity 0.54
- Sunwake · ph · 2026-10-25 · 1 upvotes · similarity 0.52
- Skysoon · ph · 2026-11-12 · 70 upvotes · similarity 0.50
- EARTH RIGHT NOW · ph · 2026-11-05 · 1 upvotes · similarity 0.50
- Sundial+ for iPhone, iPad, & Apple Watch · ph · 2026-11-14 · 3 upvotes · similarity 0.49
- Sunset Today · ph · 2026-10-27 · 1 upvotes · similarity 0.49
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