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Heliodos

Name: Heliodos
Author: Daniel Kraft

Daniel Kraft

AR overlay of the sun's and moon's path on your camera

Education
FOSS
Free
No ads
No tracking

Android only

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What are these stores? F-Droid, GitHub, Zapstore

Heliodos is an augmented reality (AR) app that overlays the sun's and moon's trajectories onto your live camera feed, so you can see exactly where sunlight will fall at any time of year — right through your phone's viewfinder.

Developer: Daniel Kraft
Source code: github.com/domob1812/heliodos
Added to AppCosmos: 10 October 2026
License: GPL-3.0-only