New Release

A Sun in Your Pocket

Sun & Moon Tracker

Turn your iPhone into a personal planetarium. Real-time sun and moon tracking, beautiful widgets, and precise astronomical event predictions—all with your privacy protected.

Download on the
App Store
A Sun in Your Pocket
Real-time Tracking Moon Phases Golden Hour Widgets

Your Personal Planetarium

Discover the cosmos from your pocket.

Live

Real-time Tracking

Watch the sun and moon move across the sky in beautiful 3D. See exactly where they are, when they'll rise and set.

Home

Beautiful Widgets

Elegant widgets for your home screen and lock screen. Track golden hour, blue hour, and astronomical events at a glance.

Events

Astronomical Timeline

Never miss a celestial event. Get predictions for eclipses, meteor showers, solstices, equinoxes, and more.

Photo

Weather Integration

Plan your photography sessions perfectly with integrated weather forecasts showing conditions during golden hour.

Relax

Zen Mode

Immerse yourself in a meditative visualization of Earth floating in space with accurate day/night cycles and star positions.

Perfect For Everyone

Whether you're a photographer, astronomer, or nature lover.

For Photographers

Plan golden hour shoots with precision. Know exactly when the light will be perfect for your next masterpiece.

For Astronomers

Track celestial events, moon phases, and twilight times with scientific precision. All calculated locally.

Privacy First

Your location never leaves your device. All calculations are done locally. Works completely offline.

Go Premium

Unlock the full potential of your personal planetarium.

$0.99
per month
$9.99
per year
7-day free trial
$19.99
lifetime
Solar path visualization Moon trajectory Weather integration Ad-free experience

Changelog

Illuminating updates.

Version 1.1

  • New visual element: Light a lamp post to illuminate the night (with live insects fluttering around the light).
  • New weather events alter the landscape in real-time (Freezing, snow, and rain).
  • New Compass and AR mode to see the real path of the sun.
  • 16 different visual states of the Moon.
  • ZEN Mode with 6 relaxing sounds.
  • Planetarium improvement with more detailed information and new celestial bodies.
  • Real texture of the Moon.
  • Export featured events to your calendar.
  • Moonrise and moonset are now much more precise using a real astronomical algorithm (Jean Meeus).
  • Minor bug fixes and improvements.