Horizon vs Below Me

Hold up your phone and watch the night sky come alive. Horizon-AR uses your camera, GPS, and device motion to place real-time augmented reality overlays exactly where celestial objects appear in the sky above you. TRACK THE SOLAR SYSTEM Follow the Moon, Sun, Mercury, Venus, Mars, Jupiter, and Saturn with a live arc overlay showing each object's full path across the sky tonight. Rise and set times update in real time based on your precise location. 110 MESSIER DEEP-SKY OBJECTS IN AR Activate Hot Targets mode and see every Messier object currently above your horizon floating in the AR view — galaxies, nebulae, open clusters, and globular clusters, each colour-coded by type. Tap any label to open a detail card showing: • Object type and Messier catalogue number • Common name (Andromeda Galaxy, Orion Nebula, Pleiades…) • Current altitude above the horizon • Apparent visual magnitude • Recommended instrument — naked eye, binoculars, or telescope • Favourite toggle, saved across sessions When objects cluster together, a single tap fans them out radially so you can reach each one individually. FILTER BY OBJECT TYPE Narrow the Hot Targets overlay to just galaxies, just nebulae, or just star clusters with a single tap. Objects you've starred appear in your Nightly Overview for quick access every session. FREEZE THE SKY Long-press anywhere to lock the entire AR view — overlays and camera image — as a still frame. Perfect for star parties, sketching, or sharing a screenshot. Tap once to unfreeze. NIGHTLY OVERVIEW Open the Tonight sheet for a full list of rise, transit, and set times for all solar system objects plus your Messier favourites, sorted for the coming night at your location. WORKS WITHOUT FULL PERMISSIONS No camera access? Horizon-AR switches to a star-field background with altitude rings and an azimuth grid so you can still explore the sky. Declined location? Enter coordinates manually and continue without interruption. No account. No subscription. No ads. Privacy: your location and camera data never leave your device.

What's on the other side of the horizon? Point your iPhone or iPad at the horizon, tilt it down, and Below Me shows you the countries that lie beyond the curve of the Earth, as if you could look straight through the planet. Below Me isn't a map. It's a window. Every border you see is placed where it really is from where you stand: computed on the WGS84 ellipsoid with great-circle math and projected through the Earth along your line of sight. Tilt further and the countries get farther away. Point straight down and you're looking at your antipode. FEATURES • Live AR view: country borders, sea names, a labelled 10° grid and distance labels floating over your camera image • Crosshair readout: which country or sea you're looking at, how far away it is and in which direction • Info panel you can fold away to a small tag for a clear view • Mini globe showing your position and line of sight, drag it to spin • Outdoor mode that dims the camera for bright daylight • Colour tints for land and seas, thin or bold borders • Choose kilometers or miles • English and German • Works offline. No account, no tracking, no internet needed FREE Explore everything within 5,000 km of where you stand. PRO – ONE-TIME PURCHASE • Whole Earth: range up to 20,000 km, all the way to your antipode • Place search: any country, 34,000 cities offline or any place worldwide via Apple Maps. Up to five red markers, and an arrow guides you there through the Earth • Relief: mountains, shelves and deep-sea trenches as coloured, shaded terrain • Your exact antipode, marked in yellow straight below your feet • Fine borders and coastlines (Natural Earth 1:10M, five times more detail) • Home marker: a red dot shows where home is when you travel • Major cities with distance • Local time at the point you're looking at • Country info card: outline, capital, area, population, currency, calling code, languages • Live day-night line and the sun through the Earth: tilt down at night and see where it's shining right now • Simulate a location: explore the Earth from New York, Tokyo or anywhere else Buy once, keep forever. Family Sharing included. No subscription. For the curious, travellers, teachers, pilots, sailors and anyone who has ever stood on a beach and wondered what lies out there. Requires an iPhone or iPad (iOS 18 or later).