EarthView vs Astrelia
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EarthView
Experience the real Solar System with live NASA imagery and an AI guide. Watch Earth rotate, journey to other planets with narrated tours, and ask questions about what you see. It's a pocket-sized window to space, offering the overview effect.
- Live, auto-rotating Earth imagery
- Narrated AI-guided tours of planets
- Real NASA mission imagery
- Interactive AI guide for questions
- Live Sun and Earth time-lapses
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Most "space" apps show you renders, simulations, or a wall of data. EarthView does something different: it shows you the real Solar System — and gives it a voice. It opens on Earth, live. The natural-color imagery comes straight from NASA's EPIC camera aboard the DSCOVR satellite, a million miles away at the Sun–Earth L1 point, looking back at the fully lit face of our planet. The frames auto-play, so you watch Earth actually rotate through the day. No telescope. No CGI. The real planet, as it looked today. Then start the journey. A calm AI guide flies you outward through the Solar System — Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune — and the Sun, narrating each world as you arrive, in genuine NASA mission imagery. Pick a theme and it plans the route for you. Curious about what you're seeing? Ask the guide — it answers about the exact world on your screen. - A narrated, AI-guided tour — every world spoken as you arrive - Live, auto-rotating Earth from NASA DSCOVR·EPIC, refreshed daily - Live Sun and Earth time-lapses from real feeds (SDO, GOES) — not loops - Real Mars rover imagery and curated NASA stills for every planet - Ask the guide anything, grounded in what you're looking at - No account, no ads, no in-app purchases — opens straight on Earth EarthView isn't a data tool or a research app. It's a small, beautiful window on the real Solar System, with a guide in your ear — the overview effect, in your pocket. (Note: NASA's EPIC imagery publishes with a short delay, so "live" means the latest real captured set, refreshed daily — not a real-time video feed.) Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Astrelia
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Raise your phone toward the sky and Astrelia shows you what is actually up there: stars, planets, the Moon and the Sun, placed for your exact location and this exact instant. Tap anything and it tells you everything it knows. POINT AT THE SKY Around 8,900 naked-eye stars, sized and coloured the way the eye sees them. Constellation lines, the ecliptic with the live planets, and a Sun and Moon computed with topocentric parallax and atmospheric refraction, so they sit where you can genuinely see them. Pinch to zoom and more names appear. Tap any star to identify it. Scrub time twelve hours forward or back and watch the whole sky move. Aim at something bright and align, and the compass error that ruins most sky apps is cancelled out. TONIGHT One screen for what is happening: the Moon's phase, sunrise and sunset, which planets are up right now and which are below the horizon, meteor showers near their peak, and what is coming — eclipses, oppositions, solstices, greatest elongations. All of it searched out of the live ephemeris, not read from a hardcoded list. NUMBERS THAT MEAN SOMETHING Every object opens into real astrophysics: distance, spectral class, temperature, luminosity, derived radius, orbital elements. Next to them, plain language — the year the light you are looking at left that star, how many Suns it would take to match it, what you would weigh on that planet, where the star falls on the HR diagram, and a one-line biography of its life. Anything unfamiliar has a glossary entry a tap away. THE GALAXY MAP Leave Earth entirely and free-fly a 3D map built from real data: about 25,000 catalogued stars at their true distances, the Milky Way as its real barred spiral, and deep-sky landmarks at their real positions, distances and sizes. Twenty-seven nebulae are built from public-domain telescope photographs, so their shape and colour are the ones the telescope saw — fly into them and they hold up in three dimensions. Fly to a star and its confirmed exoplanets are there, orbiting it. At the galactic centre, Sagittarius A* is rendered by tracing light through curved spacetime: the galaxy behind it genuinely bends around it. CONSTELLATIONS All 88 IAU constellations, plus asterisms, historical figures and cultural skies, each drawn over its real stars. Open any of them in 3D and the familiar shape falls apart into deep space, because a constellation is a line of sight rather than a thing. Astrelia computes all of it on your device from catalogs that ship inside the app. No account, no subscription, no ads, no tracking, and no network needed to use it. Every dataset, algorithm and image behind it is credited in About → Sources. Astrelia has a sister app, Selenia, which reads the same real sky the astrological way.
Screenshots
Verdict
The clearest difference is iOS requirement: EarthView at 15.0 against Astrelia's 26.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | EarthView | Astrelia |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 16 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Emre Gurbuzer | Elysia Munoz |
In-app purchases
EarthView
No in-app purchases
Astrelia
No in-app purchases









