Comparison

Exoplanet vs Galaxy Map

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Exoplanet

Explore a vast, interactive database of discovered exoplanets and their host stars. Visualize their physical properties, locations in the night sky, and orbital paths. Discover the observable universe from Earth to the cosmic microwave background with stunning 3D models and augmented reality features.

Highlights
  • Interactive visualizations and animations
  • Daily updated exoplanet and host star properties
  • 3D Milky Way model with exoplanet locations
  • Augmented reality sky map
  • Exoplanet orbit and habitable zone visualizations
  • Data from multiple exoplanet catalogs
Features
Read full description

Exoplanets are planets orbiting stars beyond our own solar system. This app allows you to explore all discovered exoplanets, their measured physical properties, their location in the night sky, and their host stars. An interactive model shows you the entire observable universe, all the way from the surface of the Earth to the cosmic microwave background. This app has been developed by a professional astronomer. Main features: * Interactive visualizations and animations. * Physical properties of all detected exoplanets and their host stars, updated on a daily basis. * Stunning 3D model of our Milky Way showing the location of all known exoplanets. You can zoom into any planetary system, explore how the night sky and the constellations look from the surface of other planets, or zoom out and see other local galaxies and galaxy clusters as well as the cosmic microwave background. * Visualizations of exoplanet orbits and the habitable zone. * Choose between the Open Exoplanet Catalogue, the NASA Exoplanet Archive, and the Extrasolar Planet Encyclopedia (exoplanet.eu). * Push notifications are sent out whenever a new planet is discovered. * Augmented reality sky map: point the phone towards the sky to find an exoplanet! * Interactive multi-touch correlation plots. * Solar System planets, major moons, and asteroids are included. * Explore S-Stars orbiting the black hole at the Galactic Center of our Milky Way * Background information about exoplanets and detection methods. * Full support of planets in binary, triple, quadruple systems and orphan planets. * Real-time ray tracing on the GPU.

About

Galaxy Map

Explore the Milky Way and Andromeda galaxies in an interactive 3D map. Discover nebulae, supernovae, and planets, with stunning visuals based on NASA data. Ideal for education and space enthusiasts.

Highlights
  • Interactive 3D galaxy map
  • Explore nebulae and supernovae
  • Fly through planetary atmospheres
  • Land on planets
  • Based on NASA data
  • Available in 100+ languages
Features
Read full description

The galaxy map is an interactive map of the Milky Way galaxy, Andromeda and their satellite galaxies. Explore the Orion Arm's nebulae and supernovae from the comfort of your spaceship. Fly through the atmosphere of Mars and many other planets and you can even land on them. Discover the galaxy in a stunning three dimensional map based on NASA's artistic impression of the Milky Way galactic structure. Photos are taken by NASA spacecraft and ground based telescopes like Hubble Space Telescope, Chandra X-Ray, Herschel Space Observatory and the Spitzer Space Telescope. This interactive 3D map is excellent for teachers to use for instruction, and it is a great astronomy resource for students to explore the Milky Way galaxy and space as they learn more about the universe we live in. Available in over 100 languages! You can also From the outskirts of the galaxy, in the Norma-Outer spiral arm to the galactic center's supermassive black hole Sagittarius A*, discover a galaxy full of amazing facts. Notable structures included: the Pillars of Creation, Helix Nebula, the Engraved Hourglass Nebula, the Pleiades, the Orion Arm (where the solar system and the Earth are located) with its Orion belt. Check out neighboring dwarf galaxies such as Sagittarius and the Canis Major Overdensity, stellar streams as well as internal galactic components such as a variety of nebulae, star clusters or supernovae. Explore space and get a little closer to our wonderful universe with this awesome astronomy app! The Galaxy Map requires internet access to retrieve information from the wiki.

Screenshots

Exoplanet4 screens
Galaxy Map4 screens

Verdict

The call

The clearest difference is ads: Exoplanet at none against Galaxy Map's shown. Exoplanet also leads on update cadence (every 2 weeks vs every 5 weeks) and review sentiment (91% vs 80%). On price, rating, ratings volume and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Exoplanet sells 7 one-off in-app purchases and Galaxy Map sells 13 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Exoplanet against 4.6 for Galaxy Map. Both are backed by a comparable volume of ratings — 956 and 600 respectively. Written reviews are what separate them: 91% of Exoplanet's written reviews are positive against 80% of Galaxy Map's.

UpkeepUpdate frequency

Exoplanet ships an update every 2 weeks, Galaxy Map every 5 weeks. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

Scorecard4 real differences · 6 level
Exoplanet versus Galaxy Map: the parameters behind the verdict, then further details
ParameterExoplanetGalaxy Map
PriceFreeFree
Rating4.7 (956 ratings) — better4.6 (600 ratings)
Positive reviews91.0% of reviews — better80.0% of reviews
Number of ratings956 — better600
Update frequencyEvery 2 weeks — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size105 MB613 MB
Age rating4+4+
DeveloperHanno ReinAndrei Nistorescu

Customer experience

Exoplanet

All ratings956 ratings
Positive93.0%
Neutral2.0%
Negative5.0%
Written reviews476 reviews
Positive91.0%
Neutral3.2%
Negative5.9%

Galaxy Map

All ratings600 ratings
Positive91.0%
Neutral4.0%
Negative5.0%
Written reviews100 reviews
Positive80.0%
Neutral7.0%
Negative13.0%

User reviews

Exoplanet

From 956 App Store ratings

What we love

  • 🚀 Great app
  • 👍 Insanely entertaining
  • 👍 Amazing graphics and interactive diorama
  • 👍 Detailed explanation of planets
  • 👍 Awesome app for astronomy and physics lovers

Room to improve

  • 🐛 Some exoplanets not showing up in search
  • 🐛 Inconsistent behavior when switching between databases
  • 🔒 Paid upgrades required to access more features
  • 🐛 Upgrade purchase issues with Galaxy Clusters and CMB add-on
  • 🐛 Exoplanets represented as generic white balls

Galaxy Map

From 600 App Store ratings

What we love

  • 🌌 Impressive 3D galaxy and nebula visualizations
  • 🚀 Spaceship exploration feature with landing capability
  • 📚 Educational content about space and astronomy
  • 🎮 Fun and engaging gameplay mechanics
  • ✨ No ads in free version

Room to improve

  • 💰 Excessive paywall for most content
  • 🐛 App crashes and fails to load
  • 🎮 Poor control mechanics for flying and walking
  • 🔍 Lack of zoom functionality or unclear controls
  • 🌑 Black holes look too similar to each other

Bugs and requests

Exoplanet

Reported bugs

2 issues
  • Upgrade purchase issues with Galaxy Clusters and CMB add-on
  • Kepler objects of interest disappearing when switching databases

Requested features

9 requests
  • Add more detailed textures and visuals for exoplanets
  • Ability to view multiple databases simultaneously
  • Option to see planet surfaces and atmospheres
  • Inclusion of dwarf planets in our solar system
  • Ability to zoom in on and explore other galaxies
Show 4 more
  • Addition of black holes, pulsars, and other celestial objects
  • Inclusion of satellite and spacecraft orbits
  • Narration or audio commentary for key discoveries
  • Ability to view the universe from the surface of planets

Galaxy Map

Reported bugs

9 issues
  • App crashes on startup
  • Explore button shows nothing
  • Pinch-to-zoom doesn't work
  • App won't load on iPad
  • Text displays as boxes in language settings
Show 4 more
  • Mars moon orbital speed incorrect
  • App kicks users out during exploration
  • Loading issues and incomplete functionality
  • Inconsistent performance across platforms

Requested features

18 requests
  • Search button to find galaxies and objects
  • More diverse and realistic black hole designs
  • AR feature to identify stars/planets in real sky
  • More free content and objects
  • Exoplanet additions (TRAPPIST-1e, J1407B)
Show 13 more
  • Ability to click on stars within galaxies for details
  • Generated planets around stars
  • Sandbox/creation mode for user-generated content
  • Animation for Milky Way and Andromeda
  • More galaxy variety in the app
  • Coordinates filter for objects
  • Space-Engine style gameplay
  • Flying through galaxies feature
  • More female character customization options
  • VIP version option
  • Brown dwarfs addition
  • Photosphere viewing mode
  • More detailed star information

In-app purchases

7 purchases

Exoplanet

One-time7
  • Galaxy Clusters and CMB$0.99
  • Asteroids$0.99
  • Gaia Stars$0.99
Show 4 more
  • S-Stars$0.99
  • Catalogues$0.99
  • Developer Appreciation Coffee$1.99
  • Kepler Add-on$2.99
13 purchases

Galaxy Map

One-time13
  • Buy ship - Alien Destroyer$0.99
  • Buy ship - Alien fighter$0.99
  • Remove ads$1.99
Show 10 more
  • Buy ship - Alien Destroyer$1.99
  • Buy ship - Alien fighter$1.99
  • 3D Visualization Pack$1.99
  • Buy ship - Dragon Frigate$1.99
  • Essentials bundle - SALE$2.99
  • Remove ads$3.99
  • 3D Visualization Pack$3.99
  • Essentials bundle$4.99
  • Ultimate bundle - SALE$7.99
  • Ultimate bundle$12.99

Questions

Is Exoplanet free?
Exoplanet is free to download, with in-app purchases available.
Is Galaxy Map free?
Galaxy Map is free to download, with in-app purchases available.
Which has better reviews, Exoplanet or Galaxy Map?
Exoplanet is rated higher. Exoplanet averages 4.7 out of 5 from 956 ratings, while Galaxy Map averages 4.6 from 600 ratings.
Do Exoplanet or Galaxy Map have ads?
Galaxy Map shows ads; Exoplanet does not.
Which is updated more often, Exoplanet or Galaxy Map?
Exoplanet ships an update every 2 weeks, and Galaxy Map every 5 weeks. Most recently, Exoplanet was updated on September 21, 2026 and Galaxy Map on September 20, 2026.

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