Comparison

Exoplanet vs Solar Walk 2

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

Solar Walk 2

Explore our Solar System with detailed 3D models of planets, moons, and spacecraft. Discover celestial events, track space missions, and travel through time and space with an interactive encyclopedia. Stay updated with the latest astronomy news.

Highlights
  • 3D Solar System model
  • Interactive space encyclopedia
  • Astronomy calendar
  • Time and space travel
  • Space mission tracking
  • 360-degree panoramic images
Features
Currently charting
Read full description

Solar Walk 2 is a powerful tool for exploring our Solar system. The app takes you on a fascinating trip through the vast realms of space and introduces an amazing Solar system model with beautiful 3D representations of the Sun, the Moon, planets, satellites, planetary atmospheres and other space objects in the smallest details. Being a new way to view the Solar system and explore the most outstanding space missions, Solar Walk 2 stands out among other astronomy applications with its stunning visuals, graphics and attractive interface. *** Best of 2016 *** "A must-have for solar system enthusiasts." - Star Mapping "The application is entertaining and useful as an astronomy educational tool." - MyMac "A great way for users of any age to learn more about astronomy." - AppAdvice "A peerless educational tool in astronomy boasting dazzling 3D visuals of solar flares, planetary atmospheres, auroras, and asteroid belts to deliver a unique space experience with unprecedented authenticity." - Appolicious Main features: ● 3D model of our Solar system ● Interactive space encyclopedia ● Astronomy calendar with various celestial events ● Travel in time and space ● Space missions and the history of space exploration ● Fantastic 3D models of spacecraft ● 360 degree images - panoramic photos of our Solar system ● "What's new" section with the latest news from the world of space and astronomy ► With Solar Walk 2 you will be able to see highly-elaborated and realistic 3D models of spacecraft, satellites and interplanetary stations in real action. You will see where they started, track the real trajectory of their flight path, watch gravitational maneuvers, view real pictures made during the missions. ► Enjoy observing fascinating 3D representations of Solar system objects and various deep space objects. The list is growing! We’re eager to add new dwarf planets, missions and more facts about space! All celestial bodies are represented in their correct positions in real time and provided with the detailed information. ► Astronomy calendar of Solar Walk 2 includes various astronomical events and events related to space exploration (the launching of satellites, the first landing on the moon, etc). Choose any date and time and travel in time observing the most interesting celestial events of different periods. ► Wonderful panoramic photos of space objects. Fascinated by the beauty of the Solar system, want to capture celestial objects in their glory? You can select any object, make a panoramic photo and share it on Facebook. Share the beauty of our universe with your friends. ► Be aware of the latest news from the world of space and astronomy with Solar Walk 2. The app's "What's new" section will inform you about the most outstanding celestial events in time. You won't miss the latest astronomy news. Solar Walk 2 is an excellent educational tool perfect for both adults and children who are interested in astronomy and space exploration. How is it different from Solar Walk? Solar Walk 2 has all-new graphics, interface and updated planetary textures. Your exploration of the Solar system in Solar Walk 2 is guided by a carefully handpicked calendar, a collection of simulations of celestial events with stunning visuals. You can still fly around the Solar system and explore it on your own, like in Solar Walk 1, but now you have a comprehensive tour guide at your disposal. The app contains In-App Purchases (Premium access). Premium access allows you to enjoy space missions, satellites, celestial events, asteroids, dwarf planets and comets. Unlock Premium access to the history of space exploration and man-made spacecraft. Travel with Voyager 1, see how gravity assists helped Cassini get to the outer edges of the Solar system, and explore Hubble as if you were right next to it. Note: Solar Walk users with the app installed on device get unlimited access at a discount. Start exploring the Universe with Solar Walk 2!

Screenshots

Exoplanet4 screens
Solar Walk 24 screens

Verdict

The call

The clearest difference is price: Exoplanet at Free against Solar Walk 2's $2.99. Exoplanet also leads on update cadence (every 2 weeks vs every 2 months) and review sentiment (91% vs 75%). Solar Walk 2's advantage is chart position (#129 vs unranked) and ratings volume (7.3K vs 979). On rating, ads, in-app purchases and monetization model 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

Exoplanet is free to download; Solar Walk 2 costs $2.99 up front. Exoplanet sells 7 one-off in-app purchases and Solar Walk 2 sells 7 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 4.7 for Solar Walk 2. That said, the two scores are not equally well evidenced: Solar Walk 2 has 7.3K ratings behind it against 979, so its average is the more settled of the two. Written reviews are what separate them: 91% of Exoplanet's written reviews are positive against 75% of Solar Walk 2's.

UpkeepUpdate frequency

Exoplanet ships an update every 2 weeks, Solar Walk 2 every 2 months. The most recent releases landed on November 10, 2026 and November 11, 2026 respectively.

Scorecard5 real differences · 6 level
Exoplanet versus Solar Walk 2: the parameters behind the verdict, then further details
ParameterExoplanetSolar Walk 2
PriceFree — better$2.99
Rating4.7 (979 ratings)4.7 (7.3K ratings) — better
Positive reviews90.9% of reviews — better74.9% of reviews
Number of ratings9797.3K — better
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#129 — better
DevicesiPhone, iPad, iPod, Apple TViPhone, iPad, iPod, Apple TV
Requires iOS13.012.0 — better
Further details — not scored
Size105 MB803 MB
Age rating4+4+
DeveloperHanno ReinVito Technology Inc.

Customer experience

Exoplanet

All ratings956 ratings
Positive93.0%
Neutral2.0%
Negative5.0%
Written reviews485 reviews
Positive90.9%
Neutral3.3%
Negative5.8%

Solar Walk 2

All ratings7,281 ratings
Positive94.0%
Neutral3.0%
Negative3.0%
Written reviews394 reviews
Positive74.9%
Neutral8.4%
Negative16.8%

User reviews

Exoplanet

From 979 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

Solar Walk 2

From 7.3K App Store ratings

What we love

  • 🚀 Immersive experience
  • 🌟 Stunning graphics
  • 💡 Detailed information on celestial bodies
  • 👍 Educational and informative
  • ⭐ Visually stunning

Room to improve

  • 🐛 Inconsistent zooming behavior
  • 💰 Locked content behind paywall
  • 🔍 Difficult to navigate
  • 🔍 Outdated information on missions and satellites

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

Solar Walk 2

Reported bugs

2 issues
  • Crashes on Apple Watch
  • Difficulty applying real-time settings

Requested features

5 requests
  • Add more minor moons and dwarf planets
  • Improve zoom functionality to allow for smoother transitions
  • Integrate more up-to-date information on space missions and satellites
  • Add support for exoplanets, black holes, and the Milky Way galaxy
  • Implement a free-flight mode to explore the solar system freely

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
7 purchases

Solar Walk 2

One-time7
  • Premium Access for a month$0.99
  • Premium Access for 3 months$1.99
  • Premium Access for 6 months$2.99
Show 4 more
  • Premium Access: Special Offer$2.99
  • Access for Solar Walk users$4.99
  • Premium Access for a year$5.99
  • Space Exploration Encyclopedia$8.99

Questions

Is Exoplanet free?
Exoplanet is free to download, with in-app purchases available.
Is Solar Walk 2 free?
Solar Walk 2 costs $2.99, and also offers in-app purchases.
Which has better reviews, Exoplanet or Solar Walk 2?
Solar Walk 2 is rated higher. Exoplanet averages 4.7 out of 5 from 979 ratings, while Solar Walk 2 averages 4.7 from 7.3K ratings.
Do Exoplanet or Solar Walk 2 have ads?
Neither Exoplanet nor Solar Walk 2 shows ads.
Which is updated more often, Exoplanet or Solar Walk 2?
Exoplanet ships an update every 2 weeks, and Solar Walk 2 every 2 months. Most recently, Exoplanet was updated on November 10, 2026 and Solar Walk 2 on November 11, 2026.

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