Comparison

Solar Walk 2 vs Intergalactic Solar System

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

Head to head
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
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!

About

Intergalactic Solar System

Explore planets, moons, and countries in this space simulator mini-game. Learn astronomy and geography aligned with next-generation science standards. Discover the Milky Way galaxy and assess your knowledge through engaging gameplay.

Highlights
  • Planet and moon exploration
  • Country geography learning
  • Milky Way galaxy view
  • Common Core aligned curriculum
  • Proficiency assessment
  • Engaging gameplay levels
Features
Read full description

Intergalactic Education introduces Intergalactic Solar System, a mini-game that teaches about planets, moons, and countries. This space simulator lets you explore celestial bodies from the viewpoint of space itself. The latest edition adds the Milky Way as an observable galaxy. Intergalactic Solar System uses next generation science standards (Common Core aligned) astronomy and geography. (Follows standards ESS1.A, ESS1.B, and CCSS.ELA-LITERACY.RH.6-8.7) Try Intergalactic Solar System! Assess proficiency in Solar System knowledge according to educational standards. Rewarding levels of gameplay maintain engagement. You will forget you were doing astronomy and geography!

Screenshots

Solar Walk 24 screens
Intergalactic Solar System3 screens

Verdict

The call

The clearest difference is price: Intergalactic Solar System at Free against Solar Walk 2's $2.99. Intergalactic Solar System also leads on update cadence (monthly vs every 2 months). Solar Walk 2's advantage is rating (4.7 vs 4.0) and ratings volume (7.3K vs 25). On review sentiment, 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

Intergalactic Solar System is free to download; Solar Walk 2 costs $2.99 up front. Solar Walk 2 sells 7 one-off in-app purchases and Intergalactic Solar System sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Solar Walk 2 holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Solar Walk 2 has 7.3K ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 75% of Solar Walk 2's written reviews are positive against 70% of Intergalactic Solar System's.

UpkeepUpdate frequency

Solar Walk 2 ships an update every 2 months, Intergalactic Solar System monthly. The most recent releases landed on October 26, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 6 level
Solar Walk 2 versus Intergalactic Solar System: the parameters behind the verdict, then further details
ParameterSolar Walk 2Intergalactic Solar System
Price$2.99Free — better
Rating4.7 (7.3K ratings) — better4.0 (25 ratings)
Positive reviews74.9% of reviews — better70.0% of reviews
Number of ratings7.3K — better25
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size803 MB355 MB
Age rating4+4+
DeveloperVito Technology Inc.Intergalactic Education LLC

Customer experience

Solar Walk 2

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

Intergalactic Solar System

All ratings20 ratings
Positive75.0%
Neutral5.0%
Negative20.0%
Written reviews10 reviews
Positive70.0%
Neutral10.0%
Negative20.0%

Bugs and requests

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

Intergalactic Solar System

Not enough reviews yet to summarise bugs or requests.

In-app purchases

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
1 purchases

Intergalactic Solar System

One-time1
  • Access to Full Game$3.99

Questions

Is Solar Walk 2 free?
Solar Walk 2 costs $2.99, and also offers in-app purchases.
Is Intergalactic Solar System free?
Intergalactic Solar System is free to download, with in-app purchases available.
Which has better reviews, Solar Walk 2 or Intergalactic Solar System?
Solar Walk 2 is rated higher. Solar Walk 2 averages 4.7 out of 5 from 7.3K ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.
Do Solar Walk 2 or Intergalactic Solar System have ads?
Neither Solar Walk 2 nor Intergalactic Solar System shows ads.
Which is updated more often, Solar Walk 2 or Intergalactic Solar System?
Solar Walk 2 ships an update every 2 months, and Intergalactic Solar System monthly. Most recently, Solar Walk 2 was updated on October 26, 2026 and Intergalactic Solar System on October 9, 2026.

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