Comparison

Solar System (Lite) 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 System (Lite)

Explore the Solar System with interactive simulations and size comparisons. This educational app makes learning about planets, galaxies, and space exploration engaging for children. It offers a kid-friendly interface with no ads or in-app purchases.

Highlights
  • Interactive simulations
  • Size comparisons of celestial bodies
  • Planetary orbital speed visualization
  • Covers Milky Way, Sun, planets, dwarf planets
  • Kid-friendly navigation
  • No ads or in-app purchases
Features
Read full description

The perfect way for kids to experience the Solar System in a hands-on way! This interactive science book contains a select 18 pages from the full version of the app. ----- INTERACTIVE CONTENT ----- Even as an adult, it can be difficult to visualize just how massive the Sun is or how fast the different planets orbit the Sun. This app uses interactive simulations to allow children to explore these hard to visualize topics in a hands-on way. •••• Size Comparison •••• This page allows children to compare the sizes of many Solar System objects. Comparable objects include the Sun, the planets, major moons, and all the dwarf planets. •••• Planetary Revolutions •••• The planets are shown orbiting the Sun at their comparative speeds. Selecting Neptune reveals it takes 164.8 Earth years to orbit the Sun once while the inner planets seem to orbit the Sun at a dizzying speed. Select Mercury, with a year of 88 Earth days, and the outer planets barely seem to move at all. ----- TOPICS COVERED ----- • The Milky Way galaxy • The Sun • A list of the planets • A list of the dwarf planets • Planetary size comparisons • Planet orbital speeds • The history of space exploration ----- KID FRIENDLY ----- • Easy to use page navigation and search • NO ads • NO in-app purchases ----- FULL VERSION ----- For a more in depth look at the Solar System, consider buying the full version. The full version contains 58 pages of content! •••• Parents •••• The full version of the app is sure to captivate any child with its myriad of interesting facts, striking visuals, and engaging 3D simulations. Not only is the content fascinating to explore, it's educational too! Designed with grade school curriculum in mind, the app covers the major topics of the Solar System while explaining concepts in an easy to understand manner. •••• Teachers •••• Many schools with iPads in the classroom have already used the full version of the app with great success. The interactive content is well suited for teaching complex topics such as planetary seasons and the vast distances of the Solar System. Children can explore this information independently or with the aid of a teacher. ----- MORE INFORMATION ----- Visit http://vosonos.net/product/solar-system-lite

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

Intergalactic Solar System3 screens

Verdict

The call

The clearest difference is rating: Solar System (Lite) at 4.5 against Intergalactic Solar System's 4.0. Solar System (Lite) also leads on in-app purchases (none vs 1) and review sentiment (83% vs 70%). Intergalactic Solar System's advantage is update cadence (monthly vs every 3 months) and device support (3 vs 1). On price, ratings volume and ads 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. Intergalactic Solar System sells 1 one-off in-app purchase. Solar System (Lite) asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Solar System (Lite) holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 23 and 25 respectively. Written reviews point the same way: 83% of Solar System (Lite)'s written reviews are positive against 70% of Intergalactic Solar System's.

UpkeepUpdate frequency

Solar System (Lite) ships an update every 3 months, Intergalactic Solar System monthly. The most recent releases landed on July 6, 2026 and September 22, 2026 respectively.

Scorecard7 real differences · 3 level
Solar System (Lite) versus Intergalactic Solar System: the parameters behind the verdict, then further details
ParameterSolar System (Lite)Intergalactic Solar System
PriceFreeFree
Rating4.5 (23 ratings) — better4.0 (25 ratings)
Positive reviews83.3% of reviews — better70.0% of reviews
Number of ratings2325 — better
Update frequencyEvery 3 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPadiPhone, iPad, iPod — better
Requires iOS8.0 — better13.0
Further details — not scored
Size91 MB355 MB
Age rating4+4+
DeveloperVosonos LLCIntergalactic Education LLC

Customer experience

Solar System (Lite)

All ratings23 ratings
Positive87.0%
Neutral0.0%
Negative13.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Intergalactic Solar System

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

In-app purchases

None

Solar System (Lite)

No in-app purchases

1 purchases

Intergalactic Solar System

One-time1
  • Access to Full Game$3.99

Questions

Is Solar System (Lite) free?
Solar System (Lite) is free to download, with no 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 System (Lite) or Intergalactic Solar System?
Solar System (Lite) is rated higher. Solar System (Lite) averages 4.5 out of 5 from 23 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.
Do Solar System (Lite) or Intergalactic Solar System have ads?
Neither Solar System (Lite) nor Intergalactic Solar System shows ads.
Which is updated more often, Solar System (Lite) or Intergalactic Solar System?
Solar System (Lite) ships an update every 3 months, and Intergalactic Solar System monthly. Most recently, Solar System (Lite) was updated on July 6, 2026 and Intergalactic Solar System on September 22, 2026.

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