Comparison

Explain 3D 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

Explain 3D

Explore the solar system and universe in a 3D environment with realistic models and animations. Learn about planets and spacecrafts, with an option to suggest new simulations. The free version offers basic solar system data, while the full version unlocks more celestial bodies and spacecrafts.

Highlights
  • Interactive 3D environment
  • Realistic 3D models and animations
  • Planet and spacecraft descriptions
  • Engaging educational content
  • Suggest simulation tool
  • Full version with expanded content
Features
Read full description

Explore the solar system and universe with simulations in 3D environment. With Explain3D: Explore the universe, you will have unique chance to explore solar system, planets and most famous spacecrafts in the history of world. Everything is created in amazing 3D environment with realistic 3D models. Start your journey now! FEATURES - interactive 3D environment with complex and realistic 3D models and animations - simple, intuitive, smooth and user friendly interface - description of main parts of planets and spacecrafts - great to make education more engaging and interesting - Want some special simulation? Use "Suggest simulation tool" and we will implement your ideas into application. Free version Real simulation of solar system with planet ecliptic orbits and main information about route, speed and other information. Planets: Sun Spacecrafts: Sputnik 1 FULL version Real simulation of solar system with planet ecliptic orbits and main information about route, speed and other information. Planets: Sun, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune... Spacecrafts: Apollo, Cassini-Huygens, Galileo, Hubble space telescope, ISS, Pioneer, Sputnik, Vostok, Voyager...

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

Explain 3D3 screens
Intergalactic Solar System3 screens

Verdict

The call

The clearest difference is review sentiment: Intergalactic Solar System at 70% against Explain 3D's 0%. Intergalactic Solar System also leads on rating (4.0 vs 2.7) and update cadence (monthly vs every 5 months). Explain 3D's advantage is iOS requirement (10.0 vs 13.0). On price, 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

Both are free to download. Explain 3D sells 1 one-off in-app purchase 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

Intergalactic Solar System holds the better App Store score, 4.0 against 2.7. Both are backed by a comparable volume of ratings — 7 and 25 respectively. Written reviews point the same way: 0% of Explain 3D's written reviews are positive against 70% of Intergalactic Solar System's.

UpkeepUpdate frequency

Explain 3D ships an update every 5 months, Intergalactic Solar System monthly. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

Scorecard5 real differences · 5 level
Explain 3D versus Intergalactic Solar System: the parameters behind the verdict, then further details
ParameterExplain 3DIntergalactic Solar System
PriceFreeFree
Rating2.7 (7 ratings)4.0 (25 ratings) — better
Positive reviews0.0% of reviews70.0% of reviews — better
Number of ratings725 — better
Update frequencyEvery 5 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size205 MB355 MB
Age rating4+4+
DeveloperExplain 3DIntergalactic Education LLC

Customer experience

Explain 3D

All ratings7 ratings
Positive42.9%
Neutral0.0%
Negative57.1%
Written reviews6 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Intergalactic Solar System

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

In-app purchases

1 purchases

Explain 3D

One-time1
  • Unlock all simulations$3.99
1 purchases

Intergalactic Solar System

One-time1
  • Access to Full Game$3.99

Questions

Is Explain 3D free?
Explain 3D is free to download, with in-app purchases available.
Is Intergalactic Solar System free?
Intergalactic Solar System is free to download, with in-app purchases available.
Which has better reviews, Explain 3D or Intergalactic Solar System?
Intergalactic Solar System is rated higher. Explain 3D averages 2.7 out of 5 from 7 ratings, while Intergalactic Solar System averages 4.0 from 25 ratings.
Do Explain 3D or Intergalactic Solar System have ads?
Neither Explain 3D nor Intergalactic Solar System shows ads.
Which is updated more often, Explain 3D or Intergalactic Solar System?
Explain 3D ships an update every 5 months, and Intergalactic Solar System monthly. Most recently, Explain 3D was updated on October 13, 2026 and Intergalactic Solar System on October 9, 2026.

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