Intergalactic Solar System vs Solar System&Celestial Objects
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Planet and moon exploration
- Country geography learning
- Milky Way galaxy view
- Common Core aligned curriculum
- Proficiency assessment
- Engaging gameplay levels
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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!
Solar System&Celestial Objects
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Easy learning about solar system, stars, celestial objects, constellations, spacecraft with pictures ,sounds and quiz games. If you who always search and learn a quiz app like these, this app is for you ① Solar system Flash card app. ② Stars Quiz app. ③ Celestial objects quiz app. ④ Stars history and information app. ⑤ Constellations name cards. ⑥ Guess solar system app. Features: - You can learn many kinds of stars. - You can play solar system quiz. - Many information related to solar system, stars, celestial objects, constellations, spacecraft - Support Quiz feature. - Support 5 languages: English, Japanese, Korean, Chinese, Vietnamese
Screenshots
Verdict
The clearest difference is in-app purchases: Solar System&Celestial Objects at none against Intergalactic Solar System's 1. Intergalactic Solar System's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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
Both are free to download. Intergalactic Solar System sells 1 one-off in-app purchase. Solar System&Celestial Objects asks for nothing beyond the download.
Intergalactic Solar System ships an update monthly, Solar System&Celestial Objects every 6 weeks. The most recent releases landed on September 22, 2026 and September 14, 2026 respectively.
| Parameter | Intergalactic Solar System | Solar System&Celestial Objects |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (25 ratings) — better | — |
| Positive reviews | 70.0% of reviews | — |
| Number of ratings | 25 — better | — |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 355 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Intergalactic Education LLC | NIKI TECH |
In-app purchases
Intergalactic Solar System
- Access to Full Game$3.99
Solar System&Celestial Objects
No in-app purchases
Questions
Is Intergalactic Solar System free?
Is Solar System&Celestial Objects free?
Do Intergalactic Solar System or Solar System&Celestial Objects have ads?
Which is updated more often, Intergalactic Solar System or Solar System&Celestial Objects?
Other comparisons
