Intergalactic Solar System vs GPT Solar System Explorer
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!
GPT Solar System Explorer
Explore our Solar System in an interactive 3D environment powered by AI. Discover stunning images and videos from space agencies, and ask your AI guide anything about the cosmos. Perfect for curious minds of all ages.
- Interactive 3D Solar System model
- AI-powered cosmic guide
- NASA, SpaceX, ESA imagery & videos
- Planet and mission details
- Voice-activated Q&A
- Intuitive controls for all ages
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Get ready for an out-of-this-world experience. This interactive 3D space app, powered by advanced AI, brings the wonders of our Solar System to life. Discover breathtaking images and videos from NASA, SpaceX, Roscosmos, the Chinese Space Agency, ESA, and more. Fly from planet to planet, explore the Moon and Sun, and get up close with stunning space photography and footage. The intuitive controls make space exploration easy for both kids and adults. Touch down on any planet and choose from the menu: - About the Planet – Learn about its structure, atmosphere, and unique features. - Photos & Videos – Browse exclusive images of spacecraft, planetary landscapes, and historic space missions. - Missions – Discover lunar and Mars rovers, deep-space probes, and Elon Musk’s vision for colonizing Mars using Starships and more Meet your cosmic AI space guide. Curious about black holes? Wondering how astronauts live in space? Just tap the mic button in the lower-right corner and ask anything. Your AI guide holds vast knowledge of the cosmos and adapts to your preferred style, whether you want a simple explanation or a deep scientific breakdown. Download now and embark on a space journey with your AI companion! *** This app offers auto-renewable subscriptions for one month and one year. Your subscription renews automatically 24 hours before the current period ends. You can cancel anytime in your device settings. For details, please review our Privacy Policy: https://kidify.games/privacy-policy/ and Terms of Use: https://kidify.games/terms-of-use/
Screenshots
Verdict
The clearest difference is review sentiment: Intergalactic Solar System at 70% against GPT Solar System Explorer's 0%. Intergalactic Solar System also leads on monetization model (free with in-app purchases vs subscription) and iOS requirement (13.0 vs 15.0). GPT Solar System Explorer's advantage is rating (4.7 vs 4.0) and update cadence (every 2 weeks vs monthly). On price, ads, in-app purchases and device support 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 and GPT Solar System Explorer sells 5 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.
GPT Solar System Explorer holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 25 and 90 respectively. Written reviews complicate that: 70% of Intergalactic Solar System's written reviews are positive against 0% of GPT Solar System Explorer's, so the app with the better star average is not the one people write more warmly about.
Intergalactic Solar System ships an update monthly, GPT Solar System Explorer every 2 weeks. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.
| Parameter | Intergalactic Solar System | GPT Solar System Explorer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (25 ratings) | 4.7 (90 ratings) — better |
| Positive reviews | 70.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 25 | 90 — better |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 355 MB | 288 MB |
| Age rating | 4+ | 4+ |
| Developer | Intergalactic Education LLC | Apic Ways |
Customer experience
Intergalactic Solar System
GPT Solar System Explorer
In-app purchases
Intergalactic Solar System
- Access to Full Game$3.99
GPT Solar System Explorer
- Monthly Pro Subscription$5.991 Month
- Monthly Super Pro Subscription$19.991 Month
- Monthly Ultra Pro Subscription$29.991 Month
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- Yearly Pro Subscription$39.991 Year
- AI coins$5.99
Questions
Is Intergalactic Solar System free?
Is GPT Solar System Explorer free?
Which has better reviews, Intergalactic Solar System or GPT Solar System Explorer?
Do Intergalactic Solar System or GPT Solar System Explorer have ads?
Which is updated more often, Intergalactic Solar System or GPT Solar System Explorer?
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