Palindrome vs Intergalactic Solar System
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Palindrome
Discover words and phrases that read the same forwards and backward. Save your findings and share them with friends via email. A simple yet engaging way to explore language.
- Find palindromes
- Save discoveries
- Share via email
- Word game
- Language exploration
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Looking for a time filler or even a new hobby? Let's try to find an new palindrome which is a word or phrase that can be read the same way in either direction (the adjustment of punctuation and spaces between words is generally permitted). You can save what you found and send it via email to a friend.
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!
Screenshots
Verdict
The clearest difference is review sentiment: Intergalactic Solar System at 70% against Palindrome's 0%. Intergalactic Solar System also leads on price (Free vs $0.99) and rating (4.0 vs 1.0). Palindrome's advantage is in-app purchases (none vs 1). On ads, 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
Intergalactic Solar System is free to download; Palindrome costs $0.99 up front. Intergalactic Solar System sells 1 one-off in-app purchase. Palindrome asks for nothing beyond the download.
Intergalactic Solar System holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: Intergalactic Solar System has 25 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 0% of Palindrome's written reviews are positive against 70% of Intergalactic Solar System's.
Palindrome ships an update every 22 months, Intergalactic Solar System monthly. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.
| Parameter | Palindrome | Intergalactic Solar System |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 1.0 (2 ratings) | 4.0 (25 ratings) — better |
| Positive reviews | 0.0% of reviews | 70.0% of reviews — better |
| Number of ratings | 2 | 25 — better |
| Update frequency | Every 22 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 1 MB | 355 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Intergalactic Education LLC |
Customer experience
Palindrome
Intergalactic Solar System
In-app purchases
Palindrome
No in-app purchases
Intergalactic Solar System
- Access to Full Game$3.99
Questions
Is Palindrome free?
Is Intergalactic Solar System free?
Which has better reviews, Palindrome or Intergalactic Solar System?
Do Palindrome or Intergalactic Solar System have ads?
Which is updated more often, Palindrome or Intergalactic Solar System?
Other comparisons
