RelativityTheory vs GalacticAR for Education
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RelativityTheory
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Introducing and explaining the mysterious phenomenon derived from the theory of relativity. In particular, we will detail the changes in the way time progresses. The interstellar flight screen shows how time progresses in response to rocket speed. Shows the difference in how time progresses between rockets and the earth in space travel. The GPS screen shows that gravity changes the way time progresses.
GalacticAR for Education
Explore the universe with interactive 3D models and an extensive encyclopedia. Test your knowledge with over 300 quiz questions covering comets, planets, galaxies, and more. Ideal for students and educators seeking a comprehensive astronomy learning experience.
- 300 quiz questions
- 121 astronomical topics
- 43 interactive 3D models
- 16 immersive outer space scenes
- 9 main astronomy categories
- 6 language options
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GalacticAR for Education is the complete school edition of GalacticAR. Explore and learn about the universe, from comets and planets to black holes, galaxies, and the cosmos as a whole. GalacticAR combines a comprehensive astronomy encyclopedia, interactive 3D models and scenes, and a quiz with 300 questions across multiple difficulty levels. Ideal for schools, classrooms, students, and anyone who wants a complete astronomy experience. It is available across Apple platforms as a one-time app purchase for educational use. Features: • 300 quiz questions to test and expand your knowledge • 121 astronomical topics in the encyclopedia • 43 interactive 3D models • 16 immersive outer space scenes, from the Solar System to galaxies. • 9 main categories: Comets, Asteroids, Moons, Planets, Solar System, Stars, Black Holes, Galaxies, and Universe. • 8 Game Center achievements to collect • 3 Game Center leaderboards to compete in • 6 languages (English, German, French, Spanish, Japanese and Simplified Chinese) • Made for Vision Pro, iPhone, iPad, Mac, Apple TV and Apple Watch.
Screenshots
Verdict
The clearest difference is update cadence: RelativityTheory at every 3 weeks against GalacticAR for Education's every 3 months. RelativityTheory also leads on price ($0.99 vs $4.99) and iOS requirement (14.4 vs 26.0). GalacticAR for Education's advantage is device support (6 vs 3). On ads and in-app purchases 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
RelativityTheory costs $0.99 and GalacticAR for Education $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
RelativityTheory ships an update every 3 weeks, GalacticAR for Education every 3 months. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.
| Parameter | RelativityTheory | GalacticAR for Education |
|---|---|---|
| Price | $0.99 — better | $4.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro — better |
| Requires iOS | 14.4 — better | 26.0 |
| Further details — not scored | ||
| Size | 6 MB | 222 MB |
| Age rating | 4+ | 4+ |
| Developer | Takao Akatsu | Vielfalt Software e.U. |
In-app purchases
RelativityTheory
No in-app purchases
GalacticAR for Education
No in-app purchases
Questions
Is RelativityTheory free?
Is GalacticAR for Education free?
Do RelativityTheory or GalacticAR for Education have ads?
Which is updated more often, RelativityTheory or GalacticAR for Education?
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