Comparison

RelativityTheory vs Cosmic Origins

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

RelativityTheory

Features
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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.

About

Cosmic Origins

Features
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Cosmic Origins is an interactive space and astronomy experience that explores the history of the universe โ€” from the Big Bang to galaxies, stars, planets, and constellations. Travel through major cosmic eras with immersive visuals, detailed explanations, and beautifully designed educational content. Discover how the universe formed, how stars created the elements, how galaxies evolved, and how our Solar System and Earth came to exist. Features: โ€ข Explore the timeline of the universe โ€ข Learn about galaxies, black holes, stars, and planets โ€ข Discover famous constellations and their mythology โ€ข Immersive cosmic visuals and atmospheric design โ€ข Interactive educational modules โ€ข Space quiz challenges to test your knowledge โ€ข Beautifully crafted astronomy experience for all ages Whether you are curious about space, passionate about astronomy, or simply want to explore the cosmos, Cosmic Origins offers a visually rich journey through space and time.

Screenshots

RelativityTheory2 screens
Cosmic Origins4 screens

Verdict

The call

The clearest difference is price: Cosmic Origins at Free against RelativityTheory's $0.99. RelativityTheory's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Cosmic Origins is free to download; RelativityTheory costs $0.99 up front. Cosmic Origins sells 1 one-off in-app purchase. RelativityTheory asks for nothing beyond the download.

Scorecard2 real differences ยท 4 level
RelativityTheory versus Cosmic Origins: the parameters behind the verdict, then further details
ParameterRelativityTheoryCosmic Origins
Price$0.99Free โ€” better
Update frequencyEvery 3 weeksโ€”
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.4 โ€” better15.1
Further details โ€” not scored
Size6 MB42 MB
Age rating4+4+
DeveloperTakao AkatsuAta Guneser

In-app purchases

None

RelativityTheory

No in-app purchases

1 purchases

Cosmic Origins

One-time1
  • Premium Access$1.99

Questions

Is RelativityTheory free?
RelativityTheory costs $0.99, with no in-app purchases.
Is Cosmic Origins free?
Cosmic Origins is free to download, with in-app purchases available.
Do RelativityTheory or Cosmic Origins have ads?
Neither RelativityTheory nor Cosmic Origins shows ads.

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