Comparison

RelativityTheory vs CloudLabs Kepler's Laws

Price, ratings, monetisation and update history for both apps, side by side β€” 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

CloudLabs Kepler's Laws

Features
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This simulation will allow you to study Kepler’s laws. You will be given a holoprojector with which to observe the sun and one of its planets. The objective is to test Kepler’s laws and identify the unknown planet. To do so, you will need to find the area covered per unit of time and the semi-major axis.

Screenshots

RelativityTheory2 screens
CloudLabs Kepler's Laws1 screens

Verdict

The call

The clearest difference is price: CloudLabs Kepler's Laws at Free against RelativityTheory's $0.99. CloudLabs Kepler's Laws also leads on iOS requirement (9.0 vs 14.4). On ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

CloudLabs Kepler's Laws is free to download; RelativityTheory costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences Β· 4 level
RelativityTheory versus CloudLabs Kepler's Laws: the parameters behind the verdict, then further details
ParameterRelativityTheoryCloudLabs Kepler's Laws
Price$0.99Free β€” better
Update frequencyEvery 3 weeksβ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.49.0 β€” better
Further details β€” not scored
Size6 MB101 MB
Age rating4+4+
DeveloperTakao AkatsuJiovany Orozco

In-app purchases

None

RelativityTheory

No in-app purchases

None

CloudLabs Kepler's Laws

No in-app purchases

Questions

Is RelativityTheory free?
RelativityTheory costs $0.99, with no in-app purchases.
Is CloudLabs Kepler's Laws free?
CloudLabs Kepler's Laws is free to download, with no in-app purchases.
Do RelativityTheory or CloudLabs Kepler's Laws have ads?
Neither RelativityTheory nor CloudLabs Kepler's Laws shows ads.

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