Comparison

Gravity! vs Universe Maker

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

Head to head
About

Gravity!

Simulate the forces of gravity by flinging particles and observing their interactions. Create celestial bodies like planets and black holes, and customize their properties. Explore vast cosmic simulations with intuitive zoom and pan controls.

Highlights
  • Gravity simulation
  • Particle interaction
  • Create solar systems
  • Add black holes
  • Adjust particle properties
  • Zoom and pan controls
Features
Read full description

This app simulates the effects of gravity. You can fling particles at each other and watch them interact. Create solar systems and galaxies! Make a planet and fling asteroids into it! Add a black hole and watch everything get sucked in! You can adjust the size, mass, and color of the particles! Zoom in and out and look around with two fingers! App Preview Music: "Mesmerizing Galaxy " Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 4.0 License http://creativecommons.org/licenses/by/4.0/

About

Universe Maker

Explore the potential histories and futures of a universe by adjusting its fundamental components. This educational tool allows users to experiment with radiation, matter, and dark energy to observe how these elements influence cosmic evolution.

Highlights
  • Simulate universe histories and futures
  • Tinker with universe composition
  • Observe cosmic evolution
  • Experiment with radiation, matter, and dark energy
Read full description

Universe make lets you the many possible histories and futures that a universe can have. Scientists believe that our universe is expanding at an accelerating rate and will expand forever. If the composition of our universe were to change, however, its future could be quite different. Our universe contains three things: radiation, matter, and dark energy. Together, these three components control the evolution of the universe. Universe Maker invites you to tinker with the composition of our universe and watch its history and destiny change.

Screenshots

Gravity!4 screens
Universe Maker1 screens

Verdict

The call

The clearest difference is in-app purchases: Universe Maker at none against Gravity!'s 1. Universe Maker also leads on review sentiment (100% vs 74%) and iOS requirement (9.0 vs 15.6). Gravity!'s advantage is ratings volume (18 vs 6). On price, rating, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Gravity! sells 1 one-off in-app purchase. Universe Maker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 3.9 for Gravity! against 3.8 for Universe Maker. Both are backed by a comparable volume of ratings — 18 and 6 respectively. Written reviews are what separate them: 74% of Gravity!'s written reviews are positive against 100% of Universe Maker's.

Scorecard5 real differences · 5 level
Gravity! versus Universe Maker: the parameters behind the verdict, then further details
ParameterGravity!Universe Maker
PriceFreeFree
Rating3.9 (18 ratings) — better3.8 (6 ratings)
Positive reviews73.5% of reviews100.0% of reviews — better
Number of ratings18 — better6
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.69.0 — better
Further details — not scored
Size17 MB2 MB
Age rating4+4+
DeveloperMarc DavisChristopher Leet

Customer experience

Gravity!

All ratings18 ratings
Positive72.2%
Neutral5.6%
Negative22.2%
Written reviews34 reviews
Positive73.5%
Neutral8.8%
Negative17.6%

Universe Maker

All ratings6 ratings
Positive66.7%
Neutral16.7%
Negative16.7%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Gravity!

One-time1
  • Gravity! Extended Edition$0.99
None

Universe Maker

No in-app purchases

Questions

Is Gravity! free?
Gravity! is free to download, with in-app purchases available.
Is Universe Maker free?
Universe Maker is free to download, with no in-app purchases.
Which has better reviews, Gravity! or Universe Maker?
Gravity! is rated higher. Gravity! averages 3.9 out of 5 from 18 ratings, while Universe Maker averages 3.8 from 6 ratings.
Do Gravity! or Universe Maker have ads?
Neither Gravity! nor Universe Maker shows ads.

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