Comparison

Gravity One vs Universe Fly

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

Head to head
About

Gravity One

Features
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The purpose of Gravity One is to get the Ball to the Worm Hole past the Gravity Well. As many times as possible, using as little thruster fuel as possible. Forever and ever until the end of time. -Enjoy the effects of gravity to guide the Ball to Worm Hole. -Drag the Ball to define speed and direction and perhaps you can get the Ball to Worm Hole. -Use thrusters to guide the Ball but beware the cost of using thrusters. -Ball, Gravity Well and Worm Hole randomly placed in each game. -Infinite number of regions to complete. -Tens of achievements to achieve. -No advertisements.

About

Universe Fly

Features
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Explore the Limits of the Universe - "Get ready for an adventure and experience the thrilling journey of a spaceship through space! In this simulation game, you'll face the challenges of the sun, black holes, and Earth's gravity. With only one chance to click, can you make it back to Earth successfully?" One-Click Decisions - "In this unique game, every click determines the fate of your spaceship. Your goal is to navigate through the gravitational fields of the sun, black holes, and Earth using just one click. This is a game that tests your wits and skills. Are you ready to challenge yourself?" Battle of Gravities - "In this addictive game, you'll be up against the forces of gravity and must use a single click wisely to overcome the attraction of the sun, black holes, and Earth. With limited spaceship fuel, strategic thinking is the key to successfully returning to Earth." Space Odyssey - "Ready to embark on a journey into the unknown of space? In this unique simulation game, you'll explore the solar system, face gravity challenges, and attempt to return to Earth with just one click. Every game is a marvelous space odyssey!" Challenge Global Players - "Join space adventures with players from around the world, and prove your skills and intelligence. Share your best scores and see who can become the champion of the spaceship gravity challenge!"

Screenshots

Gravity One3 screens
Universe Fly4 screens

Verdict

The call

The clearest difference is ads: Gravity One at none against Universe Fly's shown. Universe Fly's advantage is update cadence (every 2 months vs every 9 months) and iOS requirement (15.0 vs 18.0). On price, in-app purchases and device support 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Gravity One ships an update every 9 months, Universe Fly every 2 months. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

Scorecard3 real differences ยท 3 level
Gravity One versus Universe Fly: the parameters behind the verdict, then further details
ParameterGravity OneUniverse Fly
PriceFreeFree
Update frequencyEvery 9 monthsEvery 2 months โ€” better
AdsNo โ€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod โ€” better
Requires iOS18.015.0 โ€” better
Further details โ€” not scored
Size15 MB71 MB
Age rating4+4+
DeveloperSami SalkosuoSHIH-CHEN FAN

In-app purchases

None

Gravity One

No in-app purchases

None

Universe Fly

No in-app purchases

Questions

Is Gravity One free?
Gravity One is free to download, with no in-app purchases.
Is Universe Fly free?
Universe Fly is free to download, with no in-app purchases.
Do Gravity One or Universe Fly have ads?
Universe Fly shows ads; Gravity One does not.
Which is updated more often, Gravity One or Universe Fly?
Gravity One ships an update every 9 months, and Universe Fly every 2 months. Most recently, Gravity One was updated on September 14, 2026 and Universe Fly on September 8, 2026.

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