Comparison

O vs Saturn Slalom

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

Head to head
About

O

Navigate a spinning circle through challenging obstacles in this minimal action runner. Levels dynamically change direction and flip, testing your reflexes. Compete globally and unlock customizations.

Highlights
  • One-tap gameplay
  • Mind-bending geometry
  • Randomly generated levels
  • Chiptune soundtrack
  • Unlockable customizations
  • Global leaderboards
Features
Read full description

Jump into the spinning circle of O-VOID! In this super minimal action runner, you’ll be jumping over obstacles with the tap of a finger. But this is not a regular platformer! The entire level can change direction or flip upside down to throw you off. Are you skilled enough to survive every challenge? Features: • Simple one-tap gameplay inside mind-bending geometry • 8 randomly generated levels for endless replayability • Unique and pumping chiptune soundtrack • Near impossible challenges to unlock player customizations • Global leaderboards to compete with the world on

About

Saturn Slalom

Navigate a rocket through an audio-reactive galaxy, scoring points by flying close to celestial bodies. Experience dynamic visuals and sound that respond to your gameplay, with immersive haptics and challenging missions.

Highlights
  • Audio-reactive visuals and sound
  • Intuitive tap controls
  • Risk-and-reward combo system
  • Immersive visual effects
  • Intense haptic feedback
  • Endless gameplay with missions
  • Game Center leaderboards and achievements
Features
Currently charting
Read full description

Weave your rocket ship through a chaotic, audio-reactive galaxy in an interstellar test of skill, nerve, and speed! Perfect for quick bursts of fun or long sessions chasing that next big run. Score points by threading your ship through the chaos of deep space, and build your combo by flying dangerously close to planets. But don’t get too close… one slip and your ship takes damage, your display cracks, and your view of the galaxy begins to glitch! With audio-reactive visuals that pulse to the beat and effects shaped by your every move, Saturn Slalom rewards those who learn to master the flow. Your combo fuels the beat. Can you push it high enough to make the bass drop? Key Features: - Simple, intuitive controls | Tap left or right to steer your rocket - Risk-and-reward gameplay | Fly close to planets to build combos, but beware of collisions - Immersive effects | Cracked screens and chromatic glitches bring every mistake to life - Dynamic audio | Your gameplay helps shape the soundtrack and visuals react to the game's audio - Intense haptics | Feel the thrust of your ship, the beat of the music, and the explosion when you crash - Endless challenge | Master the game's many missions and chase the ultimate high score - Show off your stuff | Compete against friends using Game Center Challenges, and show off your skills with leaderboards and achievements

Screenshots

O4 screens
Saturn Slalom4 screens

Verdict

The call

The clearest difference is update cadence: Saturn Slalom at every 2 days against O's every 4 months. Saturn Slalom also leads on chart position (#115 vs unranked) and iOS requirement (13.0 vs 16.0). On price, rating, review sentiment and ratings volume 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. O sells 1 one-off in-app purchase and Saturn Slalom sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for O against 4.6 for Saturn Slalom. Both are backed by a comparable volume of ratings — 196 and 174 respectively. Written reviews are what separate them: 73% of O's written reviews are positive against 71% of Saturn Slalom's.

UpkeepUpdate frequency

O ships an update every 4 months, Saturn Slalom every 2 days. The most recent releases landed on November 7, 2026 and November 9, 2026 respectively.

Scorecard3 real differences · 8 level
O versus Saturn Slalom: the parameters behind the verdict, then further details
ParameterOSaturn Slalom
PriceFreeFree
Rating4.6 (196 ratings)4.6 (174 ratings) — better
Positive reviews72.9% of reviews — better70.8% of reviews
Number of ratings196 — better174
Update frequencyEvery 4 monthsEvery 2 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#115 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size52 MB150 MB
Age rating4+4+
DeveloperGearhead Games ApSNoodlecake

Customer experience

O

All ratings195 ratings
Positive90.8%
Neutral3.1%
Negative6.2%
Written reviews59 reviews
Positive72.9%
Neutral10.2%
Negative16.9%

Saturn Slalom

All ratings149 ratings
Positive91.3%
Neutral4.0%
Negative4.7%
Written reviews24 reviews
Positive70.8%
Neutral12.5%
Negative16.7%

Bugs and requests

O

Reported bugs

9 issues
  • Spinning makes users sick
  • Obstacles in later levels require luck/insane reaction time
  • Effect does not disappear properly in penultimate level
  • Game is glitchy, laggy, and unresponsive
  • Revive ad doesn't work/can't close ad
Show 4 more
  • Ads during gameplay cause freezes
  • Level 6 is impossible
  • Ads are annoying and unsolicited
  • Forced ads when choosing to restart

Requested features

6 requests
  • Add more levels
  • New dimension/different gameplay principle
  • User level creator
  • More beats/music synchronization
  • Option to turn down color brightness
Show 1 more
  • More publicity for leaderboards

Saturn Slalom

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

O

One-time1
  • No Ads$2.99
1 purchases

Saturn Slalom

One-time1
  • Remove Ads$2.99

Questions

Is O free?
O is free to download, with in-app purchases available.
Is Saturn Slalom free?
Saturn Slalom is free to download, with in-app purchases available.
Which has better reviews, O or Saturn Slalom?
Saturn Slalom is rated higher. O averages 4.6 out of 5 from 196 ratings, while Saturn Slalom averages 4.6 from 174 ratings.
Do O or Saturn Slalom have ads?
Both O and Saturn Slalom show ads.
Which is updated more often, O or Saturn Slalom?
O ships an update every 4 months, and Saturn Slalom every 2 days. Most recently, O was updated on November 7, 2026 and Saturn Slalom on November 9, 2026.

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