Comparison

OCO 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

OCO

Engage in a captivating one-touch puzzle-platformer with over 7000 levels. Master simple controls to navigate challenging environments, create your own levels, and enjoy a unique audio-visual experience. Compete in daily challenges and strive for perfect solutions.

Highlights
  • Simple one-touch controls
  • Over 7000 challenging puzzles
  • Level editor and sharing system
  • Daily challenges
  • Minimalist design
  • Procedurally-generated soundtrack
Features
Currently charting
Read full description

“OCO is an exceptionally clever one-touch puzzle-platformer” 8/10 Pocket Gamer “Gloriously addictive and intelligent puzzles” 8/10 Touch Arcade Immerse yourself in the beautiful audio-visual world of OCO Use simple one-touch controls to launch, rush, crash, glide, warp, and hang as you solve over 7000 fast-paced platforming puzzles FEATURES • Simple one-touch controls • Complex challenging puzzles • Precision platforming • 7000 hand-selected player-created levels • Create and share levels using OCO jpg levels system • Beautiful minimal design • Procedurally-generated soundtrack for every level • Built-in editor • Daily challenges • 'Discord' community • ‘Perfect solution’ challenges for all levels • 46 achievements AWARDS • Finalist 'Pocket Gamer People’s Choice Award', 2020 • Runner-up ‘Big Indie Pitch’, Develop, Brighton, 2018 • Finalist ‘Very Big Indie Pitch’ Pocket Gamer Connects, London, 2017

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

OCO4 screens
Saturn Slalom4 screens

Verdict

The call

The clearest difference is update cadence: Saturn Slalom at every 2 days against OCO's every 5 weeks. Saturn Slalom also leads on iOS requirement (13.0 vs 15.0). OCO's advantage is ratings volume (2.4K vs 169). On price, rating, review sentiment and ads 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. OCO sells 8 one-off in-app purchases 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 OCO against 4.6 for Saturn Slalom. That said, the two scores are not equally well evidenced: OCO has 2.4K ratings behind it against 169, so its average is the more settled of the two. Written reviews are what separate them: 73% of OCO's written reviews are positive against 71% of Saturn Slalom's.

UpkeepUpdate frequency

OCO ships an update every 5 weeks, Saturn Slalom every 2 days. Both last shipped on October 26, 2026.

Scorecard3 real differences · 8 level
OCO versus Saturn Slalom: the parameters behind the verdict, then further details
ParameterOCOSaturn Slalom
PriceFreeFree
Rating4.6 (2.4K ratings) — better4.6 (169 ratings)
Positive reviews73.0% of reviews — better70.8% of reviews
Number of ratings2.4K — better169
Update frequencyEvery 5 weeksEvery 2 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#203#111 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size113 MB150 MB
Age rating4+4+
DeveloperSPECTRUM48 LIMITEDNoodlecake

Customer experience

OCO

All ratings2,367 ratings
Positive92.5%
Neutral3.6%
Negative3.9%
Written reviews196 reviews
Positive73.0%
Neutral9.2%
Negative17.9%

Saturn Slalom

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

Bugs and requests

OCO

Reported bugs

4 issues
  • Game crashes on startup after updates
  • Slow mode issue prevents level uploads
  • Levels sometimes can't be opened
  • Losing progress/data after updates

Requested features

5 requests
  • Add different beat/music options
  • Allow liking levels without completing them
  • Improve level saving/loading
  • Add more block types (traps, flippers, etc.)
  • Bring back online features

Saturn Slalom

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

OCO

One-time8
  • NO ADSFree
  • x 2000 bits$0.99
  • x 5000 bits$0.99
Show 5 more
  • Remove ads$1.99
  • x 8000 bits$2.99
  • OCO pro$2.99
  • x 30000 bits$4.99
  • x 100000 bits$9.99
1 purchases

Saturn Slalom

One-time1
  • Remove Ads$2.99

Questions

Is OCO free?
OCO 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, OCO or Saturn Slalom?
OCO is rated higher. OCO averages 4.6 out of 5 from 2.4K ratings, while Saturn Slalom averages 4.6 from 169 ratings.
Do OCO or Saturn Slalom have ads?
Both OCO and Saturn Slalom show ads.
Which is updated more often, OCO or Saturn Slalom?
OCO ships an update every 5 weeks, and Saturn Slalom every 2 days. Most recently, OCO was updated on October 26, 2026 and Saturn Slalom on October 26, 2026.
Which is more popular, OCO or Saturn Slalom?
OCO currently peaks at #203 in the App Store charts, and Saturn Slalom at #111. Chart position reflects recent download velocity rather than total install base.

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