Comparison

Space Clutter vs Ocean Keeper

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

Head to head
About

Space Clutter

Navigate a bullet-hell arcade classic, blasting enemies and collecting power-ups to achieve the highest score. Save your progress and resume sessions later. Features original music and sound effects.

Highlights
  • Bullet hell gameplay
  • Power-up collection
  • High score chasing
  • Session saving
  • Double-tap to pause
  • Original music and sound effects
Read full description

Space Clutter, the arcade classic from 2012 was released for one cabinet only, and has since then been on a number of exhibitions. It is now available for iOS! Everyone in space hates you, and you will make sure they'll pay. Make your way through the bullet hell, pick up power-ups, and aim for the highest score. If you need a break, just double tap to pause the game. Also, sessions are saved so you can return later to continue. Music by salkinitzor, effects by salkinitzor and boomlinde.

About

Ocean Keeper

Explore procedurally generated underwater caves as a crashed miner in this roguelike shooter. Dig for resources, battle hordes of sea monsters, and upgrade your mech and weapons to survive. Each playthrough offers a unique challenge with changing layouts and diverse bosses.

Highlights
  • Procedurally generated caves
  • Mech customization
  • Horde battles with monsters and bosses
  • Meta-progression system
  • Artifact system
  • Multiple weapon choices
  • Diverse biomes
Features
Read full description

A roguelike shooter with a top-down view where you play as a Miner whose spaceship has crashed on a planet, filled with underwater monsters! Use the time between each attack to power up your diver, mech, or weapon. Build automatic turrets, use drones to gather resources and improve your skills to increase your chances of survival. Discover mysterious locations and fantastic undersea deep biomes. EACH time you explore the underwater worlds, the layout changes, making every journey unique. You never play the same scenario twice in this drill dungeon core roguelite. Ocean Keeper: Dome Survival Features: * Procedurally generated caves: each dungeon you enter is unique. * Mech customization: Upgrade and personalize your Submarine Mech. * Underwater casual game with roguelite and roguelike elements. * Horde Battles: Fight waves of sea monsters and bosses. * Meta-progression: Constant upgrades and new abilities for your survivor. * Artifact System: Unlock and equip powerful artifacts. * Multiple Weapons: Choose from a huge arsenal of weapons. * Diverse Bosses: Slay unique and challenging alien bosses. * Multiple biomes: Explore different underwater dungeons. - How to Play Ocean Keeper: Dome Survival: Play with two hands and swipe your finger across the screen to move the diver in any direction, or use the virtual joystick. Find a mine (a deep hollow lighted in blue), dive into it and start digging to find resources. Since you don't have a backpack, you need to drag the resources yourself up to the mech. Get out of the mine as soon as you hear the sound of an attack or see the timer expire. Attack aliens by aiming at them and firing bullets. Collect various resources to unlock powerful upgrades: improve your weapons, increase the impact of your drill, boost your jetpack's max speed, and many other upgrade paths - each of which gives you and your dome the best chance of survival until dawn! - Join The Fans of Ocean Keeper: Dome Survival: Join our community and become an part of Ocean Keeper: Dome Survival development! In our Discord, you can chat directly with our developers, share your valuable feedback, and have a real impact on the final version of Ocean Keeper: Dome Survival roguelike game.

Screenshots

Space Clutter2 screens
Ocean Keeper4 screens

Verdict

The call

The clearest difference is review sentiment: Space Clutter at 100% against Ocean Keeper's 48%. Space Clutter also leads on rating (4.9 vs 4.4) and in-app purchases (none vs 4). Ocean Keeper's advantage is price (Free vs $0.99) and update cadence (every 4 days vs every 49 months). On device support and iOS requirement 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

Ocean Keeper is free to download; Space Clutter costs $0.99 up front. Ocean Keeper sells 4 one-off in-app purchases. Space Clutter asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Space Clutter holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Ocean Keeper has 288 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 100% of Space Clutter's written reviews are positive against 48% of Ocean Keeper's.

UpkeepUpdate frequency

Space Clutter ships an update every 49 months, Ocean Keeper every 4 days. The most recent releases landed on July 4, 2026 and September 26, 2026 respectively.

Scorecard8 real differences · 2 level
Space Clutter versus Ocean Keeper: the parameters behind the verdict, then further details
ParameterSpace ClutterOcean Keeper
Price$0.99Free — better
Rating4.9 (10 ratings) — better4.4 (288 ratings)
Positive reviews100.0% of reviews — better48.0% of reviews
Number of ratings10288 — better
Update frequencyEvery 49 monthsEvery 4 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.012.0
Further details — not scored
Size16 MB272 MB
Age rating9+9+
DeveloperHarry LundströmRetroStyle Games

Customer experience

Space Clutter

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Ocean Keeper

All ratings288 ratings
Positive83.3%
Neutral4.5%
Negative12.2%
Written reviews198 reviews
Positive48.0%
Neutral10.1%
Negative41.9%

Bugs and requests

Space Clutter

Not enough reviews yet to summarise bugs or requests.

Ocean Keeper

Reported bugs

3 issues
  • Game not loading after purchase
  • Upgrade options not functioning as expected
  • Progress not saving across sessions

Requested features

4 requests
  • More items and upgrades to prolong engagement
  • Ability to restore purchases and continue progress
  • Improved UI scaling and readability on mobile
  • Expanded gameplay modes and story elements

In-app purchases

None

Space Clutter

No in-app purchases

4 purchases

Ocean Keeper

One-time4
  • Full Game Unlock$2.99
  • Heap of meta currency$2.99
  • Chest of meta currency$4.99
Show 1 more
  • Crate of meta currency$9.99

Questions

Is Space Clutter free?
Space Clutter costs $0.99, with no in-app purchases.
Is Ocean Keeper free?
Ocean Keeper is free to download, with in-app purchases available.
Which has better reviews, Space Clutter or Ocean Keeper?
Space Clutter is rated higher. Space Clutter averages 4.9 out of 5 from 10 ratings, while Ocean Keeper averages 4.4 from 288 ratings.
Do Space Clutter or Ocean Keeper have ads?
Ocean Keeper shows ads; Space Clutter does not.
Which is updated more often, Space Clutter or Ocean Keeper?
Space Clutter ships an update every 49 months, and Ocean Keeper every 4 days. Most recently, Space Clutter was updated on July 4, 2026 and Ocean Keeper on September 26, 2026.

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