Comparison

Platform Defense vs Krill Keeper

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

Head to head
About

Platform Defense

Defend against waves of monsters by strategically placing traps and utilizing special heroes. Survive 100 levels of elemental challenges.

Highlights
  • Unlockable special heroes
  • Variety of traps to deploy
  • Unique elemental monsters
  • 100 waves of defense
  • Strategic trap placement
Features
Read full description

Can you be the hero? Monsters are kidnapping people! You are the only one left. Defend yourself against monsters. And survive through 100 waves! - Special heros to unlock - Source pans to shoot - Unique traps to place - All different elemental monsters to DEFEAT! Trap Description - Spike: Gives damage to enemies that step on. - Freezer: Freezes enemies that are in front of it when it opens .(Ice element) - Wall: Stops enemies for a while. - Wall Spike: Attacks slowly but gives heavy damage. - Flask: 1 time use bomb. - Gas Burner: Gives fire damage to enemies that step on.(Fire element) - Spike Drop: Spike drops are falling on enemies' head. - Bomb: Blows after a second when a enemy touches it. - Ice ball: Fires an ice ball. (Ice element) - Boulder: Press enemies so that they can move for a while. - Fire: Upgrade version of Gas Burner(Fire elemenet) - Big Hand: Push enemies to a lower level. Element description - Fire: Gives 2x damages when enemies start to burn. Gives damages gradually until the fire is extinguished. - Ice: Freezes enemies and extinguishes fire.

About

Krill Keeper

A relaxing simulation game where you nurture a deep-sea krill colony. Feed and clean your krill, hatch eggs to expand your colony, and discover 20 unique variants. Enjoy peaceful gameplay with realistic flocking physics and beautiful dark visuals.

Highlights
  • Realistic krill swarm simulation
  • Feed and clean krill
  • Hatch new krill companions
  • Collect 20 krill variants
  • Discover rare variants
  • Deep-sea dark palette visuals
Features
Read full description

Krill Keeper is a relaxing simulation game where you care for krill in a deep-sea tank. Feed your krill, keep the tank clean, and hatch eggs to welcome new companions. Watch them swim together in realistic flocking patterns powered by boid physics, and collect 20 unique krill variants. Key Features: - Realistic krill swarm simulation with boid flocking physics - Feed and clean to keep your krill happy and healthy - Hatch eggs to recruit new krill companions - Collect 20 krill variants with 1 to 4 star rarity - Discover rare variants through milestones and random drops - Beautiful deep-sea dark palette visuals Take a break and find peace with the tiny creatures of the deep sea.

Screenshots

Platform Defense4 screens
Krill Keeper3 screens

Verdict

The call

The clearest difference is in-app purchases: Krill Keeper at none against Platform Defense's 11. Krill Keeper also leads on rating (5.0 vs 4.6). Platform Defense's advantage is ads (none vs shown) and ratings volume (29 vs 7). On price, update cadence 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. Platform Defense sells 11 one-off in-app purchases. Krill Keeper asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Krill Keeper holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 29 and 7 respectively.

UpkeepUpdate frequency

Platform Defense ships an update every 2 weeks, Krill Keeper every 9 days. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
Platform Defense versus Krill Keeper: the parameters behind the verdict, then further details
ParameterPlatform DefenseKrill Keeper
PriceFreeFree
Rating4.6 (29 ratings)5.0 (7 ratings) — better
Positive reviews80.5% of reviews—
Number of ratings29 — better7
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS6.0 — better16.0
Further details — not scored
Size44 MB68 MB
Age rating9+4+
DeveloperParkPillNante Studio

Customer experience

Platform Defense

All ratings29 ratings
Positive96.6%
Neutral0.0%
Negative3.4%
Written reviews41 reviews
Positive80.5%
Neutral7.3%
Negative12.2%

Krill Keeper

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

11 purchases

Platform Defense

One-time11
  • Small Coin$0.99
  • Bree$0.99
  • Tom$0.99
Show 8 more
  • Remove Ads/Double Coin$0.99
  • Middle Coin$1.99
  • Andrew$1.99
  • Blue Stars$1.99
  • Big Coin$4.99
  • Unlock All Heroes$4.99
  • Unlock All Friends$5.99
  • Huge Coin$9.99
None

Krill Keeper

No in-app purchases

Questions

Is Platform Defense free?
Platform Defense is free to download, with in-app purchases available.
Is Krill Keeper free?
Krill Keeper is free to download, with no in-app purchases.
Which has better reviews, Platform Defense or Krill Keeper?
Krill Keeper is rated higher. Platform Defense averages 4.6 out of 5 from 29 ratings, while Krill Keeper averages 5.0 from 7 ratings.
Do Platform Defense or Krill Keeper have ads?
Krill Keeper shows ads; Platform Defense does not.
Which is updated more often, Platform Defense or Krill Keeper?
Platform Defense ships an update every 2 weeks, and Krill Keeper every 9 days. Most recently, Platform Defense was updated on October 20, 2026 and Krill Keeper on October 7, 2026.

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