Comparison

Kernel King vs Marimo Clicker

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

Head to head
About

Kernel King

Tap to create an endless stream of popcorn in this addictive idle game. Invest in upgrades to pop faster, earn more, and unlock new poppers. Compete with friends and aim to become the ultimate Kernel King.

Highlights
  • Tap to make popcorn
  • Investments for faster popping
  • Upgrade popper and recipe
  • Offline kernel earnings
  • Unlockable poppers
  • Prestige system
  • Bonuses and multipliers
Features
Read full description

Tap to make popcorn! In this super simple yet insanely addicting game you'll be making more popcorn than you'll know what to do with. Tap to make popcorn in a meeting, during class, on the bus, waiting in line. Once you start popping you won't be able to stop. Your friends and family start to worry about when they haven't seen you in days. You are up to your eyes in popcorn. You begin to dream in popcorn. You only take breaks from popping popcorn to eat popcorn. There is only one goal. Become the Kernel King. Kernel King features: -Simple game mechanics - Tap to make popcorn -Investments to pop even faster - Once you start popping you'll be hard to stop -Upgrade your popper - Earn more kernels per second -Upgrade your recipe - Earn more kernels per click -Upgrade your status - Earn more kernels while you're not popping -Buy a bucket to collect popcorn while you're eating popcorn - Most have figured out how to eat and pop at the same time so you run the risk of falling behind with this tactic -Over 10 different poppers to unlock - Collect them all and show off to your friends -Game Center - Know exactly how close you are to being the king -Share on Facebook and Twitter - Let your friends know how far they are behind -Prestige and pop kernels even faster - It's harder to stay at the top than it is to get there -Bonuses and Multipliers - Earn bonuses and multipliers to start rolling in popcorn Everyone else has already started, but there is still hope. Download today for free and start your journey to the top. There can be only one Kernel King. Are you the one?

About

Marimo Clicker

Cultivate a virtual marimo moss ball in a relaxing idle clicker game. Tap to collect oxygen, upgrade your aquarium, and maintain water quality. Your marimo grows even when offline, offering a soothing experience with customizable environments and competitive rankings.

Highlights
  • Relaxing idle clicker gameplay
  • Offline marimo growth
  • Aquarium customization
  • Water quality management
  • Competitive rankings
  • Environment upgrades
Features
Read full description

Grow your own 3D Marimo in 'Marimo Clicker'—a relaxing idle clicker game! Tap your marimo to help it grow, or simply leave it alone and watch it thrive over time. Your marimo continues growing even while the app is closed, making it the perfect idle game to enjoy anytime, anywhere! - Relaxing Idle Clicker Gameplay A marimo lives in your aquarium. Tap it to collect oxygen bubbles, and it will continue producing oxygen automatically even when you're not playing. Use the oxygen you earn to upgrade your aquarium, improve growth speed, and create the perfect environment for your marimo. This is a relaxing clicker game where your marimo grows little by little—even offline! - Keep the Water Clean Water quality gradually decreases over time. If it reaches 0, your marimo will stop growing, so use Conditioner to restore water quality. Don't worry—your marimo won't die, even if the water gets dirty! - Customize Your Aquarium Decorate your aquarium however you like: Place a variety of decorations Change the lighting angle Use your own photos as the background Switch camera angles freely Create your own relaxing aquarium space! - Compete With Other Players Join the Marimo Rankings and compete to grow the biggest marimo. Can you become the ultimate Marimo Master? - Upgrade Your Environment Spend oxygen to improve your setup: Aquarium – Expand the tank and place more decorations Gloves – Gain more oxygen from tapping Gravel – Increase growth speed Light – Boost passive oxygen production Purifier – Automatically restore water quality Useful Items Conditioner – Restores water quality Supplement – Boosts growth speed and oxygen output Pro Tips Your marimo keeps growing even while offline Tapping boosts both oxygen gain and growth speed Owned decorations increase tap rewards even in storage Large bonus bubbles may appear when water quality is high A soothing aquarium idle clicker for marimo lovers. Start growing your marimo today!

Screenshots

Kernel King4 screens
Marimo Clicker4 screens

Verdict

The call

The clearest difference is rating: Marimo Clicker at 5.0 against Kernel King's 4.4. Marimo Clicker also leads on in-app purchases (none vs 10). Kernel King's advantage is ads (none vs shown) and ratings volume (41 vs 1). 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. Kernel King sells 10 one-off in-app purchases. Marimo Clicker asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Marimo Clicker holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Kernel King has 41 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Kernel King ships an update every 6 days, Marimo Clicker every 5 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

Scorecard6 real differences · 4 level
Kernel King versus Marimo Clicker: the parameters behind the verdict, then further details
ParameterKernel KingMarimo Clicker
PriceFreeFree
Rating4.4 (41 ratings)5.0 (1 ratings) — better
Positive reviews89.4% of reviews—
Number of ratings41 — better1
Update frequencyEvery 6 daysEvery 5 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size46 MB235 MB
Age rating4+4+
DeveloperBlake EckertMasaki Kanno

Customer experience

Kernel King

All ratings41 ratings
Positive82.9%
Neutral9.8%
Negative7.3%
Written reviews113 reviews
Positive89.4%
Neutral6.2%
Negative4.4%

Marimo Clicker

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Kernel King

Reported bugs

4 issues
  • Game crashes and forces user to home screen
  • Data loss when game crashes
  • Game won't start without reviewing or advertising
  • Glitches causing loss of progress

Requested features

4 requests
  • Timer mode to track kernels earned
  • Upgrade levels with multipliers for easier progression
  • Better tutorial or onboarding instructions
  • More diverse upgrades and features

Marimo Clicker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

Kernel King

One-time10
  • Double Kernels Per Second$0.99
  • Double Kernels$0.99
  • Remove Ads$0.99
Show 7 more
  • Kernel Blast$1.99
  • Shaker of Salt$1.99
  • Treadmill$1.99
  • King Kernel$4.99
  • Salt Mine$9.99
  • Kernel Bomb$19.99
  • Forever 20x$49.99
None

Marimo Clicker

No in-app purchases

Questions

Is Kernel King free?
Kernel King is free to download, with in-app purchases available.
Is Marimo Clicker free?
Marimo Clicker is free to download, with no in-app purchases.
Which has better reviews, Kernel King or Marimo Clicker?
Marimo Clicker is rated higher. Kernel King averages 4.4 out of 5 from 41 ratings, while Marimo Clicker averages 5.0 from 1 ratings.
Do Kernel King or Marimo Clicker have ads?
Marimo Clicker shows ads; Kernel King does not.
Which is updated more often, Kernel King or Marimo Clicker?
Kernel King ships an update every 6 days, and Marimo Clicker every 5 days. Most recently, Kernel King was updated on October 8, 2026 and Marimo Clicker on October 1, 2026.

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