Comparison

The Marimo vs Garden Eel

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

Head to head
About

The Marimo

Care for a virtual green ball creature that grows over time. Keep its environment clean and provide light to ensure its survival. Customize its appearance and interact with it through various gestures.

Highlights
  • Virtual pet care
  • Growth simulation
  • Environment maintenance
  • Customization options
  • Interactive controls
  • Social sharing
Features
Read full description

Thank you 1,130,000 download!! [About Marimo] Marimo means a plant like a green ball which grow in Hokkaido, Japan. You can raise a Marimo. A marimo will grow up little by little every day. When water become dirty, you need to refresh water. If you don't take care of a Marimo long time, Marimo will wither. [Other Features] - You can rename Marimo, and change background. - Drag to move Marimo. - Double tap to pick tap Marimo. - Rotate marimo with two finger. - Marimo moves by the direction of the device. - You can upload image of Marimo on Twitter/Facebook. - Photosynthesis occurs in a bright place.

About

Garden Eel

A relaxing simulator where you nurture garden eels by managing their environment. Swipe to create currents, clean the seabed, and feed your eels to help them grow. Drive away unwanted sea creatures to ensure a thriving habitat.

Highlights
  • Swipe to create currents
  • Clean the seabed
  • Feed garden eels
  • Drive away sea creatures
  • 5 kinds of garden eels
  • Apple Watch support
  • iCloud data saving
Features
Read full description

Garden Eel is a garden eel simulator. Swipe and make current, then feed garden eels. Swipe sea bottom and make it clean. Then new garden eel will appear and they'll grow. There are 5 kinds of garden eels. When fishes and sea cucumbers appear, tap and drive them away. This game is inspired by the sea of Saipan, Okinawa, etc. This app supports Apple Watch(garden eel animation with feeding indicator). Animations of the Watch App will be added when the new garden eel appears in the iPhone App. This app saves play data to iCloud in every two minutes. Saved data can be downloaded by new install of app in another device. Or Garden Eel AR/VR for viewing in 3D!!

Screenshots

The Marimo3 screens
Garden Eel4 screens

Verdict

The call

The clearest difference is rating: Garden Eel at 5.0 against The Marimo's 4.4. Garden Eel also leads on device support (4 vs 2) and iOS requirement (12.0 vs 15.6). The Marimo's advantage is ratings volume (16 vs 2). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Garden Eel holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: The Marimo has 16 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
The Marimo versus Garden Eel: the parameters behind the verdict, then further details
ParameterThe MarimoGarden Eel
PriceFreeFree
Rating4.4 (16 ratings)5.0 (2 ratings) — better
Positive reviews79.6% of reviews—
Number of ratings16 — better2
Update frequencyEvery 3 monthsEvery 3 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supportedAd-supported
DevicesiPhone, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.612.0 — better
Further details — not scored
Size18 MB80 MB
Age rating4+4+
DeveloperKosuke OgawaKENSHI DOI

Customer experience

The Marimo

All ratings16 ratings
Positive87.5%
Neutral6.3%
Negative6.3%
Written reviews93 reviews
Positive79.6%
Neutral10.8%
Negative9.7%

Garden Eel

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

The Marimo

No in-app purchases

None

Garden Eel

No in-app purchases

Questions

Is The Marimo free?
The Marimo is free to download, with no in-app purchases.
Is Garden Eel free?
Garden Eel is free to download, with no in-app purchases.
Which has better reviews, The Marimo or Garden Eel?
Garden Eel is rated higher. The Marimo averages 4.4 out of 5 from 16 ratings, while Garden Eel averages 5.0 from 2 ratings.
Do The Marimo or Garden Eel have ads?
Both The Marimo and Garden Eel show ads.
Which is updated more often, The Marimo or Garden Eel?
The Marimo ships an update every 3 months, and Garden Eel every 3 months. Most recently, The Marimo was updated on October 12, 2026 and Garden Eel on October 7, 2026.

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