The Marimo is made and published by Kosuke Ogawa. AppBrain is an independent app data site and isn't affiliated with Kosuke Ogawa. The app name, icon, screenshots and description belong to Kosuke Ogawa and are shown as published on the App Store.
AppBrain's verdict
Established- Rating on App Store
- 4.38
- 16 ratings
- Last updated
- September 10, 2026
- Size
- 18.3 MB
It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on the App StoreComments on The Marimo for iOS
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Store listing
By Kosuke Ogawa, from the App Store
Description by Kosuke Ogawa Written by the developer, not by AppBrain. Click to read.
[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.
Safety and technology
Found in the app by AppBrain- Price
- Free
- App size
- 18.3 MB
- Content rating
- Everyone
Technologies used by The Marimo
Releases
Updates seen on the App Store- Version
- 4.1.0
- Launched
- October 2010
No changelog data
Alternatives
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Rankings
App Store top chartsApp Store Rankings for The Marimo
About the app and developer
About The Marimo
The Marimo is a games app developed by Kosuke Ogawa.
User Ratings
The Marimo is rated 4.38 out of 5 stars. The rating is based on 16 ratings.
App Information
The Marimo is freely available from the App Store. The app size is 18.29 MB. The latest version available is 4.1.0. The last update was on September 10, 2026.
Technical Requirements
The app has a content rating of Everyone. The app has been available on the App Store since October 2010.
Developer information for Kosuke Ogawa
Address:
Frequently asked questions about The Marimo
Is The Marimo free?
Yes. The Marimo is free on the App Store.
Is The Marimo still available?
Yes. The Marimo is on the App Store, and the last update we saw was on September 10, 2026.
How large is The Marimo?
The Marimo is 18.29 MB.
Is The Marimo suitable for children?
App Store rates the content of The Marimo as suitable for everyone.
How do people rate The Marimo?
The Marimo scores 4.38 out of 5 stars, from 16 ratings on the App Store.
Who made The Marimo?
The Marimo was developed by Kosuke Ogawa. It is listed in the games category on the App Store.
What are the best alternatives to The Marimo?
People looking at The Marimo also look at these games apps: Penguin Aquarium, Garden Eel Pet, Jellyfish Aquarium - Pet Game, メダカ育成げーむ, Leopard Gecko Pet.