# marimo vs 深淵の旅人

The clearest difference is review sentiment: marimo at 98% against 深淵の旅人's 38%. marimo also leads on iOS requirement (9.0 vs 16.4). 深淵の旅人's advantage is update cadence (daily vs every 4 months). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

marimo ships an update every 4 months, 深淵の旅人 daily. Both last shipped on October 14, 2026.

## The numbers

| Metric | marimo | 深淵の旅人 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **98.0% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Daily** |
| Monetization | Free | — |
| Size | 31 MB | 42 MB |
| Requires iOS | **9.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HANA-DA Hiromitsu](https://appshunter.io/developer/392896308) | [DAIKI KAWAGUCHI](https://appshunter.io/developer/6775721980) |

## What reviewers say

### marimo

[App page](https://appshunter.io/ios/app/marimo/id392896305)

A virtual pet simulation where you nurture a Marimo, a unique aquatic plant from Hokkaido. The core gameplay involves changing its water to help it grow. You can then share your Marimo's progress with friends.

**Highlights:** Virtual Marimo pet, Water changing gameplay, Marimo growth simulation, Share progress on Twitter, Hokkaido souvenir theme

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 深淵の旅人

[App page](https://appshunter.io/ios/app/id6794256320)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is marimo free?

marimo is free to download, with no in-app purchases.

### Is 深淵の旅人 free?

深淵の旅人 is free to download, with no in-app purchases.

### Do marimo or 深淵の旅人 have ads?

Neither marimo nor 深淵の旅人 shows ads.

### Which is updated more often, marimo or 深淵の旅人?

marimo ships an update every 4 months, and 深淵の旅人 daily. Most recently, marimo was updated on October 14, 2026 and 深淵の旅人 on October 14, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*