# The Marimo vs Stretchy Natto

The clearest difference is rating: The Marimo at 4.4 against Stretchy Natto's 2.9. The Marimo also leads on update cadence (every 3 months vs every 9 months). Stretchy Natto's advantage is iOS requirement (11.0 vs 15.6). On price, review sentiment, ratings volume and ads there is nothing between them.

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

The Marimo holds the better App Store score, 4.4 against 2.9. Both are backed by a comparable volume of ratings — 16 and 9 respectively. Written reviews split almost evenly too, at 79% and 78% positive.

The Marimo ships an update every 3 months, Stretchy Natto every 9 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | The Marimo | Stretchy Natto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (16 ratings)](https://appshunter.io/ios/app/the-marimo/id398361669/reviews)** | [2.9 (9 ratings)](https://appshunter.io/ios/app/stretchy-natto/id564091775/reviews) |
| Number of ratings | **16** | 9 |
| Positive reviews | **78.9% of reviews** | 78.2% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 18 MB | 36 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kosuke Ogawa](https://appshunter.io/developer/379825481) | [takuya ori](https://appshunter.io/developer/449472183) |

## What reviewers say

### The Marimo

[App page](https://appshunter.io/ios/app/the-marimo/id398361669)

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:** Vision Pro support

**In-app purchases:** none


### Stretchy Natto

[App page](https://appshunter.io/ios/app/stretchy-natto/id564091775)

Experience the unique texture of fermented soybeans by stirring and stretching them as far as possible. This simple yet engaging game challenges your dexterity and offers a fun, quirky way to pass the time. Enjoy a satisfyingly stretchy sensation with easy-to-learn controls.

**Highlights:** Stir nattō for 5 seconds, Stretch nattō upwards, Simple, easy-to-learn gameplay, Satisfying stretchy sensation, Challenging dexterity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Marimo free?

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

### Is Stretchy Natto free?

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

### Which has better reviews, The Marimo or Stretchy Natto?

The Marimo is rated higher. The Marimo averages 4.4 out of 5 from 16 ratings, while Stretchy Natto averages 2.9 from 9 ratings.

### Do The Marimo or Stretchy Natto have ads?

Both The Marimo and Stretchy Natto show ads.

### Which is updated more often, The Marimo or Stretchy Natto?

The Marimo ships an update every 3 months, and Stretchy Natto every 9 months. Most recently, The Marimo was updated on October 29, 2026 and Stretchy Natto on October 29, 2026.

---

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