# Turtle Universe vs YY音乐格式转换器

The clearest difference is iOS requirement: Turtle Universe at 13.0 against YY音乐格式转换器's 16.0. 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.

## The numbers

| Metric | Turtle Universe | YY音乐格式转换器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (45 ratings)](https://appshunter.io/ios/app/turtle-universe/id1455235317/reviews)** | — |
| Number of ratings | **45** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 120 MB | 29 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Turtle Sim LLC](https://appshunter.io/developer/1568741108) | [华强 李](https://appshunter.io/developer/6782642712) |

## What reviewers say

### Turtle Universe

[App page](https://appshunter.io/ios/app/turtle-universe/id1455235317)

Explore and learn about scientific phenomena through interactive microworlds. Create your own simulations using text or blocks, and engage with a global community of young learners. Discover over 100 scientific models and create computational art and games.

**Highlights:** Explore 100+ scientific models, Create custom microworlds, Code with text or blocks, Investigate phenomena, Engage in global discussions, Create computational art and games

**Features:** macOS Compatibility

**In-app purchases:** none


### YY音乐格式转换器

[App page](https://appshunter.io/ios/app/yy/id6792313486)

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

**In-app purchases:** none


## Frequently asked questions

### Is Turtle Universe free?

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

### Is YY音乐格式转换器 free?

YY音乐格式转换器 is free to download, with no in-app purchases.

### Do Turtle Universe or YY音乐格式转换器 have ads?

Neither Turtle Universe nor YY音乐格式转换器 shows ads.

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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.*