# Turtle Universe vs Visual TCPIP Trainer

The clearest difference is price: Turtle Universe at Free against Visual TCPIP Trainer's $0.49. Turtle Universe also leads on update cadence (every 6 weeks vs every 8 months) and iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Turtle Universe is free to download; Visual TCPIP Trainer costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Turtle Universe ships an update every 6 weeks, Visual TCPIP Trainer every 8 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Turtle Universe | Visual TCPIP Trainer |
| --- | --- | --- |
| Price | **Free** | $0.49 |
| Rating | **[4.6 (52 ratings)](https://appshunter.io/ios/app/turtle-universe/id1455235317/reviews)** | — |
| Number of ratings | **52** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | Free | — |
| Size | 120 MB | 24 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Turtle Sim LLC](https://appshunter.io/developer/1568741108) | [MASAHIRO HIRAIWA](https://appshunter.io/developer/1814993082) |

## 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


### Visual TCPIP Trainer

[App page](https://appshunter.io/ios/app/visual-tcpip-trainer/id6752111554)

**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 Visual TCPIP Trainer free?

Visual TCPIP Trainer costs $0.49, with no in-app purchases.

### Do Turtle Universe or Visual TCPIP Trainer have ads?

Neither Turtle Universe nor Visual TCPIP Trainer shows ads.

### Which is updated more often, Turtle Universe or Visual TCPIP Trainer?

Turtle Universe ships an update every 6 weeks, and Visual TCPIP Trainer every 8 months. Most recently, Turtle Universe was updated on October 24, 2026 and Visual TCPIP Trainer on October 24, 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.*