# Turtle Universe vs AE Note

The clearest difference is in-app purchases: Turtle Universe at none against AE Note's 4. Turtle Universe also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price, update cadence and ads there is nothing between them.

Both are free to download. AE Note sells 4 in-app purchases, starting at $4.99 per month. Turtle Universe asks for nothing beyond the download.

Turtle Universe ships an update every 6 weeks, AE Note monthly. The most recent releases landed on July 29, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Turtle Universe | AE Note |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 120 MB | 59 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Turtle Sim LLC](https://appshunter.io/developer/1568741108) | [AEDISON TECHNOLOGY PTE. LTD.](https://appshunter.io/developer/1736293832) |

## 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


### AE Note

[App page](https://appshunter.io/ios/app/ae-note/id6479555921)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly Plan | $4.99 | per month |
| Premium Monthly Plan | $19.99 | per month |
| Basic Yearly Plan | $56.99 | per year |
| Premium Yearly Plan | $99.99 | per year |


## Frequently asked questions

### Is Turtle Universe free?

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

### Is AE Note free?

AE Note is free to download, with in-app purchases available.

### Do Turtle Universe or AE Note have ads?

Neither Turtle Universe nor AE Note shows ads.

### Which is updated more often, Turtle Universe or AE Note?

Turtle Universe ships an update every 6 weeks, and AE Note monthly. Most recently, Turtle Universe was updated on July 29, 2026 and AE Note on September 20, 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.*