# WorldAnimal Study vs Alexis Learning World

The clearest difference is in-app purchases: Alexis Learning World at none against WorldAnimal Study's 1. Alexis Learning World also leads on update cadence (every 2 months vs every 44 months). WorldAnimal Study's advantage is iOS requirement (8.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. WorldAnimal Study sells 1 one-off in-app purchase. Alexis Learning World asks for nothing beyond the download.

WorldAnimal Study ships an update every 44 months, Alexis Learning World every 2 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | WorldAnimal Study | Alexis Learning World |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 44 months | **Every 2 months** |
| Size | 197 MB | 38 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SOFTHEAVEN](https://appshunter.io/developer/588713602) | [Eric Sammer](https://appshunter.io/developer/1850354112) |

## What reviewers say

### WorldAnimal Study

[App page](https://appshunter.io/ios/app/worldanimal-study/id1220735345)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $1.99 | one-time |


### Alexis Learning World

[App page](https://appshunter.io/ios/app/alexis-learning-world/id6757318895)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WorldAnimal Study free?

WorldAnimal Study is free to download, with in-app purchases available.

### Is Alexis Learning World free?

Alexis Learning World is free to download, with no in-app purchases.

### Do WorldAnimal Study or Alexis Learning World have ads?

Neither WorldAnimal Study nor Alexis Learning World shows ads.

### Which is updated more often, WorldAnimal Study or Alexis Learning World?

WorldAnimal Study ships an update every 44 months, and Alexis Learning World every 2 months. Most recently, WorldAnimal Study was updated on October 26, 2026 and Alexis Learning World on October 28, 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.*