# CSS Quiz vs Async Learn

The clearest difference is in-app purchases: Async Learn at none against CSS Quiz's 3. Async Learn also leads on update cadence (daily vs fortnightly) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. CSS Quiz sells 3 in-app purchases, starting at $0.99 per 7 days. Async Learn asks for nothing beyond the download.

CSS Quiz ships an update fortnightly, Async Learn daily. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CSS Quiz | Async Learn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Daily** |
| Size | 78 MB | 37 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Creatopia Inc.](https://appshunter.io/developer/1523447963) | [Francisco Javier Castillo Hernandez](https://appshunter.io/developer/1877806254) |

## What reviewers say

### CSS Quiz

[App page](https://appshunter.io/ios/app/css-quiz-learn-with-ai/id6739124578)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $0.99 | per 7 days |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $24.99 | per year |


### Async Learn

[App page](https://appshunter.io/ios/app/async-learn/id6759273084)

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

**In-app purchases:** none


## Frequently asked questions

### Is CSS Quiz free?

CSS Quiz is free to download, with in-app purchases available.

### Is Async Learn free?

Async Learn is free to download, with no in-app purchases.

### Do CSS Quiz or Async Learn have ads?

Both CSS Quiz and Async Learn show ads.

### Which is updated more often, CSS Quiz or Async Learn?

CSS Quiz ships an update fortnightly, and Async Learn daily. Most recently, CSS Quiz was updated on October 11, 2026 and Async Learn on October 6, 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.*