# 爱佳题库 vs Oz Pixel

The clearest difference is in-app purchases: Oz Pixel at none against 爱佳题库's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 爱佳题库 sells 3 one-off in-app purchases. Oz Pixel asks for nothing beyond the download.

## The numbers

| Metric | 爱佳题库 | Oz Pixel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 74 MB | 9 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [li xiaofeng](https://appshunter.io/developer/1493890684) | [Erhan Inc.](https://appshunter.io/developer/1524932510) |

## What reviewers say

### 爱佳题库

[App page](https://appshunter.io/ios/app/id6458879592)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一个月会员 | $0.99 | one-time |
| 3个月会员 | $2.99 | one-time |
| 6个月会员 | $3.99 | one-time |


### Oz Pixel

[App page](https://appshunter.io/ios/app/oz-pixel/id6469472404)

**In-app purchases:** none


## Frequently asked questions

### Is 爱佳题库 free?

爱佳题库 is free to download, with in-app purchases available.

### Is Oz Pixel free?

Oz Pixel is free to download, with no in-app purchases.

### Do 爱佳题库 or Oz Pixel have ads?

Neither 爱佳题库 nor Oz Pixel 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.*