# AI Quiz vs Machine Learning Engineer Prep

The clearest difference is ads: Machine Learning Engineer Prep at none against AI Quiz's shown. Machine Learning Engineer Prep also leads on update cadence (every 10 days vs every 7 months). AI Quiz's advantage is iOS requirement (12.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. AI Quiz sells 1 one-off in-app purchase and Machine Learning Engineer Prep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI Quiz ships an update every 7 months, Machine Learning Engineer Prep every 10 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | AI Quiz | Machine Learning Engineer Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 10 days** |
| Size | 314 MB | 98 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Perfect Consulting B.V.](https://appshunter.io/developer/1562668783) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### AI Quiz

[App page](https://appshunter.io/ios/app/ai-quiz/id6447694378)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | one-time |


### Machine Learning Engineer Prep

[App page](https://appshunter.io/ios/app/machine-learning-engineer-prep/id6785744238)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is AI Quiz free?

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

### Is Machine Learning Engineer Prep free?

Machine Learning Engineer Prep is free to download, with in-app purchases available.

### Do AI Quiz or Machine Learning Engineer Prep have ads?

AI Quiz shows ads; Machine Learning Engineer Prep does not.

### Which is updated more often, AI Quiz or Machine Learning Engineer Prep?

AI Quiz ships an update every 7 months, and Machine Learning Engineer Prep every 10 days. Most recently, AI Quiz was updated on October 25, 2026 and Machine Learning Engineer Prep on October 25, 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.*