# AP Computer Science Quiz vs Manufacturing Engineer Prep

The clearest difference is price: Manufacturing Engineer Prep at Free against AP Computer Science Quiz's $1.99. Manufacturing Engineer Prep also leads on update cadence (every 7 months vs every 42 months). AP Computer Science Quiz's advantage is in-app purchases (none vs 9) and iOS requirement (11.0 vs 15.1). On ads and device support there is nothing between them.

Manufacturing Engineer Prep is free to download; AP Computer Science Quiz costs $1.99 up front. Manufacturing Engineer Prep sells 9 in-app purchases, starting at $8.99 per 7 days. AP Computer Science Quiz asks for nothing beyond the download.

AP Computer Science Quiz ships an update every 42 months, Manufacturing Engineer Prep every 7 months. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | AP Computer Science Quiz | Manufacturing Engineer Prep |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 7 months** |
| Size | 11 MB | 51 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nurten PIRLI](https://appshunter.io/developer/1495958705) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### AP Computer Science Quiz

[App page](https://appshunter.io/ios/app/ap-computer-science-quiz/id1666488425)

**Features:** macOS Compatibility

**In-app purchases:** none


### Manufacturing Engineer Prep

[App page](https://appshunter.io/ios/app/manufacturing-engineer-prep/id6744238978)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CMfgE Weekly Full Access | $8.99 | per 7 days |
| CMfgE Monthly Full Access | $24.99 | per month |
| CMfgE Monthly Full Access | $34.99 | per month |
| CMfgE Quarterly Full Access | $55.99 | per 3 months |
| CMfgE Quarterly Full Access | $59.99 | per 3 months |
| CMfgE Semiannual Full Access | $75.99 | per 6 months |
| CMfgE Semiannual Full Access | $79.99 | per 6 months |
| CMfgE Annual Full Access | $109.99 | per year |
| CMfgE Annual Full Access | $119.99 | per year |


## Frequently asked questions

### Is AP Computer Science Quiz free?

AP Computer Science Quiz costs $1.99, with no in-app purchases.

### Is Manufacturing Engineer Prep free?

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

### Do AP Computer Science Quiz or Manufacturing Engineer Prep have ads?

Neither AP Computer Science Quiz nor Manufacturing Engineer Prep shows ads.

### Which is updated more often, AP Computer Science Quiz or Manufacturing Engineer Prep?

AP Computer Science Quiz ships an update every 42 months, and Manufacturing Engineer Prep every 7 months. Most recently, AP Computer Science Quiz was updated on September 8, 2026 and Manufacturing Engineer Prep on September 14, 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.*