# Prep vs CRE Quality Engineer Exam

The clearest difference is update cadence: Prep at every 2 weeks against CRE Quality Engineer Exam's every 8 months. Prep also leads on iOS requirement (13.4 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Prep sells 3 in-app purchases, starting at $39.99 per month and CRE Quality Engineer Exam sells 9 in-app purchases, starting at $8.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Prep ships an update every 2 weeks, CRE Quality Engineer Exam every 8 months. The most recent releases landed on September 24, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Prep | CRE Quality Engineer Exam |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Size | 48 MB | 51 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [15990823 Canada Inc](https://appshunter.io/developer/1783465379) | [Exam Prep OU](https://appshunter.io/developer/1689642184) |

## What reviewers say

### Prep

[App page](https://appshunter.io/ios/app/prep-rn/id6739027831)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prep-rn Monthly Plan. | $39.99 | per month |
| Prep-rn Quarterly Plan | $129.99 | per 3 months |
| Prep-rn Half Yearly Plan | $199.99 | per 6 months |


### CRE Quality Engineer Exam

[App page](https://appshunter.io/ios/app/cre-quality-engineer-exam/id6744003203)

**Features:** macOS Compatibility

**In-app purchases (9)**

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


## Frequently asked questions

### Is Prep free?

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

### Is CRE Quality Engineer Exam free?

CRE Quality Engineer Exam is free to download, with in-app purchases available.

### Do Prep or CRE Quality Engineer Exam have ads?

Neither Prep nor CRE Quality Engineer Exam shows ads.

### Which is updated more often, Prep or CRE Quality Engineer Exam?

Prep ships an update every 2 weeks, and CRE Quality Engineer Exam every 8 months. Most recently, Prep was updated on September 24, 2026 and CRE Quality Engineer Exam on September 11, 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.*