# CPU8 Pro vs Barber Exam Center Rocket Prep

The clearest difference is in-app purchases: CPU8 Pro at none against Barber Exam Center Rocket Prep's 7. CPU8 Pro also leads on iOS requirement (12.4 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Barber Exam Center Rocket Prep sells 7 in-app purchases, starting at $9.99 per 7 days. CPU8 Pro asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | CPU8 Pro | Barber Exam Center Rocket Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cpu8-pro/id1604002192/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free | — |
| Size | 255 MB | 47 MB |
| Requires iOS | **12.4** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cordova Bay Entertainment Group, Inc](https://appshunter.io/developer/1448776027) | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) |

## What reviewers say

### CPU8 Pro

[App page](https://appshunter.io/ios/app/cpu8-pro/id1604002192)

Explore the inner workings of modern computers with a simulated 8-bit processor. Learn about computer history, use a visual model to execute programs, and assemble your own code.

**Highlights:** Simulated 8-bit computer model (Intel 8085 based), History of computing content, Assembler manual and reference, Visual execution model of programs, Integrated assembler for creating programs, Links to Ben Eater's building instructions

**Features:** macOS Compatibility

**In-app purchases:** none


### Barber Exam Center Rocket Prep

[App page](https://appshunter.io/ios/app/barber-exam-center-rocket-prep/id6744277268)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Barber weekly subscription | $9.99 | per 7 days |
| Barber Monthly Full Access | $24.99 | per month |
| Barber monthly subscription | $24.99 | per month |
| Barber exam simulator 1 Try | $4.99 | one-time |
| Barber exam simulator 3 Tries | $9.99 | one-time |
| Barber exam simulator 5 Tries | $14.99 | one-time |
| Barber exam simulator 7 Try | $19.99 | one-time |


## Frequently asked questions

### Is CPU8 Pro free?

CPU8 Pro is free to download, with no in-app purchases.

### Is Barber Exam Center Rocket Prep free?

Barber Exam Center Rocket Prep is free to download, with in-app purchases available.

### Do CPU8 Pro or Barber Exam Center Rocket Prep have ads?

Neither CPU8 Pro nor Barber Exam Center Rocket Prep shows ads.

### Which is updated more often, CPU8 Pro or Barber Exam Center Rocket Prep?

CPU8 Pro ships an update every 3 months, and Barber Exam Center Rocket Prep every 3 months. Most recently, CPU8 Pro was updated on October 23, 2026 and Barber Exam Center Rocket Prep on October 12, 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.*