# CPU8 Plus vs Wiki Reader

The clearest difference is in-app purchases: CPU8 Plus at none against Wiki Reader's 3. CPU8 Plus also leads on device support (3 vs 1) and iOS requirement (12.4 vs 16.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Wiki Reader sells 3 in-app purchases, starting at $5.99 per 7 days. CPU8 Plus asks for nothing beyond the download.

CPU8 Plus ships an update every 3 months, Wiki Reader every 6 weeks. The most recent releases landed on September 23, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CPU8 Plus | Wiki Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cpu8-plus/id1518324298/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 160 MB | 24 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cordova Bay Entertainment Group, Inc](https://appshunter.io/developer/1448776027) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### CPU8 Plus

[App page](https://appshunter.io/ios/app/cpu8-plus/id1518324298)

This app simulates an 8-bit computer, teaching users about internal computer workings. It features an expanded memory space compared to its predecessor, allowing for more complex programs and a deeper understanding of computer architecture.

**Highlights:** Simulates 8-bit computer architecture, Expanded addressable memory (256 bytes), Simple 16-instruction set, Source code compatibility with CPU8, Hexadecimal progress displays, Detailed memory display

**In-app purchases:** none


### Wiki Reader

[App page](https://appshunter.io/ios/app/wiki-reader-ai-study-and-learn/id6760022581)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $5.99 | per 7 days |
| Premium Yearly | $29.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is CPU8 Plus free?

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

### Is Wiki Reader free?

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

### Do CPU8 Plus or Wiki Reader have ads?

Neither CPU8 Plus nor Wiki Reader shows ads.

### Which is updated more often, CPU8 Plus or Wiki Reader?

CPU8 Plus ships an update every 3 months, and Wiki Reader every 6 weeks. Most recently, CPU8 Plus was updated on September 23, 2026 and Wiki Reader on October 5, 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.*