# 8051 Tutorial Pro vs Z80CPM

The clearest difference is price: Z80CPM at Free against 8051 Tutorial Pro's $1.99. Z80CPM also leads on in-app purchases (none vs 10) and update cadence (every 10 days vs every 6 months). 8051 Tutorial Pro's advantage is iOS requirement (12.0 vs 15.0). On ads and device support there is nothing between them.

Z80CPM is free to download; 8051 Tutorial Pro costs $1.99 up front. 8051 Tutorial Pro sells 10 one-off in-app purchases. Z80CPM asks for nothing beyond the download.

8051 Tutorial Pro ships an update every 6 months, Z80CPM every 10 days. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 8051 Tutorial Pro | Z80CPM |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/z80cpm/id6756590871/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 17 MB | 1 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Aaron Wohl](https://appshunter.io/developer/1860336063) |

## What reviewers say

### 8051 Tutorial Pro

[App page](https://appshunter.io/ios/app/8051-tutorial-pro/id1041770722)

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 18B20 | $0.99 | one-time |
| 24L01 | $0.99 | one-time |
| MPU6050 | $0.99 | one-time |
| OLED | $0.99 | one-time |
| ESP8266 | $1.99 | one-time |
| DHT22 project | $1.99 | one-time |
| DHT11 project | $1.99 | one-time |
| BMP180 project | $1.99 | one-time |
| BMP280 project | $1.99 | one-time |
| automation (BT) project | $1.99 | one-time |


### Z80CPM

[App page](https://appshunter.io/ios/app/z80cpm/id6756590871)

Experience the classic CP/M operating system on your iOS or Mac device with a full Z80 processor emulator. Run authentic CP/M software, including operating systems, word processors, programming languages, and text adventures. Works offline with support for multiple disk images.

**Highlights:** Full Z80 emulation, VT100 terminal support, Multiple disk image mounting, Offline functionality, Native Mac support, Downloadable CP/M disk images

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 8051 Tutorial Pro free?

8051 Tutorial Pro costs $1.99, and also offers in-app purchases.

### Is Z80CPM free?

Z80CPM is free to download, with no in-app purchases.

### Do 8051 Tutorial Pro or Z80CPM have ads?

Neither 8051 Tutorial Pro nor Z80CPM shows ads.

### Which is updated more often, 8051 Tutorial Pro or Z80CPM?

8051 Tutorial Pro ships an update every 6 months, and Z80CPM every 10 days. Most recently, 8051 Tutorial Pro was updated on October 10, 2026 and Z80CPM 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.*