# 8051 Tutorial vs Z80CPM

The clearest difference is in-app purchases: Z80CPM at none against 8051 Tutorial's 10. Z80CPM also leads on update cadence (every 10 days vs every 3 months). 8051 Tutorial's advantage is iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. 8051 Tutorial sells 10 one-off in-app purchases. Z80CPM asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for 8051 Tutorial against 5.0 for Z80CPM. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

8051 Tutorial ships an update every 3 months, Z80CPM every 10 days. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | 8051 Tutorial | Z80CPM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/8051-tutorial/id1043830861/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/z80cpm/id6756590871/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free with in-app purchases | **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

[App page](https://appshunter.io/ios/app/8051-tutorial/id1043830861)

Learn 8051 microcontroller programming in C with this comprehensive tutorial. It covers architecture, assembly, and C language, featuring 11 practical projects. An optional Pro version offers additional projects with source code and advanced features.

**Highlights:** 8051 architecture review, 8051 assembly mnemonics, 8051 C language programming, 11 practical projects, Baud calculator, Pro version with extra projects and source code

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 24L01 | $0.99 | one-time |
| 18B20 | $0.99 | one-time |
| OLED | $0.99 | one-time |
| Unlock Pro features | $1.99 | one-time |
| ESP8266 | $1.99 | one-time |
| BMP180 project | $1.99 | one-time |
| DHT11 project | $1.99 | one-time |
| DHT22 project | $1.99 | one-time |
| BMP280 project | $1.99 | one-time |
| Wireless automation (BT) | $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 free?

8051 Tutorial is free to download, with in-app purchases available.

### Is Z80CPM free?

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

### Which has better reviews, 8051 Tutorial or Z80CPM?

8051 Tutorial and Z80CPM are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do 8051 Tutorial or Z80CPM have ads?

Neither 8051 Tutorial nor Z80CPM shows ads.

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

8051 Tutorial ships an update every 3 months, and Z80CPM every 10 days. Most recently, 8051 Tutorial 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.*