# 8051 Tutorial vs NoteBlob

8051 Tutorial and NoteBlob both sit at 5.0 stars, but that hides the real split: 100% of NoteBlob's written reviews are positive against 50% of 8051 Tutorial's. NoteBlob also leads on in-app purchases (none vs 10) and update cadence (weekly vs every 3 months). 8051 Tutorial's advantage is iOS requirement (12.0 vs 26.0). 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. NoteBlob 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 NoteBlob. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews are what separate them: 50% of 8051 Tutorial's written reviews are positive against 100% of NoteBlob's.

8051 Tutorial ships an update every 3 months, NoteBlob weekly. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 8051 Tutorial | NoteBlob |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/8051-tutorial/id1043830861/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/noteblob/id6761648648/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 13 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Gaetan Zanella](https://appshunter.io/developer/933259789) |

## 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 |


### NoteBlob

[App page](https://appshunter.io/ios/app/noteblob/id6761648648)

This app is a markdown note editor that uses Git for version control, ensuring no proprietary formats or complex systems. It offers a powerful editor, full-text search, and a simple Git workflow for managing your notes. Your notes are stored in your own repository, providing open-source freedom and no vendor lock-in.

**Highlights:** Markdown editor, Full-text search, Git commit, push, merge workflow, Note linking, GitHub token backup

**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 NoteBlob free?

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

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

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

### Do 8051 Tutorial or NoteBlob have ads?

Neither 8051 Tutorial nor NoteBlob shows ads.

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

8051 Tutorial ships an update every 3 months, and NoteBlob weekly. Most recently, 8051 Tutorial was updated on October 10, 2026 and NoteBlob on October 8, 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.*