# 8051 Tutorial vs Circuit Resistance Creator

8051 Tutorial and Circuit Resistance Creator both sit at 5.0 stars, but that hides the real split: 100% of Circuit Resistance Creator's written reviews are positive against 50% of 8051 Tutorial's. Circuit Resistance Creator also leads on in-app purchases (none vs 10) and update cadence (every 3 weeks vs every 3 months). 8051 Tutorial's advantage is iOS requirement (12.0 vs 14.0). On price, rating, ads and device support there is nothing between them.

Both are free to download. 8051 Tutorial sells 10 one-off in-app purchases. Circuit Resistance Creator 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 Circuit Resistance Creator. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews are what separate them: 50% of 8051 Tutorial's written reviews are positive against 100% of Circuit Resistance Creator's.

8051 Tutorial ships an update every 3 months, Circuit Resistance Creator every 3 weeks. The most recent releases landed on September 16, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 8051 Tutorial | Circuit Resistance Creator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/8051-tutorial/id1043830861/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/circuit-resistance-creator/id1475404949/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 17 MB | 15 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [David White](https://appshunter.io/developer/911163945) |

## 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 |


### Circuit Resistance Creator

[App page](https://appshunter.io/ios/app/circuit-resistance-creator/id1475404949)

Calculate equivalent resistance for any resistor circuit. This tool is designed for students, technicians, and engineers, offering high accuracy for voltage, current, and resistance. It's a great way to check homework and perform engineering calculations.

**Highlights:** Equivalent resistance calculation, Supports any resistor circuit, High accuracy displays (6 decimal places), Apply custom circuit voltages, Designed for students and engineers, Homework checking tool

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 8051 Tutorial free?

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

### Is Circuit Resistance Creator free?

Circuit Resistance Creator is free to download, with no in-app purchases.

### Which has better reviews, 8051 Tutorial or Circuit Resistance Creator?

8051 Tutorial and Circuit Resistance Creator are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do 8051 Tutorial or Circuit Resistance Creator have ads?

Neither 8051 Tutorial nor Circuit Resistance Creator shows ads.

### Which is updated more often, 8051 Tutorial or Circuit Resistance Creator?

8051 Tutorial ships an update every 3 months, and Circuit Resistance Creator every 3 weeks. Most recently, 8051 Tutorial was updated on September 16, 2026 and Circuit Resistance Creator on June 1, 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.*