# 8051 Tutorial Pro vs Electronic Circuits Calc Pro

The clearest difference is in-app purchases: Electronic Circuits Calc Pro at none against 8051 Tutorial Pro's 10. Electronic Circuits Calc Pro also leads on update cadence (every 2 months vs every 6 months). 8051 Tutorial Pro's advantage is price ($1.99 vs $4.99) and iOS requirement (12.0 vs 17.0). On ads and device support there is nothing between them.

8051 Tutorial Pro costs $1.99 and Electronic Circuits Calc Pro $4.99 up front. 8051 Tutorial Pro sells 10 one-off in-app purchases. Electronic Circuits Calc Pro asks for nothing beyond the download.

8051 Tutorial Pro ships an update every 6 months, Electronic Circuits Calc Pro every 2 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 8051 Tutorial Pro | Electronic Circuits Calc Pro |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 17 MB | 19 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## 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 |


### Electronic Circuits Calc Pro

[App page](https://appshunter.io/ios/app/electronic-circuits-calc-pro/id1658493129)

**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 Electronic Circuits Calc Pro free?

Electronic Circuits Calc Pro costs $4.99, with no in-app purchases.

### Do 8051 Tutorial Pro or Electronic Circuits Calc Pro have ads?

Neither 8051 Tutorial Pro nor Electronic Circuits Calc Pro shows ads.

### Which is updated more often, 8051 Tutorial Pro or Electronic Circuits Calc Pro?

8051 Tutorial Pro ships an update every 6 months, and Electronic Circuits Calc Pro every 2 months. Most recently, 8051 Tutorial Pro was updated on October 10, 2026 and Electronic Circuits Calc Pro on October 12, 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.*