# 8051 Tutorial Pro vs cryptoscreen

The clearest difference is price: cryptoscreen at Free against 8051 Tutorial Pro's $1.99. cryptoscreen also leads on update cadence (fortnightly vs every 6 months). 8051 Tutorial Pro's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On ads and in-app purchases there is nothing between them.

cryptoscreen is free to download; 8051 Tutorial Pro costs $1.99 up front. 8051 Tutorial Pro sells 10 one-off in-app purchases and cryptoscreen sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

8051 Tutorial Pro ships an update every 6 months, cryptoscreen fortnightly. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 8051 Tutorial Pro | cryptoscreen |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cryptoscreen/id6779173642/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 17 MB | 7 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Domenico Marco Di Donna](https://appshunter.io/developer/1890112575) |

## 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 |


### cryptoscreen

[App page](https://appshunter.io/ios/app/cryptoscreen/id6779173642)

This app creates secure, self-destructing notes that are encrypted locally before being shared. Both a link and a PIN are required to access the message, which is then deleted after a single successful read. It offers enhanced privacy features like screenshot detection.

**Highlights:** Local encryption before upload, Link and PIN required for access, One-time read deletion, Screenshot detection, Message destruction after failed PIN attempts, Link expiration, Encrypted image attachments (Pro)

**Features:** macOS Compatibility, iMessage stickers, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| cryptoscreen Pro Images | $2.99 | per month |


## Frequently asked questions

### Is 8051 Tutorial Pro free?

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

### Is cryptoscreen free?

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

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

Neither 8051 Tutorial Pro nor cryptoscreen shows ads.

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

8051 Tutorial Pro ships an update every 6 months, and cryptoscreen fortnightly. Most recently, 8051 Tutorial Pro was updated on October 26, 2026 and cryptoscreen on October 20, 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.*