# 8051 Tutorial vs DecideAI

8051 Tutorial and DecideAI both sit at 5.0 stars, but that hides the real split: 100% of DecideAI's written reviews are positive against 50% of 8051 Tutorial's. DecideAI also leads on update cadence (every 2 weeks vs every 3 months) and ratings volume (9 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. 8051 Tutorial sells 10 one-off in-app purchases and DecideAI sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for 8051 Tutorial against 5.0 for DecideAI. That said, the two scores are not equally well evidenced: DecideAI has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 50% of 8051 Tutorial's written reviews are positive against 100% of DecideAI's.

8051 Tutorial ships an update every 3 months, DecideAI every 2 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 8051 Tutorial | DecideAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/8051-tutorial/id1043830861/reviews) | [5.0 (9 ratings)](https://appshunter.io/ios/app/decideai-voice-decision-maker/id6566178598/reviews) |
| Number of ratings | 1 | **9** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 40 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Innovation Anywhere OÜ](https://appshunter.io/developer/1758678558) |

## 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 |


### DecideAI

[App page](https://appshunter.io/ios/app/decideai-voice-decision-maker/id6566178598)

This AI-powered app helps you make everyday decisions by turning them into a fun, surprising game. Simply voice your options, and let the intelligent algorithm select the best choice for you, or discover new possibilities.

**Highlights:** Voice recognition for decision input, AI-powered random choice generation, Suggests new options, Customizable voice settings, Multilingual voice support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Decisions Monthly | $2.99 | per month |
| Unlimited Decisions Yearly | $17.99 | per year |
| Lifetime unlimited decisions | $59.99 | one-time |


## Frequently asked questions

### Is 8051 Tutorial free?

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

### Is DecideAI free?

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

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

8051 Tutorial and DecideAI are both rated 5.0 out of 5 on the App Store, from 1 and 9 ratings respectively.

### Do 8051 Tutorial or DecideAI have ads?

Neither 8051 Tutorial nor DecideAI shows ads.

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

8051 Tutorial ships an update every 3 months, and DecideAI every 2 weeks. Most recently, 8051 Tutorial was updated on November 2, 2026 and DecideAI on November 4, 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.*