# BlueGrays vs Learn Electronics & Arduino

The clearest difference is rating: BlueGrays at 4.4 against Learn Electronics & Arduino's 1.0. BlueGrays also leads on update cadence (every 6 days vs monthly) and ratings volume (11 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. BlueGrays sells 6 in-app purchases, starting at $2.99 per month and Learn Electronics & Arduino sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

BlueGrays holds the better App Store score, 4.4 against 1.0. That said, the two scores are not equally well evidenced: BlueGrays has 11 ratings behind it against 1, so its average is the more settled of the two.

BlueGrays ships an update every 6 days, Learn Electronics & Arduino monthly. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | BlueGrays | Learn Electronics & Arduino |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (11 ratings)](https://appshunter.io/ios/app/bluegrays-learn-electronics/id6502332602/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/learn-electronics-and-arduino/id6786012093/reviews) |
| Number of ratings | **11** | 1 |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 51 MB | 58 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yunus Emre Eke](https://appshunter.io/developer/1713998736) | [MEHMET CANKER (TR)](https://appshunter.io/developer/1565350155) |

## What reviewers say

### BlueGrays

[App page](https://appshunter.io/ios/app/bluegrays-learn-electronics/id6502332602)

Learn electronics with interactive projects, a component catalog, and personal inventory management. Start with free projects and unlock full access to Arduino, ESP32, and IoT content with a premium subscription. Gamified learning with badges and levels keeps you motivated.

**Highlights:** Free starter projects, Unlimited Arduino/ESP32/IoT projects, Detailed circuit diagrams and code, Component catalog with specifications, Personal inventory management, Gamified learning with badges and levels, Multi-language support

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $2.99 | per month |
| Premium (Yearly) | $11.99 | per year |
| 5x Aylık Eğitimci Paketi | $12.99 | one-time |
| 10x Aylık Eğitimci Paketi | $23.99 | one-time |
| 5x Yıllık Eğitimci Paketi | $53.99 | one-time |
| 10x Yıllık Eğitimci Paketi | $101.99 | one-time |


### Learn Electronics & Arduino

[App page](https://appshunter.io/ios/app/learn-electronics-and-arduino/id6786012093)

Learn electronics and Arduino programming through interactive lessons and simulations on your phone. Build real projects with no prior experience or hardware needed. Covers fundamentals to advanced projects with guided labs and quizzes.

**Highlights:** Interactive 3D circuit simulations, Built-in Arduino sketch editor and interpreter, 124 lessons across 4 learning worlds, 52 hands-on guided labs, Offline functionality, Multi-language support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Electronics Pro - Monthly | $4.99 | per month |
| Electronics Pro - Yearly | $14.99 | per year |


## Frequently asked questions

### Is BlueGrays free?

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

### Is Learn Electronics & Arduino free?

Learn Electronics & Arduino is free to download, with in-app purchases available.

### Which has better reviews, BlueGrays or Learn Electronics & Arduino?

BlueGrays is rated higher. BlueGrays averages 4.4 out of 5 from 11 ratings, while Learn Electronics & Arduino averages 1.0 from 1 ratings.

### Do BlueGrays or Learn Electronics & Arduino have ads?

Both BlueGrays and Learn Electronics & Arduino show ads.

### Which is updated more often, BlueGrays or Learn Electronics & Arduino?

BlueGrays ships an update every 6 days, and Learn Electronics & Arduino monthly. Most recently, BlueGrays was updated on September 17, 2026 and Learn Electronics & Arduino on September 11, 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.*