# Workshop for Raspberry Pi vs BlueGrays

The clearest difference is rating: BlueGrays at 4.4 against Workshop for Raspberry Pi's 1.0. BlueGrays also leads on update cadence (every 6 days vs every 19 months) and ratings volume (11 vs 1). Workshop for Raspberry Pi's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.1). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Workshop for Raspberry Pi sells 10 one-off in-app purchases and BlueGrays sells 6 in-app purchases, starting at $2.99 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.

Workshop for Raspberry Pi ships an update every 19 months, BlueGrays every 6 days. The most recent releases landed on October 5, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Workshop for Raspberry Pi | BlueGrays |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/workshop-for-raspberry-pi/id1641041225/reviews) | **[4.4 (11 ratings)](https://appshunter.io/ios/app/bluegrays-learn-electronics/id6502332602/reviews)** |
| Number of ratings | 1 | **11** |
| Positive reviews | — | 64.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 23 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Yunus Emre Eke](https://appshunter.io/developer/1713998736) |

## What reviewers say

### Workshop for Raspberry Pi

[App page](https://appshunter.io/ios/app/workshop-for-raspberry-pi/id1641041225)

Explore a variety of demo projects for Raspberry Pi, covering displays, sensors, home automation, and IoT. Ideal for makers, electronics enthusiasts, and engineering students looking to learn and experiment with hardware.

**Highlights:** Display projects (LCM, OLED, TFT), Sensor projects (temperature, humidity), Home automation (WiFi, Bluetooth, LoRa), IoT projects (post sensor data), Collection of demo projects, Suitable for makers and students

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TFT 220x176 | $1.99 | one-time |
| dht11 sensor | $1.99 | one-time |
| 18b20 sensor | $1.99 | one-time |
| Rotary encoder | $1.99 | one-time |
| ADC ADS1115 | $1.99 | one-time |
| Automation using browser | $1.99 | one-time |
| Automation using LoRa | $1.99 | one-time |
| Environment sensor IoT | $3.99 | one-time |
| Automation using bluetooth | $3.99 | one-time |
| Automation using bluetooth LE | $3.99 | one-time |


### 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 |


## Frequently asked questions

### Is Workshop for Raspberry Pi free?

Workshop for Raspberry Pi is free to download, with in-app purchases available.

### Is BlueGrays free?

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

### Which has better reviews, Workshop for Raspberry Pi or BlueGrays?

BlueGrays is rated higher. Workshop for Raspberry Pi averages 1.0 out of 5 from 1 ratings, while BlueGrays averages 4.4 from 11 ratings.

### Do Workshop for Raspberry Pi or BlueGrays have ads?

BlueGrays shows ads; Workshop for Raspberry Pi does not.

### Which is updated more often, Workshop for Raspberry Pi or BlueGrays?

Workshop for Raspberry Pi ships an update every 19 months, and BlueGrays every 6 days. Most recently, Workshop for Raspberry Pi was updated on October 5, 2026 and BlueGrays on September 17, 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.*