# BlueGrays vs Digital Electronics+

The clearest difference is ads: Digital Electronics+ at none against BlueGrays's shown. BlueGrays's advantage is update cadence (every 6 days vs every 6 months) and iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. BlueGrays sells 6 in-app purchases, starting at $2.99 per month and Digital Electronics+ sells 6 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

BlueGrays ships an update every 6 days, Digital Electronics+ every 6 months. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | BlueGrays | Digital Electronics+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (11 ratings)](https://appshunter.io/ios/app/bluegrays-learn-electronics/id6502332602/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 24 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yunus Emre Eke](https://appshunter.io/developer/1713998736) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## 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 |


### Digital Electronics+

[App page](https://appshunter.io/ios/app/digital-electronics-plus/id6747192806)

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is BlueGrays free?

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

### Is Digital Electronics+ free?

Digital Electronics+ is free to download, with in-app purchases available.

### Do BlueGrays or Digital Electronics+ have ads?

BlueGrays shows ads; Digital Electronics+ does not.

### Which is updated more often, BlueGrays or Digital Electronics+?

BlueGrays ships an update every 6 days, and Digital Electronics+ every 6 months. Most recently, BlueGrays was updated on September 17, 2026 and Digital Electronics+ 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.*