# Arduino Bluetooth Kit vs EINO

The clearest difference is price: EINO at Free against Arduino Bluetooth Kit's $4.99. EINO also leads on rating (5.0 vs 2.4) and update cadence (weekly vs every 10 months). Arduino Bluetooth Kit's advantage is in-app purchases (none vs 12) and ratings volume (7 vs 1). On ads and device support there is nothing between them.

EINO is free to download; Arduino Bluetooth Kit costs $4.99 up front. EINO sells 12 in-app purchases, starting at $10.00 per month. Arduino Bluetooth Kit asks for nothing beyond the download.

EINO holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: Arduino Bluetooth Kit has 7 ratings behind it against 1, so its average is the more settled of the two.

Arduino Bluetooth Kit ships an update every 10 months, EINO weekly. The most recent releases landed on June 13, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Arduino Bluetooth Kit | EINO |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [2.4 (7 ratings)](https://appshunter.io/ios/app/arduino-bluetooth-kit/id1172121838/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eino/id1614059570/reviews)** |
| Number of ratings | **7** | 1 |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 26 MB | 137 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rabi Alhetawi](https://appshunter.io/developer/1079396850) | [EINO World GmbH](https://appshunter.io/developer/1711020228) |

## What reviewers say

### Arduino Bluetooth Kit

[App page](https://appshunter.io/ios/app/arduino-bluetooth-kit/id1172121838)

Control and monitor Arduino boards via Bluetooth. Read and write digital and analog pins, change pin modes, and visualize data with charts and gauges. Ideal for smart home, automation, and educational projects.

**Highlights:** Read/write digital pins, Read/write PWM pins, Read analog pins, Monitor analog data via charts/gauges, Change pin modes, Automatic Arduino connection, Rename pin labels

**Features:** macOS Compatibility

**In-app purchases:** none


### EINO

[App page](https://appshunter.io/ios/app/eino/id1614059570)

This app acts as a personal search engine for your knowledge, allowing you to save, search, learn, and share various media formats like text, audio, video, and documents. It uses AI to organize your content, making it accessible across devices and useful for individuals or entire companies.

**Highlights:** Save and search text, audio, video, and documents, AI-powered content organization, Cross-device accessibility, Knowledge sharing for individuals and teams, Keyword tagging for content, Create or upload digital content

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Upload | $10.00 | per month |
| White Labeling | $10.00 | per month |
| Extra User | $10.00 | per month |
| Guideline Marketplace | $10.00 | per month |
| AI Transcripts & Summaries | $10.00 | per month |
| Add 5 TB Storage Monthly | $89.00 | per month |
| White Labeling | $99.99 | per year |
| Unlimited Upload | $99.99 | per year |
| Guideline Marketplace | $99.99 | per year |
| Extra User | $99.99 | per year |
| AI Transcripts & Summaries | $99.99 | per year |
| Add 5 TB Storage Yearly | $799.99 | per year |


## Frequently asked questions

### Is Arduino Bluetooth Kit free?

Arduino Bluetooth Kit costs $4.99, with no in-app purchases.

### Is EINO free?

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

### Which has better reviews, Arduino Bluetooth Kit or EINO?

EINO is rated higher. Arduino Bluetooth Kit averages 2.4 out of 5 from 7 ratings, while EINO averages 5.0 from 1 ratings.

### Do Arduino Bluetooth Kit or EINO have ads?

Neither Arduino Bluetooth Kit nor EINO shows ads.

### Which is updated more often, Arduino Bluetooth Kit or EINO?

Arduino Bluetooth Kit ships an update every 10 months, and EINO weekly. Most recently, Arduino Bluetooth Kit was updated on June 13, 2026 and EINO on September 22, 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.*