# Smart.IO vs Bluetooth for Arduino

The clearest difference is iOS requirement: Smart.IO at 9.1 against Bluetooth for Arduino's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Smart.IO sells 1 one-off in-app purchase and Bluetooth for Arduino sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Smart.IO ships an update monthly, Bluetooth for Arduino every 2 months. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Smart.IO | Bluetooth for Arduino |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (42 ratings)](https://appshunter.io/ios/app/bluetooth-for-arduino/id1505096526/reviews)** |
| Number of ratings | — | **42** |
| Positive reviews | — | 45.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 5 MB | 5 MB |
| Requires iOS | **9.1** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ImageCraft Creations Inc.](https://appshunter.io/developer/1265821837) | [Giuseppe Migliore](https://appshunter.io/developer/1505096105) |

## What reviewers say

### Smart.IO

[App page](https://appshunter.io/ios/app/smartio/id1265821838)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enable Caching | $4.99 | one-time |


### Bluetooth for Arduino

[App page](https://appshunter.io/ios/app/bluetooth-for-arduino/id1505096526)

Transform your iPhone or iPad into a wireless remote control for your Arduino projects. Easily connect to your Bluetooth module and send custom commands via keyboard or pre-designed buttons.

**Highlights:** Bluetooth remote control, Arduino project control, Custom command sending, Keyboard input, Button interface, Connect to Bluetooth modules

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Custom | $3.99 | one-time |
| Gamepad | $3.99 | one-time |
| Terminal | $3.99 | one-time |
| Unlock everything | $11.99 | one-time |


## Frequently asked questions

### Is Smart.IO free?

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

### Is Bluetooth for Arduino free?

Bluetooth for Arduino is free to download, with in-app purchases available.

### Do Smart.IO or Bluetooth for Arduino have ads?

Neither Smart.IO nor Bluetooth for Arduino shows ads.

### Which is updated more often, Smart.IO or Bluetooth for Arduino?

Smart.IO ships an update monthly, and Bluetooth for Arduino every 2 months. Most recently, Smart.IO was updated on October 29, 2026 and Bluetooth for Arduino on October 25, 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.*