# IoT Assistant vs Otoadd Control

The clearest difference is update cadence: Otoadd Control at every 3 weeks against IoT Assistant's every 6 weeks. IoT Assistant's advantage is iOS requirement (11.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IoT Assistant ships an update every 6 weeks, Otoadd Control every 3 weeks. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | IoT Assistant | Otoadd Control |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Size | 33 MB | 42 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ASUKA AUTOTRONICS INC](https://appshunter.io/developer/1162051369) | [RelaJet Tech (Taiwan) Co., Ltd.](https://appshunter.io/developer/1492983723) |

## What reviewers say

### IoT Assistant

[App page](https://appshunter.io/ios/app/iot-assistant/id6444040990)

**Features:** macOS Compatibility

**In-app purchases:** none


### Otoadd Control

[App page](https://appshunter.io/ios/app/otoadd-control/id6714463154)

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

**In-app purchases:** none


## Frequently asked questions

### Is IoT Assistant free?

IoT Assistant is free to download, with no in-app purchases.

### Is Otoadd Control free?

Otoadd Control is free to download, with no in-app purchases.

### Do IoT Assistant or Otoadd Control have ads?

Neither IoT Assistant nor Otoadd Control shows ads.

### Which is updated more often, IoT Assistant or Otoadd Control?

IoT Assistant ships an update every 6 weeks, and Otoadd Control every 3 weeks. Most recently, IoT Assistant was updated on September 11, 2026 and Otoadd Control on September 19, 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.*