# Yooai vs NDS6831

The clearest difference is update cadence: NDS6831 at every 3 weeks against Yooai's every 2 months. NDS6831 also leads on iOS requirement (9.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Yooai ships an update every 2 months, NDS6831 every 3 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Yooai | NDS6831 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/yooai/id1453813106/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 18 MB | 36 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou You'an Information Technology Co.,Ltd](https://appshunter.io/developer/1092018980) | [Guangzhou Aidan Blessindo Electronic Co.,Ltd.](https://appshunter.io/developer/1413008258) |

## What reviewers say

### Yooai

[App page](https://appshunter.io/ios/app/yooai/id1453813106)

Control your smart home devices remotely, including starting, stopping, and switching appliances. It supports various devices and allows sharing control with family and friends. Integrate with voice assistants for hands-free operation and receive equipment failure notifications.

**Highlights:** Remote appliance control, Support for various devices, Device sharing with family, Voice assistant integration, Equipment failure notifications

**In-app purchases:** none


### NDS6831

[App page](https://appshunter.io/ios/app/nds6831/id1460128239)

This application connects to Nakamichi Digital Sound Processors, allowing users to control and customize their audio settings. It provides an interface for adjusting various sound parameters to optimize the listening experience.

**Highlights:** Connects to Nakamichi DSPs, Control audio settings, Customize sound parameters, Optimize listening experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Yooai free?

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

### Is NDS6831 free?

NDS6831 is free to download, with no in-app purchases.

### Do Yooai or NDS6831 have ads?

Neither Yooai nor NDS6831 shows ads.

### Which is updated more often, Yooai or NDS6831?

Yooai ships an update every 2 months, and NDS6831 every 3 weeks. Most recently, Yooai was updated on November 2, 2026 and NDS6831 on November 3, 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.*