# Nouhaus IoT vs Sleep Tech

The clearest difference is in-app purchases: Nouhaus IoT at none against Sleep Tech's 2. Nouhaus IoT also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (14.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. Sleep Tech sells 2 in-app purchases, starting at $1.99 per month. Nouhaus IoT asks for nothing beyond the download.

Nouhaus IoT ships an update every 3 days, Sleep Tech every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Nouhaus IoT | Sleep Tech |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 40 MB | 53 MB |
| Requires iOS | **14.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Nouhaus Co., Ltd](https://appshunter.io/developer/1714721836) | [Hevers Co.,Ltd](https://appshunter.io/developer/1865857547) |

## What reviewers say

### Nouhaus IoT

[App page](https://appshunter.io/ios/app/nouhaus-iot/id6471038766)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sleep Tech

[App page](https://appshunter.io/ios/app/sleep-tech/id6757299435)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 구독 (1개월) | $1.99 | per month |
| 프리미엄 구독 (1년) | $19.99 | per year |


## Frequently asked questions

### Is Nouhaus IoT free?

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

### Is Sleep Tech free?

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

### Do Nouhaus IoT or Sleep Tech have ads?

Neither Nouhaus IoT nor Sleep Tech shows ads.

### Which is updated more often, Nouhaus IoT or Sleep Tech?

Nouhaus IoT ships an update every 3 days, and Sleep Tech every 2 weeks. Most recently, Nouhaus IoT was updated on October 27, 2026 and Sleep Tech 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.*