# InkIot vs 白噪音柔音哄睡

The clearest difference is in-app purchases: InkIot at none against 白噪音柔音哄睡's 2. InkIot also leads on iOS requirement (13.0 vs 18.6). 白噪音柔音哄睡's advantage is update cadence (fortnightly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. 白噪音柔音哄睡 sells 2 in-app purchases, starting at $2.99 per month. InkIot asks for nothing beyond the download.

InkIot ships an update every 3 months, 白噪音柔音哄睡 fortnightly. The most recent releases landed on September 8, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | InkIot | 白噪音柔音哄睡 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Size | 16 MB | 294 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PTseeing IoT Technology Co.,Ltd](https://appshunter.io/developer/1773719576) | [斌斌 刘](https://appshunter.io/developer/499562451) |

## What reviewers say

### InkIot

[App page](https://appshunter.io/ios/app/inkiot/id6748938129)

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

**In-app purchases:** none


### 白噪音柔音哄睡

[App page](https://appshunter.io/ios/app/id6771292301)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $2.99 | per month |
| Yearly Membership | $12.99 | per year |


## Frequently asked questions

### Is InkIot free?

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

### Is 白噪音柔音哄睡 free?

白噪音柔音哄睡 is free to download, with in-app purchases available.

### Do InkIot or 白噪音柔音哄睡 have ads?

Neither InkIot nor 白噪音柔音哄睡 shows ads.

### Which is updated more often, InkIot or 白噪音柔音哄睡?

InkIot ships an update every 3 months, and 白噪音柔音哄睡 fortnightly. Most recently, InkIot was updated on September 8, 2026 and 白噪音柔音哄睡 on August 23, 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.*