# Now睡眠 vs 白噪音柔音哄睡

The clearest difference is iOS requirement: Now睡眠 at 13.0 against 白噪音柔音哄睡's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Now睡眠 sells 1 one-off in-app purchase and 白噪音柔音哄睡 sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Now睡眠 ships an update every 2 weeks, 白噪音柔音哄睡 fortnightly. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Now睡眠 | 白噪音柔音哄睡 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 41 MB | 294 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [亚琼 刘](https://appshunter.io/developer/1528119356) | [斌斌 刘](https://appshunter.io/developer/499562451) |

## What reviewers say

### Now睡眠

[App page](https://appshunter.io/ios/app/now/id6480343731)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终生VIP | $0.99 | one-time |


### 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 Now睡眠 free?

Now睡眠 is free to download, with in-app purchases available.

### 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 Now睡眠 or 白噪音柔音哄睡 have ads?

Neither Now睡眠 nor 白噪音柔音哄睡 shows ads.

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

Now睡眠 ships an update every 2 weeks, and 白噪音柔音哄睡 fortnightly. Most recently, Now睡眠 was updated on October 12, 2026 and 白噪音柔音哄睡 on October 7, 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.*