# 白噪音宝宝助眠安抚宝 vs Due Date Pro

The clearest difference is update cadence: Due Date Pro at fortnightly against 白噪音宝宝助眠安抚宝's every 5 months. 白噪音宝宝助眠安抚宝's advantage is iOS requirement (12.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 白噪音宝宝助眠安抚宝 sells 3 in-app purchases, starting at $2.99 per month and Due Date Pro sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

白噪音宝宝助眠安抚宝 ships an update every 5 months, Due Date Pro fortnightly. The most recent releases landed on October 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 白噪音宝宝助眠安抚宝 | Due Date Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Fortnightly** |
| Size | 67 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [春文 姜](https://appshunter.io/developer/1623567586) | [Anbery](https://appshunter.io/developer/1887025046) |

## What reviewers say

### 白噪音宝宝助眠安抚宝

[App page](https://appshunter.io/ios/app/id6476086283)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员订阅 | $2.99 | per month |
| 季度会员订阅 | $3.99 | per 3 months |
| 年度会员 | $4.99 | per year |


### Due Date Pro

[App page](https://appshunter.io/ios/app/due-date-pro/id6790180714)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro (Ad-Free) | $2.99 | one-time |


## Frequently asked questions

### Is 白噪音宝宝助眠安抚宝 free?

白噪音宝宝助眠安抚宝 is free to download, with in-app purchases available.

### Is Due Date Pro free?

Due Date Pro is free to download, with in-app purchases available.

### Do 白噪音宝宝助眠安抚宝 or Due Date Pro have ads?

Both 白噪音宝宝助眠安抚宝 and Due Date Pro show ads.

### Which is updated more often, 白噪音宝宝助眠安抚宝 or Due Date Pro?

白噪音宝宝助眠安抚宝 ships an update every 5 months, and Due Date Pro fortnightly. Most recently, 白噪音宝宝助眠安抚宝 was updated on October 11, 2026 and Due Date Pro on October 28, 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.*