# White Noise vs Hydration Bear

The clearest difference is update cadence: Hydration Bear at every 6 days against White Noise's every 2 weeks. White Noise's advantage is device support (5 vs 3). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. White Noise sells 3 in-app purchases, starting at $3.99 per month and Hydration Bear sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

White Noise ships an update every 2 weeks, Hydration Bear every 6 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | White Noise | Hydration Bear |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.4K ratings)](https://appshunter.io/ios/app/white-noise-sound-machine/id1459538265/reviews)** | — |
| Number of ratings | **1.4K** | — |
| Positive reviews | 81.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Freemium | — |
| Size | 143 MB | 18 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Mac, Apple TV, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [BRIDGETECH SOLUTIONS LIMITED](https://appshunter.io/developer/497840921) | [Hangzhou Deep Sea Fish Information Technology Co., Ltd.](https://appshunter.io/developer/1635671407) |

## What reviewers say

### White Noise

[App page](https://appshunter.io/ios/app/white-noise-sound-machine/id1459538265)

Create personalized soundscapes for sleep, relaxation, or focus. Choose from over 50 sounds, combine them, and adjust audio settings for a perfect auditory experience. Integrates with Apple Health and Siri for seamless use.

**Highlights:** 50+ relaxing sleep sounds, Customizable sound mixes, Advanced audio adjustment, Real-time sound visualizer, Sleep timer, Apple Health integration, Siri and Shortcuts integration

**Features:** Family Sharing, Siri integration, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhiteNoise Sleep Sound Monthly | $3.99 | per month |
| WhiteNoise Sleep Sound Yearly | $19.99 | per year |
| White Noise Lifetime Purchase | $59.99 | one-time |

**What reviewers like**

- 🌙 Calming and soothing sounds
- 👍 Customizable sound options
- 🚀 Helps with sleep and relaxation
- 💡 Useful for focus and meditation
- 🤖 High-quality sound engineering

**What reviewers complain about**

- 🔋 High battery consumption
- 🔒 Subscription model limits free access
- 🐛 Occasional sound cutting out issues
- 💰 Paid features could be overpriced

**Reported bugs**

- Headphone switching issues between devices
- Inconsistent volume levels across different sounds

**Requested features**

- Sync favorite sounds across devices
- More customization options for mixes
- Ability to save sound combinations on Apple Watch
- Improved volume control and balance


### Hydration Bear

[App page](https://appshunter.io/ios/app/hydration-bear/id6795596548)

**Features:** Family Sharing, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WaterAlarm Pro Monthly | $2.99 | per month |
| WaterAlarm Pro Yearly | $14.99 | per year |
| WaterAlarm Pro Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is White Noise free?

White Noise is free to download, with in-app purchases available.

### Is Hydration Bear free?

Hydration Bear is free to download, with in-app purchases available.

### Do White Noise or Hydration Bear have ads?

Neither White Noise nor Hydration Bear shows ads.

### Which is updated more often, White Noise or Hydration Bear?

White Noise ships an update every 2 weeks, and Hydration Bear every 6 days. Most recently, White Noise was updated on November 6, 2026 and Hydration Bear on October 31, 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.*