# White Noise vs Sleep Effect

The clearest difference is in-app purchases: Sleep Effect at none against White Noise's 2. Sleep Effect also leads on update cadence (fortnightly vs every 2 months). White Noise's advantage is iOS requirement (17.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. White Noise sells 2 in-app purchases, starting at $3.99 per month. Sleep Effect asks for nothing beyond the download.

White Noise ships an update every 2 months, Sleep Effect fortnightly. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | White Noise | Sleep Effect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/white-noise-deep-sleep-timer/id6759076910/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 2 MB | 324 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [PROBABILITY LLC](https://appshunter.io/developer/1482354660) | [Ahmed Nabulsi](https://appshunter.io/developer/1863897890) |

## What reviewers say

### White Noise

[App page](https://appshunter.io/ios/app/white-noise-deep-sleep-timer/id6759076910)

This app offers a variety of algorithmically generated ambient sounds to aid sleep, focus, and relaxation. Users can mix two sounds, set a sleep timer with fade-out, and enjoy a dark mode interface. It's ideal for those struggling with insomnia, needing to soothe babies, or seeking a calming background for meditation.

**Highlights:** 12 algorithmically generated sounds, Mix two sounds simultaneously, Sleep timer with gradual fade-out, Dark mode interface, Background audio playback, Focus and relaxation aid

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access | $3.99 | per month |
| Annual Access | $29.99 | per year |


### Sleep Effect

[App page](https://appshunter.io/ios/app/sleep-effect/id6762162467)

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

**In-app purchases:** none


## Frequently asked questions

### Is White Noise free?

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

### Is Sleep Effect free?

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

### Do White Noise or Sleep Effect have ads?

Neither White Noise nor Sleep Effect shows ads.

### Which is updated more often, White Noise or Sleep Effect?

White Noise ships an update every 2 months, and Sleep Effect fortnightly. Most recently, White Noise was updated on October 10, 2026 and Sleep Effect on October 11, 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.*