# White Noise Deep Sleep Sounds vs Solid Core

The clearest difference is rating: White Noise Deep Sleep Sounds at 4.8 against Solid Core's 1.0. White Noise Deep Sleep Sounds also leads on update cadence (every 5 weeks vs every 14 months) and ratings volume (210K vs 1). Solid Core's advantage is in-app purchases (none vs 13). On price, ads and iOS requirement there is nothing between them.

Both are free to download. White Noise Deep Sleep Sounds sells 11 in-app purchases, starting at $0.99 per 7 days. Solid Core asks for nothing beyond the download.

White Noise Deep Sleep Sounds holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: White Noise Deep Sleep Sounds has 210K ratings behind it against 1, so its average is the more settled of the two.

White Noise Deep Sleep Sounds ships an update every 5 weeks, Solid Core every 14 months. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | White Noise Deep Sleep Sounds | Solid Core |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (210K ratings)](https://appshunter.io/ios/app/white-noise-deep-sleep-sounds/id1083248251/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/solid-core/id6738000669/reviews) |
| Number of ratings | **210K** | 1 |
| Positive reviews | 82.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 14 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#66** | — |
| Size | 191 MB | 11 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Slumber Studios, LLC](https://appshunter.io/developer/955092312) | [Konstantinos Anagnostakis](https://appshunter.io/developer/545699886) |

## What reviewers say

### White Noise Deep Sleep Sounds

[App page](https://appshunter.io/ios/app/white-noise-deep-sleep-sounds/id1083248251)

**Currently charting:** #66 Top Grossing · Health & Fitness, #112 Top Free · Health & Fitness (US App Store)

This app provides a variety of calming sounds to help adults and children fall asleep faster. It also aids in focus and meditation by blocking distractions and creating a relaxing atmosphere. Enjoy a wide selection of free and premium ambient audio for better rest and concentration.

**Highlights:** Calming nature sounds, Sleep association cues, Focus and meditation aid, Mixable soundscapes, Sleep timer, Background playback

**Features:** macOS Compatibility, Family Sharing, Siri integration, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Weekly) | $0.99 | per 7 days |
| Premium (Weekly) | $1.99 | per 7 days |
| Premium (Monthly) | $5.99 | per month |
| Premium (Monthly) | $5.99 | per month |
| Premium | $19.99 | per year |
| Premium | $39.99 | per year |
| Premium | $39.99 | per year |
| White Noise Machine Premium | $49.99 | per year |
| Premium (Family Sharing) | $59.99 | per year |
| Continuous Play | $4.99 | one-time |
| Everything | $12.99 | one-time |

**What reviewers like**

- 🌊 Relaxing and soothing sounds
- 🛌 Helps with sleep and relaxation
- 🔊 Wide variety of sound options
- 👶 Useful for babies and children
- 🔍 Customizable sound mixes

**What reviewers complain about**

- 💰 Expensive subscription model
- 🔒 Paywall for many sound options
- 🔁 Repetitive sound loops
- 🔋 Drains device battery quickly
- 📱 Connectivity issues with external speakers

**Reported bugs**

- Sudden app crashes
- Unexpected subscription charges
- Unreliable connectivity with smart speakers

**Requested features**

- More free sound options
- Ability to upload custom sounds
- Independent volume control for mixed sounds
- Indefinite looping for continuous playback
- Chromecast/AirPlay support


### Solid Core

[App page](https://appshunter.io/ios/app/solid-core/id6738000669)

Manage your bookings, check your remaining visits, and get information on available services. Stay updated with the latest news and offers.

**Highlights:** Make bookings, View visit balance, Access service information, Receive news updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is White Noise Deep Sleep Sounds free?

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

### Is Solid Core free?

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

### Which has better reviews, White Noise Deep Sleep Sounds or Solid Core?

White Noise Deep Sleep Sounds is rated higher. White Noise Deep Sleep Sounds averages 4.8 out of 5 from 210K ratings, while Solid Core averages 1.0 from 1 ratings.

### Do White Noise Deep Sleep Sounds or Solid Core have ads?

Neither White Noise Deep Sleep Sounds nor Solid Core shows ads.

### Which is updated more often, White Noise Deep Sleep Sounds or Solid Core?

White Noise Deep Sleep Sounds ships an update every 5 weeks, and Solid Core every 14 months. Most recently, White Noise Deep Sleep Sounds was updated on October 21, 2026 and Solid Core on October 3, 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.*