Sleep Apps · Review
Sleep Sounds by Sleep Pillow Review
A sleep app from Ipnos Software Inc. — rated 4.9 stars by 89,125 App Store users.
App Store rating
4.9 / 5 (89,125 ratings)
Starting price
Free (in-app purchases vary)
Free tier
Yes
Platforms
iOS · iPadOS
Developer
Ipnos Software Inc.
Launched
2010
Our verdict
Sleep Sounds by Sleep Pillow holds an exceptional 4.9-star average across 89,125 App Store ratings and ranks #6 in App Store search results for "sleep sounds". This is a data-driven review compiled from its store listing, pricing, and user-rating profile — we have not yet completed hands-on testing, and a full editorial review is planned.
Data-driven review: this page is compiled from App Store data — the app’s real rating average and count, pricing, search ranking, and the developer’s published description (quoted, not paraphrased). We have not yet hands-on tested this app; a full editorial review is planned. Our hands-on-tested picks are marked throughout. Unsponsored, no affiliate influence.
Sleep Sounds by Sleep Pillow, developed by Ipnos Software Inc., is a sleep app that currently holds an exceptional 4.9-star average across 89,125 App Store ratings — an established app with a substantial user base.
Its App Store listing describes it this way: “With Sleep Pillow’s sleep sounds you'll sleep tonight, guaranteed. It's the most effective & highest quality sleep app, with a multitude of hight quality sleep sounds and over 9,400,000 happy customers.” As with all listings, that is the developer's own framing — useful for understanding what the app aims to be.
This review is compiled from App Store data — the rating profile, pricing, ranking, and the developer's published description — rather than hands-on testing. We flag that openly: it tells you what the data supports, and our full editorial review will go deeper.
Pros & cons
What we like
- An exceptional 4.9-star average across 89,125 App Store ratings — real users rate it well.
- Free to download, so trying it costs nothing.
- Ranks #6 in App Store search for "sleep sounds" — genuine visibility in its category.
- Large rating base (89,125) makes the star average statistically meaningful.
What we don’t
- We have not yet hands-on tested this app — this review reflects store data, not editorial experience.
- Like most free wellness apps, expect in-app subscription offers; check current pricing before committing.
- Less editorial coverage and independent review than category leaders like BetterSleep.
Best for / avoid if
Best for
- →People browsing beyond the big names in the sleep app category
- →Users who weigh real App Store ratings heavily (4.9 stars, 89,125 ratings)
- →Anyone who wants to try options at no cost
Avoid if
- →You want a deeply vetted, hands-on-tested pick — see our editorial reviews of BetterSleep, Calm, Pzizz
- →You need clinical or therapeutic support — no consumer app provides that
Pricing
Download
Free
Free to install from the App Store.
In-app purchases
Varies
Many apps in this category offer optional subscriptions — check the App Store listing for current in-app pricing.
What Sleep Sounds by Sleep Pillow is
Sleep Sounds by Sleep Pillow is a sleep app for iOS by Ipnos Software Inc., first released in 2010.
In the developer's words: “With Sleep Pillow’s sleep sounds you'll sleep tonight, guaranteed. It's the most effective & highest quality sleep app, with a multitude of hight quality sleep sounds and over 9,400,000 happy customers.”
Where Sleep Sounds by Sleep Pillow sits in the category
By the numbers: an exceptional 4.9-star average across 89,125 App Store ratings, ranking #6 in App Store search for "sleep sounds". That makes it an established app with a substantial user base.
Store ratings are not the whole story — they skew positive across this category — but a large sample at 4.9 stars is a meaningful signal that existing users find it does what it promises.
What the listing emphasizes
“With Sleep Pillow’s sleep sounds you'll sleep tonight, guaranteed. It's the most effective & highest quality sleep app, with a multitude of hight quality sleep sounds and over 9,400,000 happy customers.” — that is the pitch, in the developer's own words.
We quote the listing rather than paraphrase it so you can judge the developer's claims for yourself. Our hands-on editorial review, when published, will test those claims.
Where Sleep Sounds by Sleep Pillow falls behind
Editorial vetting. Unlike BetterSleep or Calm, we have not yet tested Sleep Sounds by Sleep Pillow hands-on.
Transparency of in-app pricing. App Store listings often reveal subscription costs only after download — check the in-app purchases section of the listing.
Brand ecosystem. The category leaders pair their apps with large content teams and published research; smaller apps rarely match that depth.
Sleep Sounds by Sleep Pillow vs. the category leaders
The sleep app category is anchored by BetterSleep, Calm, Pzizz — all of which we have reviewed editorially, hands-on.
Sleep Sounds by Sleep Pillow's case rests on its user-rating profile (4.9 stars, 89,125 ratings) and its free download. The leaders' case rests on vetted content depth and track record.
A sensible approach: read our editorial reviews of the leaders first, and try Sleep Sounds by Sleep Pillow for free if its specific angle appeals — App Store ratings this numerous usually mean the core experience delivers.
Bottom line
Sleep Sounds by Sleep Pillow earns an exceptional 4.9-star average across 89,125 App Store ratings — real users like it. Until our hands-on review lands, treat this page as an honest data profile: strong signals, store-verified facts, and clearly marked limits.
Want a daily positivity practice in your own voice? Selfpause lets you record personalized affirmations, layer them with calming music, and keep them on your lock screen.
Try Selfpause FreeAlternatives to Sleep Sounds by Sleep Pillow
BetterSleep
4.3Build-your-own soundscapes with a generous free tier.
Read our review →
Calm
4.5Premium Sleep Stories and relaxation.
Read our review →
Pzizz
4.1Generative sleep and nap sessions.
Read our review →
Frequently asked questions
Is Sleep Sounds by Sleep Pillow free?+
Sleep Sounds by Sleep Pillow is free to download. Like most apps in this category it may offer in-app subscriptions — check the in-app purchases section of its App Store listing for current pricing.
How is Sleep Sounds by Sleep Pillow rated?+
It holds a 4.9-star average across 89,125 ratings on the US App Store — an established app with a substantial user base.
Who makes Sleep Sounds by Sleep Pillow?+
Ipnos Software Inc., who released it in 2010. The App Store listing links to the developer's site and privacy policy.
Is this a hands-on review?+
Not yet — this review is compiled from App Store data: ratings, pricing, search ranking, and the developer's published description. A full editorial review is planned. For hands-on-tested picks in this category, see our reviews of BetterSleep, Calm, Pzizz.
A note on mental health: apps and online services can support wellbeing, but they are not a substitute for professional care. If you are struggling, a licensed professional can help — and if you are in crisis, contact your local emergency number or, in the US, call or text 988 (Suicide & Crisis Lifeline).