Sleep Apps · Review
Sleep Machine Review
A sleep app from SleepSoft LLC — rated 4.7 stars by 2,969 App Store users.
App Store rating
4.7 / 5 (2,969 ratings)
Starting price
$3.99 (one-time download)
Free tier
No
Platforms
iOS · iPadOS
Developer
SleepSoft LLC
Launched
2009
Our verdict
Sleep Machine holds a strong 4.7-star average across 2,969 App Store ratings and ranks #24 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 Machine, developed by SleepSoft LLC, is a sleep app that currently holds a strong 4.7-star average across 2,969 App Store ratings — a mid-sized app with real traction.
Its App Store listing describes it this way: “This is the official Sleep Machine ® app. " Simply the best customizable, white noise, ambient sounds, sleep app available today"!” 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
- A strong 4.7-star average across 2,969 App Store ratings — real users rate it well.
- Simple one-time price ($3.99) with no forced subscription at download.
- Ranks #24 in App Store search for "sleep sounds" — genuine visibility in its category.
- Available since 2009, with an established presence on the store.
What we don’t
- We have not yet hands-on tested this app — this review reflects store data, not editorial experience.
- A paid download means no free trial of the experience first.
- 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 (4.7 stars, 2,969 ratings)
- →Those who prefer one-time purchases over subscriptions
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
$3.99
One-time App Store purchase.
In-app purchases
Varies
Many apps in this category offer optional subscriptions — check the App Store listing for current in-app pricing.
What Sleep Machine is
Sleep Machine is a sleep app for iOS by SleepSoft LLC, first released in 2009.
In the developer's words: “This is the official Sleep Machine ® app. " Simply the best customizable, white noise, ambient sounds, sleep app available today"!”
Where Sleep Machine sits in the category
By the numbers: a strong 4.7-star average across 2,969 App Store ratings, ranking #24 in App Store search for "sleep sounds". That makes it a mid-sized app with real traction.
Store ratings are not the whole story — they skew positive across this category — but a large sample at 4.7 stars is a meaningful signal that existing users find it does what it promises.
What the listing emphasizes
“This is the official Sleep Machine ® app. " Simply the best customizable, white noise, ambient sounds, sleep app available today"!” — 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 Machine falls behind
Editorial vetting. Unlike BetterSleep or Calm, we have not yet tested Sleep Machine 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 Machine vs. the category leaders
The sleep app category is anchored by BetterSleep, Calm, Pzizz — all of which we have reviewed editorially, hands-on.
Sleep Machine's case rests on its user-rating profile (4.7 stars, 2,969 ratings) and its one-time $3.99 price. 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 Machine if its specific angle appeals — App Store ratings this positive usually mean the core experience delivers.
Bottom line
Sleep Machine earns a strong 4.7-star average across 2,969 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.
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Try Selfpause FreeAlternatives to Sleep Machine
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 Machine free?+
Sleep Machine is a one-time $3.99 purchase on the App Store, with possible in-app purchases listed on its store page.
How is Sleep Machine rated?+
It holds a 4.7-star average across 2,969 ratings on the US App Store — a mid-sized app with real traction.
Who makes Sleep Machine?+
SleepSoft LLC, who released it in 2009. 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).