📊 29K iOS Apps Tracked Updated 1 min ago ⚡ Revenue Forecasts
Create Account 🔑 Sign In
Home ⚡ Optimize
67
BU Score
Solid

Sleep Worlds: Sounds & Stories

4.5 ✍️ Editor
✍️ BU Analytics Review

Sleep Worlds: Sounds & Stories is an iOS app from Sleep Worlds Inc. in the Health & Fitness category, currently rated 4.5★ across 299 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.

Our BU Score puts it at 67Solid (established niche player). For a Health & Fitness app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

📊 Performance Tracking LIVE

Loading…
idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
5 starREVIEW
+$1,800
highly recommendREVIEW
+$1,400
Good rating (4.5★)METRIC
+$800
Ad-supported / freemiumMETRIC
+$600
Early-stage install base (299 ratings)METRIC
+$400
Single-language (English only)METRIC
−$400
Growing app (2y old)METRIC
+$200
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Apr 25
May 25
Jun 25
Jul 25
Aug 25
Sep 25
Oct 25
Nov 25
Dec 25
Jan 26
Feb 26
Mar 26

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 213 MB🔞 4+📱 iOS 14.0+🔖 v1.8.12🔄 updated 1mo ago🌐 EN📂 Health & Fitness💰 Paid🚀 Launched 2023 (2y old)

📝 About this app

SLEEP WORLDS: THE MOST BEAUTIFUL WAY TO FALL ASLEEP

Drift off to sleep with unique audio journeys that change every night
With acclaimed actress Hayley Atwell as creative director, who also conceived and voices two of our immersive worlds.

A DIFFERENT KIND OF SLEEP EXPERIENCE

Sleep Worlds isn't meditation or guided relaxation. It's richly detailed storytelling designed specifically for sleep - sophisticated enough to engage your mind, soothing enough to let you drift away. Written by acclaimed novelists and poets, each world gives you something textured to settle into.
Think of it as a game you play by sleeping.

FULLY IMMERSIVE 3D AUDIO

Every world is built in stunning spatial audio. Rain moving around you at the Hotel de Luge. Ocean waves shifting perspective in the Archipelago. The isolated stillness of a mountain cabin at The Lookout. The gentle passing of a toy train through Tiny City. Combined with literary-quality narration, these aren't just soundscapes, they're comforting places you'll want to revisit again and again.

KEY FEATURES:

Star-Quality Narration: Worlds conceived and voiced by Hayley Atwell, plus acclaimed voice talent including Eve Lewis
Literary Quality: Stories crafted by renowned writers including Editor-in-Chief Emily Berry, Joe Dunthorne, and Katharine Kilalea
7 Unique Worlds: Each with its own atmosphere, characters, and stories
Content That Evolves: Every night brings subtle variations - familiar yet always fresh
Multiple Narrators: Choose your favorite voice from up to three narrators per world
Customizable Duration: Set narration from 5 minutes to continuous all-night play
Beautiful Visuals: Subtly changing environments each time you visit

DISCOVER YOUR WORLD

The fog-shrouded villages of the Archipelago (with fog whales). The rain-soaked Hotel de Luge. The mountain solitude of The Lookout. The infinite Archive-of-All-in-All. The global community of Radio Anywhere's CB enthusiasts. The miniature charm of Tiny City. Find your perfect sleep destination.

BEAUTIFULLY SIMPLE

We've stripped away unnecessary features like sleep tracking to create an elegantly simple experience. Just open the app, select your world, and drift away to immersive soundscapes including rain sounds, ocean waves, white noise, radio static, and thunderstorms.
Sleep Worlds is available with a 7-day free trial, currently offering 50% off our full subscription price.

Goodnight, Sleep Worlds.
Terms of Service: https://sleepworlds.app/terms-conditions/
Privacy Policy: https://sleepworlds.com/privacy-policy/

🆕 What's New · v1.8.12

Bug fixes and improvements.

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Sleep Worlds: Sounds & Stories
Developer
Sleep Worlds Inc.
Bundle ID
com.sleepworlds
App Store URL
Open in App Store
Category
Health & Fitness
Content rating
4+
Languages
EN

Company

Website
Not found
Tagline
Sleep Worlds | The most beautiful way to fall asleep.
Description
Sleep Worlds uses sound and spoken word to create the ultimate bedtime experience. Written by poets and novelists, these worlds evolve every night, with new material added all the time. So you can come back to your favorite world again, and again, and again …
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
OG image

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$18.5K/mo
Top-grossing rank
Outside top 100 in US Health & Fitness
All-time revenue
Not found
Pricing
Not found

Founder

Name
Not found
X / Twitter
Not found
LinkedIn
Not found
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
Not found
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
support@sleepworlds.com
Phone
Not found
Contact page
Not found
About page
Not found
📈Ratings growth299 ratings+3638% lifetimeShow 3-year history estimate ▾Jun 2023Sep 2025May 2026
Tracked (50 weeks) Pre-tracking estimate (35 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.

More Health & Fitness