73
BU Score
Strong
Sleep Sounds
✍️ BU Analytics Review
“
Sleep Sounds is an iOS app from Anna Koynova in the Health & Fitness category, currently rated 4.7★ across 1,938 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Our BU Score puts it at 73 — Strong (healthy traction). For a Health & Fitness app, that means healthy traction.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
creator
📊 Performance Tracking LIVE
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
Range:
💰 Forecast Revenue / mo
MODELRevenue 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 9 of 9 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Low install base (1,938 ratings)METRIC | +$1,500 | |
| Mature app (9y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| Localized (6 languages)METRIC | +$600 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🗓️ Snapshot Timeline
HISTORYEach bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →💾 22 MB🔞 4+📱 iOS 13.1+🔖 v1.9.1🔄 updated 5y ago🌐 EN, FR, DE, IT, RU +1📂 Health & Fitness💰 Paid🚀 Launched 2017 (9y old)
📝 About this app
Sounds was recorded in most beautiful places around world.
All sounds recorded with high quality stereo condenser microphones and preamps. (besides generated sounds: white pink brown noises and binaural beats)
Additional features:
Auto off timer
Reliable alarm clock
Sounds:
white noise
pink noise
unicorn music box
teddy bear music box
ballerina music box
cat purring
morning forest
creek in forest
forest
tropical jungle with tree frogs
loro park
bonfire
heavy rain
heavy thunder
distant thunder
rain under umbrella
rain near window
light rain on street
rain on city street with traffic
sea with seagull
sand beach
baltic sea beach
underwater volcano
night sea
wind in open window
wind at the door
london train station
australian subway
moscow subway
chinese bus
highway
new york silent street
highway bridge
oscillating fan
3D printer
old radio tuning
old english clock
vacuum cleaner at work
wind chimes
gong 40"
gong 38"
binaural beat 1Hz lethargic
binaural beat 2Hz deep sleep
binaural beat 3Hz dreamless
binaural beat 4Hz drowsy
binaural beat 6Hz fantasy
binaural beat 8Hz relaxed
binaural beat 12Hz conscious
binaural beat 16Hz focus
binaural beat 24Hz active
Roscoff port
Amazon rainforest at night
Pazin, Istria (Croatia) at night
Eidar river (Iceland)
All sounds recorded with high quality stereo condenser microphones and preamps. (besides generated sounds: white pink brown noises and binaural beats)
Additional features:
Auto off timer
Reliable alarm clock
Sounds:
white noise
pink noise
unicorn music box
teddy bear music box
ballerina music box
cat purring
morning forest
creek in forest
forest
tropical jungle with tree frogs
loro park
bonfire
heavy rain
heavy thunder
distant thunder
rain under umbrella
rain near window
light rain on street
rain on city street with traffic
sea with seagull
sand beach
baltic sea beach
underwater volcano
night sea
wind in open window
wind at the door
london train station
australian subway
moscow subway
chinese bus
highway
new york silent street
highway bridge
oscillating fan
3D printer
old radio tuning
old english clock
vacuum cleaner at work
wind chimes
gong 40"
gong 38"
binaural beat 1Hz lethargic
binaural beat 2Hz deep sleep
binaural beat 3Hz dreamless
binaural beat 4Hz drowsy
binaural beat 6Hz fantasy
binaural beat 8Hz relaxed
binaural beat 12Hz conscious
binaural beat 16Hz focus
binaural beat 24Hz active
Roscoff port
Amazon rainforest at night
Pazin, Istria (Croatia) at night
Eidar river (Iceland)
🆕 What's New · v1.9.1
Added Appstore description on new languages
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Sleep Sounds
- Developer
- Anna Koynova
- Bundle ID
- rb.it.SleepSoundsFull
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 4+
- Languages
- EN, FR, DE, IT, RU, ES
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- 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
- $20.2K/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
- 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
- https://apps.apple.com/us/app/letterloop-group-newsletters/id6468623700
- Press / News
- Not found
Contacts & Socials
- Socials
- Not found
- Not found
- Phone
- Not found
- Contact page
- Not found
- About page
- https://apps.apple.com/us/iphone/story/id1603519753
📈Ratings growth1,938 ratings+678% lifetimeShow 3-year history estimate ▾
Tracked (55 weeks) Pre-tracking estimate (37 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.
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