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74
BU Score
Strong

Schlaf Tracker

4.4 ✍️ Editor
✍️ bumetric analysis

Schlaf Tracker is an iOS app from Vimo Labs Inc. in the Health & Fitness category, currently rated 4.4★ across 8,707 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.

Our BU Score puts it at 74: 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.

📊 Performance Tracking LIVE

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idle
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Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
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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 12 of 12 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
worth every pennyREVIEW
+$2,000
bugsREVIEW
−$1,800
5 starREVIEW
+$1,800
great valueREVIEW
+$1,600
excellent appREVIEW
+$1,500
Low install base (8,707 ratings)METRIC
+$1,500
Mature app (9y old)METRIC
+$1,500
Multilingual (10 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
priceyREVIEW
−$800
Good rating (4.4★)METRIC
+$800
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
May 24
Jun 24
Aug 24
Sep 24
Oct 24
Nov 24
Dec 24
Feb 25
Mar 25
Jun 25
Jul 25
Aug 25

⭐ 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 →
💾 56 MB🔞 4+📱 iOS 10.0+🔖 v3.7.1🔄 updated 6y ago🌐 EN, FR, DE, JA, KO +5📂 Health & Fitness💰 Paid🚀 Launched 2016 (9y old)

📝 About this app

Sleep Tracker ++, also known as SleepMatic, automatically tracks your sleep from your Apple Watch like Fitbit. No buttons to press, just wear your watch to sleep. Automatically log your sleeps and naps and wakeup to see insightful sleep analysis.

- No manual start/stop tracking your sleep. It is all automatic, just wear your watch to sleep.

- All day sleep tracking. Sleep during the day? Take naps? No problem! No need to configure sleep window, no need to set when you wake up, the app auto figures out when you fall asleep. Even works for naps.

- Tunable detection. Is the detection off? You might be moving more or less than other people, you now can adjust sensitivity if our detection is off.

- See details of each night's sleep, including when you get in bed, when you fall asleep, when you wake up, when you get out of bed, and your restless/restful period during the night.

- Add notes, use #hashtag to categorize sleeps so that you can see trends and what (e.g., #coffee #party) affect your sleep.

- Manually edit sleeps up to 7 days in the past.

- See history of your past nights, weeks or months, at a glance

- Integration with HealthKit, store detected sleep data in HealthKit.

Just wear watch to bed, and in the morning get a sleep report. For Tutorial and Diagnostic guides, click "App Support" under "Reviews" tab.

🆕 What's New · v3.7.1

Update Japanese translation (Thanks 石井潤一郎!)

Profile & Insights

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

Identification

App name
Schlaf Tracker
Developer
Vimo Labs Inc.
Bundle ID
co.vimo.SleepMatic
App Store URL
Open in App Store
Category
Health & Fitness
Content rating
4+
Languages
EN, FR, DE, JA, KO, NB, RU, ZH, ES, ZH

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
$34.3K/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
https://apps.apple.com/us/app/letterloop-group-newsletters/id6468623700
Press / News
Not found

Contacts & Socials

Socials
Not found
Email
Not found
Phone
Not found
Contact page
Not found
About page
https://apps.apple.com/us/iphone/story/id1868888984
📈Ratings growth8,707 ratings+1870% lifetimeShow 3-year history estimate ▾Feb 2022Mar 2024May 2026
Tracked (58 weeks) Pre-tracking estimate (36 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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