29
BU Score
Niche
Health Watcher: Heart & Oxygen
✍️ BU Analytics Review
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Health Watcher: Heart & Oxygen is an iOS app from HeartyTech Co., Ltd in the Health & Fitness category, currently rated 2.6★ across 5 ratings. Initial signal reads as mixed reviews — supporters praise core features while critics cite stability/value gaps.
Our BU Score puts it at 29 — Niche (micro-niche or pre-traction stage). For a Health & Fitness app, that means micro-niche or pre-traction stage.
Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.
📊 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 5 of 5 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 | |
| Below-average rating (2.6★)METRIC | −$1,500 | |
| Established app (5y old)METRIC | +$800 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (5 ratings)METRIC | −$300 |
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 →💾 16 MB🔞 4+📱 iOS 15.5+🔖 v2.0.0🔄 updated 3y ago🌐 EN📂 Health & Fitness💰 Paid🚀 Launched 2021 (5y old)
📝 About this app
The ALL-in-ONE health monitoring app for you. Keep track of your heart rate, mental stress, blood oxygen levels, HRV, and more all in one place. With this App, you can analyze your health trends and stay ahead of any changes. Stay on top of your health with this comprehensive app that provides valuable health data. Download today and take control of your health!
- Integrates management of various health information such as heart rate, psychological stress, blood oxygen, HRV, etc.
- Analysis of health indicator trends
- Easy management of health information
- Overview of personal physical condition
- Support for a healthy lifestyle.
Notice:
1. This App will read the health data on your Apple Watch through HealthKit, including: heart rate, resting heart rate, activity energy, exercise, etc., and use these data to analyze the trend of your heart rate in various scenarios.
2. The graphs, data, etc. in this App are only for reference. It cannot give you professional health advice, nor can it replace professional doctors and instruments. If you feel that there is a problem with your health, please consult a professional doctor.
- Integrates management of various health information such as heart rate, psychological stress, blood oxygen, HRV, etc.
- Analysis of health indicator trends
- Easy management of health information
- Overview of personal physical condition
- Support for a healthy lifestyle.
Notice:
1. This App will read the health data on your Apple Watch through HealthKit, including: heart rate, resting heart rate, activity energy, exercise, etc., and use these data to analyze the trend of your heart rate in various scenarios.
2. The graphs, data, etc. in this App are only for reference. It cannot give you professional health advice, nor can it replace professional doctors and instruments. If you feel that there is a problem with your health, please consult a professional doctor.
🆕 What's New · v2.0.0
1. Improve stability and user experience
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Health Watcher: Heart & Oxygen
- Developer
- HeartyTech Co., Ltd
- Bundle ID
- stress.gztech
- App Store URL
- Open in App Store
- Category
- Health & Fitness
- Content rating
- 4+
- Languages
- EN
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
- $86/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/id1701453284
📈Ratings growth5 ratings+400% lifetimeShow 3-year history estimate ▾
Tracked (6 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.
💰Pricing History$0.00 → $1.99 (+0%)
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.
