Health Watcher Downloads & RevenueHealth Watcher: Heart & Oxygen · App Store
Health Watcher: Heart & Oxygen is #94 in Health & Fitness Paid in South Korea and charting in 12 of 30 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
DeveloperHeartyTech Co., Ltd
CategoryHealth & Fitness
Price1.99 EUR
Released
Rating★ 4.0 (4)
Version2.0.0
Age rating4+
First seen by us
24 Sep 2026
24 Sep 2026Installs (est.)1k+ worldwide
Health Watcher: Heart & Oxygen update history & changes
Last change · 15 events since 19 Feb 2021Full timeline ↓🚀Now shown next to Heart Rate Monitor and Pulse, Stress & Heart Rate Monitor, Heart Rate, Oxygen Monitor +5 more📈Entered the top 100📈Charting in a new country🆕First spotted by AppInsider🆕Released on the App Store
Full timeline · 14 events in the last 12 months
- 🚀Health Watcher: Heart & Oxygen: now shown next to Heart Rate Monitor and Pulse, Stress & Heart Rate Monitor, Heart Rate, Oxygen Monitor +5 morethe store's “similar apps” for it changed: who it's seen as competing with
- 📈Health Watcher: Heart & Oxygen entered the top 100Top Paid · Health & Fitness · FR
- 📈Health Watcher: Heart & Oxygen charting in a new countryFrance
- 📈Health Watcher: Heart & Oxygen entered the top 10Top Paid · Health & Fitness · TH
- 📈Health Watcher: Heart & Oxygen charting in a new country in 3 chartsArgentina · Mexico · South Africa
- 📈Health Watcher: Heart & Oxygen entered the top 100Top Paid · Health & Fitness · MY
- 📈Health Watcher: Heart & Oxygen charting in a new countryMalaysia
- 📈Health Watcher: Heart & Oxygen charting in a new country in 3 chartsColombia · Philippines · Poland
- 📈Health Watcher: Heart & Oxygen entered the top 100 in 2 chartsTop Paid · Health & Fitness · PH · Top Paid · Health & Fitness · PL
- 📈Health Watcher: Heart & Oxygen charting in a new countrySpain
- 📈Health Watcher: Heart & Oxygen charting in a new countryChina
- 📈Health Watcher: Heart & Oxygen entered the top 100Top Paid · Health & Fitness · KR
- 🆕Health Watcher: Heart & Oxygen first spotted by AppInsider#61 in Top Paid · Health & Fitness · Indonesia
- 🆕Health Watcher: Heart & Oxygen released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.0 ★
4 ratings
Measured
Best rank now
#94
Health & Fitness PaidMeasured
Health Watcher: Heart & Oxygen on the App Store
App details
App ID
1548942501
Publisher
HeartyTech Co., Ltd
On the store since
Feb 2021
5 years on the store
Minimum OS
iOS 15.5+
iPhone 6s and later
Devices
iPhone · iPad · Watch
Content rating
4+
Languages
1
EN
Size
17 MB
Also listed in
Utilities
App privacy Measured
Health Watcher: Heart & Oxygen declares it collects no data at all — the rarest and most private label on the App Store.
Declared label
Data Not Collected
As declared by the developer on the App Store — Apple requires every app to publish this label. We track changes over time.
Health Watcher: Heart & Oxygen downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| South Korea | Health & FitnessPaid | #94 |
| Indonesia | Health & FitnessPaid | #59 |
 Poland | Health & FitnessPaid | #66 |
 Thailand | Health & FitnessPaid | #64 |
 Taiwan | Health & FitnessPaid | #133 |
 Vietnam | Health & FitnessPaid | #50 |
 Spain | Health & FitnessPaid | #184 |
 Mexico | Health & FitnessPaid | #198 |
 Philippines | Health & FitnessPaid | #76 |
 Malaysia | Health & FitnessPaid | #68 |
 Colombia | Health & FitnessPaid | #176 |
 South Africa | Health & FitnessPaid | #198 |
Apps near Health Watcher: Heart & Oxygen on the chart
Health & Fitness Paid, around #94.
Ratings
App Store, worldwide.
Rating
4.0 ★
4 ratings
Measured
Ratings
4
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
under 1
4-week average
Lifetime rating
2.7★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
20/100
faster than 0% of Health & Fitness apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
What users say about Health Watcher: Heart & Oxygen
From recent reviews.
About Health Watcher: Heart & Oxygen
The ALL-in-ONE health monitoring app for your Apple Watch. 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.
Latest updates
2.0.0
This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
1. Improve stability and user experience
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