Blood Oxygen App Downloads & RevenueBlood Oxygen App · App Store
Blood Oxygen App is #29 in Medical Grossing in United States and charting in 13 of 30 countries we track.
Updated 9 Nov 2026 · rankings refresh through the day
DeveloperAboutMe Apps, Inc.
CategoryMedical
PriceFree
Released
Rating★ 4.6 (31k)
Version2.69
Age rating17+
First seen by us
24 Sep 2026
24 Sep 2026Installs (est.)1M+ worldwide
✏️Age rating changed📦Updated to version 2.69📦Updated to version 2.68📈Entered the top 10✏️Added hidden keywords: ecg📈Entered the top 10🆕First spotted by AppInsider🆕Its developer released another app: Blood Sugar App: Glucose level
Full timeline · 18 events
- ✏️Blood Oxygen App: age rating changed12+ → 17+
- 📦Blood Oxygen App updated to version 2.69Bug fixes.
- 📦Blood Oxygen App updated to version 2.68Bug fixes.
- 📈Blood Oxygen App entered the top 10Top Grossing · Medical · IN
- ✏️Blood Oxygen App added hidden keywords: ecgwords in the App Store's hidden keyword field (found by probing search)
- ✏️Blood Oxygen App added hidden keywords: ecgwords in the App Store's hidden keyword field (found by probing search)
- 📈Blood Oxygen App entered the top 10Top Grossing · Medical · RU
- 📈Blood Oxygen App entered the top 100Top Free · Medical · CA
- 📦Blood Oxygen App updated to version 2.67Important bug fixes. Please, try our new update!
- 📈Blood Oxygen App entered the top 100Top Free · Medical · IT
- 📈Blood Oxygen App charting in a new country in 2 chartsItaly · Saudi Arabia
- 📈Blood Oxygen App entered the top 100 in 2 chartsTop Grossing · Medical · IT · Top Grossing · Medical · SA
- 📈Blood Oxygen App entered the top 100 in 2 chartsTop Grossing · Medical · AE · Top Grossing · Medical · DE
- 📈Blood Oxygen App charting in a new country in 2 chartsUnited Arab Emirates · Germany
- 🆕Blood Oxygen App first spotted by AppInsider#23 in Top Grossing · Medical · Australia
- 📦Blood Oxygen App version 2.66No release notes
- 🆕Blood Oxygen App: its developer released another app: Blood Sugar App: Glucose level
- 🆕Blood Oxygen App 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
4.6 ★
31k ratings
Measured
Best rank now
#29
Medical GrossingMeasured
New ratings a week
25
▲ +6% vs the 2 weeks before
Measured
Blood Oxygen App on the App Store
App details
App ID
1541992656
Publisher
AboutMe Apps, Inc.
On the store since
Dec 2020
5 years on the store
Minimum OS
iOS 15.0+
iPhone 6s and later
Devices
iPhone · iPad · Watch
Content rating
17+
2 content notes below
Languages
9
EN FR DE HI IT JA PT RU ES
Size
311 MB
Also listed in
Health & Fitness
Content notesInfrequent/Mild Medical/Treatment InformationInfrequent/Mild Alcohol, Tobacco, or Drug Use or References
Blood Oxygen App 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.
Where Blood Oxygen App's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
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.
Business model: In-app purchase-led
How Blood Oxygen App makes money: subscriptions, one-off purchases and ads.
SubscriptionsIn-app purchases
Subscriptions
/mo
of revenue
Top in-app purchases · App Store US, most popular first
| 1 | Premium features (all) subscription | |
| 2 | Premium features set subscription | |
| 3 | Premium features set subscription | |
| 4 | Premium subscription | |
| 5 | Premium month subscription | |
| 6 | Premium features set subscription | |
| 7 | Premium month subscription | |
| 8 | Blood Oxygen＋Body Temperature | |
| 9 | Pulse oximeter for Apple Watch | |
| 10 | Premium month subscription |
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| United States | MedicalGrossing | #29 |
 Japan | MedicalGrossing | #43 |
 United Kingdom | MedicalGrossing | #31 |
 China | MedicalGrossing | #92 |
 France | MedicalGrossing | #38 |
| Australia | MedicalGrossing | #36 |
 Italy | MedicalGrossing | #28 |
 Canada | MedicalGrossing | #42 |
 Germany | MedicalGrossing | #89 |
 India | MedicalGrossing | #55 |
| Japan | MedicalFree | #192 |
 Brazil | MedicalGrossing | #77 |
 Russia | MedicalGrossing | #97 |
| Italy | MedicalFree | #85 |
| Canada | MedicalFree | #117 |
 Indonesia | MedicalGrossing | #94 |
| Australia | MedicalFree | #183 |
Apps near Blood Oxygen App on the chart
Medical Grossing, around #29.
Contraction Timer & Counter 9m#24
Complete Anatomy for iPhone#25
Baby Connect: Newborn Tracker#26
Johns Hopkins Antibiotic Guide#27
AMBOSS Medical Knowledge#28
ECG+ | Your Watch ECG Reader#30
Finger Blood Pressure: BP Mate#31
Anatomy 3D Atlas#32
Prego: Pregnancy Baby Tracker#33
Clarity: CBT Self Help Journal#34
Ratings
App Store, worldwide.
Rating
4.6 ★
31k ratings
Measured
Ratings
31k
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
25
▲ +6% vs the 2 weeks before
Written reviews a week
1.2
US App Store
Lifetime rating
4.6★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
75/100
faster than 90% of Medical apps
New ratings by country (5)
| Country | New ratings a week | Share | Last 2 weeks vs the 2 before |
|---|---|---|---|
| United States | 19 | 80% | ▲ +11% |
| Canada | 1.5 | 6% | – |
| Brazil | 1.2 | 5% | – |
| United Kingdom | 1 | 4% | – |
| Italy | 1 | 4% | – |
App Store ratings in the countries we track, 4-week average.
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 Blood Oxygen App
From the 60 most recent App Store reviews in the US.
Mostly negative (35% of recent reviews give 4–5 stars). People like it for being easy to use. The main complaints are about price and subscriptions, and missing features or content.
What people like
- Ease of use: “Clean design, easy to understand, nothing confusing”
Common complaints
- Price & subscription: “Wish I could get my money back!”
- Features & content: “This app does NOT track your blood oxygen levels”
- Privacy & data: “SCAM: DOES NOT MEASURE O2!!!!”
- Crashes & bugs: “Renewed but it’s not working”
About Blood Oxygen App
Monitor your blood oxygen level and heart rate effortlessly with our app and sync your Apple Watch to get alerts about low levels.*
Are you worried about your oxygen levels dropping or wondering how your activities affect your blood oxygen? Our app makes it easy to track these vital signs wherever you go.
Track and log your vital signs to share with your doctor later, or stay informed about your cardiovascular health with curated articles—all in one app.
But hang on, there's more:
• Take an oxygen test effortlessly, and conveniently record and monitor your data.
• Use your phone’s camera to estimate your heart rate and then easily log your data afterward.
• Sync and store your data in Apple Health or retrieve your blood oxygen and heart rate readings from Apple Health.
• Log and easily export your blood oxygen and heart rate data into PDF to share with your doctor.
• Regain your calm after a stressful experience by practicing box breathing, all within the app!
• Receive sleep reports to assist you in achieving your sleep goals. (requires an Apple Watch Series 3 or later with watchOS 8)
*Please be aware that to receive push notifications regarding changes in your blood oxygen level or heart rate, you will need an external device such as a pulse oximeter or a smartwatch.
Blood Oxygen App is free to download and utilize. However, users can opt for a subscription to access additional features. Your subscription will automatically renew and you’ll be billed based on the plan you choose. You can cancel your subscription at any time in the App Store.
Disclaimer: For wellness use only. The App is intended to improve your awareness of general wellness. The App can't be used for diagnostics or medical purposes. The App does not diagnose, treat, mitigate, or prevent any disease, symptom, disorder, or abnormal physical state. Always seek a health care professional or emergency services if you believe you may have a medical issue.
Terms of use: https://aboutmeapps.com/terms-of-use/
Privacy policy: https://aboutmeapps.com/privacy-policy/
Are you worried about your oxygen levels dropping or wondering how your activities affect your blood oxygen? Our app makes it easy to track these vital signs wherever you go.
Track and log your vital signs to share with your doctor later, or stay informed about your cardiovascular health with curated articles—all in one app.
But hang on, there's more:
• Take an oxygen test effortlessly, and conveniently record and monitor your data.
• Use your phone’s camera to estimate your heart rate and then easily log your data afterward.
• Sync and store your data in Apple Health or retrieve your blood oxygen and heart rate readings from Apple Health.
• Log and easily export your blood oxygen and heart rate data into PDF to share with your doctor.
• Regain your calm after a stressful experience by practicing box breathing, all within the app!
• Receive sleep reports to assist you in achieving your sleep goals. (requires an Apple Watch Series 3 or later with watchOS 8)
*Please be aware that to receive push notifications regarding changes in your blood oxygen level or heart rate, you will need an external device such as a pulse oximeter or a smartwatch.
Blood Oxygen App is free to download and utilize. However, users can opt for a subscription to access additional features. Your subscription will automatically renew and you’ll be billed based on the plan you choose. You can cancel your subscription at any time in the App Store.
Disclaimer: For wellness use only. The App is intended to improve your awareness of general wellness. The App can't be used for diagnostics or medical purposes. The App does not diagnose, treat, mitigate, or prevent any disease, symptom, disorder, or abnormal physical state. Always seek a health care professional or emergency services if you believe you may have a medical issue.
Terms of use: https://aboutmeapps.com/terms-of-use/
Privacy policy: https://aboutmeapps.com/privacy-policy/
Latest updates
2.69
Bug fixes.
2.68
Bug fixes.
2.67
Important bug fixes. Please, try our new update!
Store changes
What Blood Oxygen App changed on its store page: name, icon, screenshots, price, size, languages, requirements.
Age rating changed
12+ → 17+
