Best Free Oximeter Apps

250+ iOS apps curated and reviewed

3.5 avg rating
20 free apps
Updated July 2026

Out of 250+ free oximeter apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Free Oximeter Apps (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Blood Oxygen LevelBlood Oxygen LevelFree4.3★ (2K)YesNoAug 2026
2Blood Oxygen AppBlood Oxygen AppFree4.6★ (31K)NoYesAug 2026
3Oximeter-HOximeter-HFree3.4★ (8)NoNoMay 2026
4Кислород в крови: ЗдоровьеКислород в крови: ЗдоровьеFree3.9★ (190)NoYesJul 2026
5Apple HealthApple HealthFree3.0★ (7.7K)NoNoAug 2026
6Pulse Oximeter for iPhonePulse Oximeter for iPhoneFreeNoYesAug 2026
7Oximeter - Track Oxygen SpO2Oximeter - Track Oxygen SpO2Free4.5★ (466)NoYesAug 2026
8PulseOximeterPulseOximeterFree1.8★ (23)NoNoJul 2026

Top Picks for Free Oximeter

Blood Oxygen Level#1

Blood Oxygen Level by Enrique Villahermosa Juara

Record pulse and oxygen level
Editor's Choice
🏥 Medical
4.3😞(2K ratings)
FreeAds
Blood Oxygen Level screenshot 1
Blood Oxygen Level screenshot 2
Blood Oxygen Level screenshot 3
Blood Oxygen Level screenshot 4
Blood Oxygen Level screenshot 5

Easily record your daily pulse and blood oxygen levels. Track your health statistics over time with simple data entry and clear visualizations. Requires an external device like a pulse oximeter or smartwatch for measurements.

What We Love

  • 👍 Simple and easy interface
  • 🚀 Impressive work
  • 💡 Helpful for recording health conditions

Room to Improve

  • 🐛 Doesn't record anything
  • 🐛 Flickering and freezing issues
  • 🔋 Ads make it unusable
Blood Oxygen App#2

Blood Oxygen App by AboutMe Apps, Inc.

SpO2 Level Monitor・Heart Rate
Strong Contender
🏥 Medical
4.6😞(31K ratings)
FreeIn-App Purchases
#24in Medical
Blood Oxygen App screenshot 1
Blood Oxygen App screenshot 2
Blood Oxygen App screenshot 3
Blood Oxygen App screenshot 4
Blood Oxygen App screenshot 5
Blood Oxygen App screenshot 6

Monitor blood oxygen levels and heart rate using your phone's camera or by syncing with your Apple Watch. Track vital signs, share data with your doctor, and access curated health articles. Includes breathing exercises and sleep reports.

What We Love

  • ⭐ Awesome app
  • ⭐ Very easy to use
  • ⭐ Helpful for monitoring health conditions
  • ⭐ Detailed data logging

Room to Improve

  • ❌ Doesn't accurately measure blood oxygen levels
  • ❌ Requires premium subscription for key features
  • ❌ Inconsistent and unreliable performance
Oximeter-H#3

Oximeter-H by 家福 张

Oximeter
Worth Considering
💪 Health & Fitness
3.4(8 ratings)
Free
Oximeter-H screenshot 1
Oximeter-H screenshot 2
Oximeter-H screenshot 3
Oximeter-H screenshot 4

This app connects to an oximeter via Bluetooth to display blood oxygen levels, heart rate, and other vital metrics. It saves historical data locally and can synchronize measurements with HealthKit for comprehensive health tracking.

More Free Oximeter apps to explore

4
Кислород в крови: Здоровье
Кислород в крови: Здоровье
Кислород в крови: Здоровье
Сатурация и уровень кислорода
Free

Track your blood oxygen saturation levels and monitor changes over time. Log additional symptoms to gain a more comprehensive understanding of your condition. Supports multiple user profiles and synchronizes with HealthKit for pulse and oxygen data.

Oxygen saturation trackingSymptom loggingHistory of changes
🏥 Medical
(190)
subscription
5
Apple Health
Apple Health
Apple Health
by Apple Inc.
Free

Consolidate and securely store your health and fitness data from various sources. Visualize trends, track progress, and gain insights into your well-being. Share information with trusted individuals and manage medications and mental health.

Centralized health data storageVisualize health data with chartsTrack steps, sleep, and vitals
💪 Health & Fitness
(7.7K)
free
6
Pulse Oximeter for iPhone
Pulse Oximeter for iPhone
Pulse Oximeter for iPhone
Heart Rate Monitor & Pulse
Free

Track your blood oxygen levels and heart rate with this health monitoring tool. It syncs with health platforms, supports manual entry, and provides clear visual indicators of your readings. Upgrade for unlimited history and detailed analytics.

Blood oxygen level trackingHeart rate monitoringHealth data platform sync
🏥 Medical
(0)
free with in-app purchases
7
Oximeter - Track Oxygen SpO2
Oximeter - Track Oxygen SpO2
Oximeter - Track Oxygen SpO2
Blood O2 Monitor Tracker
Free

Monitor and record your blood oxygen saturation (SpO2) levels with this personal health tracking app. It offers detailed analytics, daily wellness guides, and data export options. Sync your health data with Apple Health for a comprehensive overview.

Display, record, and view SpO2 dataDetailed analytics with data spikesNutrition and meditation guides
💪 Health & Fitness
(466)
free with in-app purchases
8
PulseOximeter
PulseOximeter
PulseOximeter
by Custom Software & Electronics
Free

Monitor vital health metrics like blood oxygen saturation, pulse rate, and respiration rate. This application requires a certified CSE Medical pulse oximeter device for operation.

Bluetooth connectivityBlood oxygen saturation monitoring (%SpO2)Pulse rate tracking
🏥 Medical
(23)
free
9
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Heart Rate Monitor - Pulse BPM
Pulse: Step,Health HR&Oximeter
Free

Easily monitor your heart rate, track steps, and record vital health metrics like blood pressure and body temperature. Save and visualize your health data, set reminders, and share your progress with friends and family. This app provides convenient health insights for daily well-being.

Measure heart rate anywhereTrack steps, blood pressure, and body temperatureSave and visualize health data
💪 Health & Fitness
(130K)
freemium
10
Beyond Oximeter
Beyond Oximeter
Beyond Oximeter
by Intelliworks, LLC
Free

Monitor your vital signs like SpO2, pulse, and respiratory rate in real-time. Record, share, and view trend graphs of your measurements. Requires a Bluetooth-enabled device to function.

Real-time SpO2 and pulse rate monitoringRespiratory rate and PI trackingVital sign trend graphs
💪 Health & Fitness
(76)
free
11
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Blood Oxygen | O2 Monitor app+
Saturation Level + Pulse Rate
Free

Track your blood oxygen saturation (SpO2) and pulse rate daily. Log readings from your oximeter, monitor your normal range, and stay informed about your health. Features include a log diary, multi-profile support, and Apple Health synchronization.

Log oxygen saturation (SpO2) and pulse rateFast and accurate pulse measurementMulti-profile support for family members
🏥 Medical
(424)
freemium
12
Pulse Plus: Heart Rate Monitor
Pulse Plus: Heart Rate Monitor
Pulse Plus: Heart Rate Monitor
Blood Pressure・Oxygen Tracker
Free

Track your heart rate using your phone's camera with this easy-to-use app. It utilizes photoplethysmography to provide accurate pulse measurements and visualizes your data over time. Integrate with Apple Health and receive reminders to stay on top of your fitness goals.

Heart rate measurement via phone cameraPhotoplethysmography (PPG) technologyPersonalized measurement history dashboard
💪 Health & Fitness
(3.6K)
subscription
13
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Hearty : Heart Rate,Stress, BP
Blood Pressure, Sleep & SpO2
Free

This app uses AI and your device's camera to monitor vital health metrics like heart rate, blood pressure, and stress levels. It provides detailed visual insights and personalized analysis to help you understand your well-being. Integrates with Apple Health for comprehensive tracking.

AI health analysisCamera pulse measurementBlood pressure tracking
💪 Health & Fitness
(7.5K)
free with in-app purchases
14
Blood Pressure Log for Omron
Blood Pressure Log for Omron
Blood Pressure Log for Omron
BP Tracker Pulse Diary Connect
Free

Easily log blood pressure, pulse, and heart rate readings. Sync data automatically from Omron devices, track trends with smart insights, and set helpful reminders. Export clear reports for healthcare professionals.

Simple BP loggingOmron device integrationSmart trend insights
💪 Health & Fitness
(8)
free with in-app purchases
15
LOOKEE
LOOKEE
LOOKEE
Sleep Oxygen & ECG Tracking
Free
💪 Health & Fitness
(0)
16
MyKi Oxi
MyKi Oxi
MyKi Oxi
by SHELLY EUROPE EOOD
Free
💪 Health & Fitness
(0)
17
MtM MtConnect04 Pulse Oximeter
MtM MtConnect04 Pulse Oximeter
MtM MtConnect04 Pulse Oximeter
by MtM Technology Corporation
Free

This app evaluates a development kit for measuring pulse and SpO2. It displays raw PPG sensor data in graphs and connects with specific MtM modules. Designed for developers and researchers.

Pulse and SpO2 measurement evaluationRaw PPG sensor data visualizationDevelopment kit compatibility
💪 Health & Fitness
(0)
free
18
OxiTone
OxiTone
OxiTone
A closure focus
Free

This app allows users to monitor vital physiological data, including blood oxygen levels and pulse rate. It also tracks oxygen usage and includes a health assessment questionnaire. Data can be input manually or synced with compatible medical devices.

Track blood oxygen level (SpO2)Monitor pulse rateRecord activity levels
🏥 Medical
(1)
free
19
CP Care
CP Care
CP Care
app with cloud access
Free

This app displays and uploads data from a specific branded oximeter to the cloud. It allows for user account management and the creation of member profiles.

Display oximeter dataUpload data to cloudUser account management
💪 Health & Fitness
(15)
free
20
Oxyg'App
Oxyg'App
Oxyg'App
PulseOx: Confounding factors
Free
📚 Education
(0)

FAQ about Free Oximeter

What are the best free oximeter apps for iPhone?
Blood Oxygen Level tops our free oximeter apps ranking as of July 2026, with a 4.3-star average from 2K App Store ratings, and it's free to download.
Blood Oxygen Level shows ads and has no in-app purchases, according to its App Store listing as of July 2026.
We track 250+ free oximeter apps on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to record your pulse and blood oxygen level measurements daily. It provides a simple way to log this data and view your health statistics over time through clear visualizations.
The app requires an external device, such as a pulse oximeter or a smartwatch, to record your blood oxygen level and heart rate. You will need to use this external device to take your measurements and then manually enter them into the app.