Best Oxygen X Apps & Games

57+ iOS apps & games curated and reviewed

4.1 avg rating
20 free apps & games
Updated May 2026

Looking for free oxygen x apps and games? 20 of our 57+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Oxygen X

More Oxygen X apps to explore

4
My Pulse: Heart Rate Monitor
My Pulse: Heart Rate Monitor
My Pulse: Heart Rate Monitor
Health, Blood pressure, Oxygen
Free

Track your heart rate, blood pressure, and blood oxygen levels directly from your iPhone. Log vital metrics, monitor your BMI, and access a knowledge hub for heart health. Secure data storage and Apple Watch integration ensure convenient health management.

Heart rate monitoring via cameraLog blood pressure and oxygen levelsBMI calculation and tracking
💪 Health & Fitness
(1.8K)
freemium
5
Blood Oxygen App
Blood Oxygen App
Blood Oxygen App
SpO2 Level Monitor・Heart Rate
Free

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.

Blood oxygen monitoringHeart rate estimation via cameraApple Watch sync
🏥 Medical
(31K)
freemium
6
Blood Oxygen Level
Blood Oxygen Level
Blood Oxygen Level
Record pulse and oxygen level
Free

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.

Record pulse measurementsRecord blood oxygen levelsDaily measurement tracking
🏥 Medical
(1.8K)
ad-supported
7
StressWatch: AI Stress Monitor
StressWatch: AI Stress Monitor
StressWatch: AI Stress Monitor
HRV & Habit Tracker for Watch
Free

This app uses your Apple Watch data to monitor stress levels through heart rate variability. It helps you build healthier habits, improve sleep, and understand your body's response to daily activities, aiming to lower your Bio Age.

Real-time stress monitoring via Apple WatchHeart Rate Variability (HRV) analysisHabit tracking for better wellbeing
💪 Health & Fitness
(21K)
freemium
8
Blood Oxygen App+
Blood Oxygen App+
Blood Oxygen App+
Heart Rate Monitor Diary
Free

Easily track and monitor your blood oxygen levels and heart rate with a modern, user-friendly interface. Log your measurements, access recent data, and export your records for personal tracking.

Track blood oxygen levelMonitor heart rateLog measurements
🏥 Medical
(471)
free with in-app purchases
9
HealthWell - Blood Pressure
HealthWell - Blood Pressure
HealthWell - Blood Pressure
Heart Rate & Blood Pressure
Free

Monitor your vital health metrics like heart rate, blood pressure, blood sugar, and blood oxygen using your phone's camera and manual logging. Track trends, view charts, and receive lifestyle suggestions to manage your well-being.

Heart rate measurement via cameraBlood pressure trackingBlood sugar recording
💪 Health & Fitness
(403)
freemium
10
TerraGenesis - Space Settlers
TerraGenesis - Space Settlers
TerraGenesis - Space Settlers
Terraform Universe Planets
Free

Simulate the terraforming of planets using real scientific principles. Cultivate life, manage resources, and build civilizations on various worlds, from our solar system to fictional planets and moons. Encounter alien life and defend your settlements from cosmic threats.

Idle planet building simulatorReal science from NASATerraform planets and moons
🎮 Games
(32K)
free with in-app purchases
11
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
(128K)
freemium
12
OKX: Buy Bitcoin BTC & Crypto
OKX: Buy Bitcoin BTC & Crypto
OKX: Buy Bitcoin BTC & Crypto
Bitcoin, Crypto, & Web3 Wallet
Free

Buy, sell, and trade Bitcoin, Ethereum, and a wide range of cryptocurrencies with a leading global exchange. Manage digital assets, discover collectibles, and access Web3 features with advanced security and trading tools.

Buy and sell Bitcoin and cryptoTrade thousands of digital assetsManage CEX and DEX in one app
💰 Finance
(22K)
free with in-app purchases
13
OxyCalc
OxyCalc
OxyCalc
by Zachariah Lowe
Free

This essential medical tool helps critical care teams instantly estimate, plan, and track oxygen needs for patients during air and ground transport. It accounts for various factors like altitude, transport time, and equipment type to ensure sufficient oxygen supply.

Calculate oxygen demand with altitude adjustmentSupports PTLOX, compressed gas tanks, and wall O₂Instant O₂ balance for entire mission
🏥 Medical
(12)
free
14
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
15
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte
SpO2 Respiration Health O2 App
Free

Monitor blood oxygen, respiratory rate, and symptoms with this respiratory health app. It syncs with Apple Health, provides detailed historical data, and offers insights into breathing patterns and environmental factors.

Blood oxygen (SpO₂) trackingRespiratory rate monitoringSymptom logging
🏥 Medical
(0)
free with in-app purchases
16
Telegram Messenger
Telegram Messenger
Telegram Messenger
Fast. Secure. Powerful.
Free

A fast, secure, and powerful instant messaging app synced across all devices. It offers unlimited media and file sharing, robust encryption, and extensive group chat capabilities. Enjoy a simple, private, and customizable communication experience.

Cross-device synchronizationUnlimited file and media sharingEnd-to-end encrypted secret chats
🌐 Social Networking
(272K)
free with in-app purchases
17
Aithre Connect
Aithre Connect
Aithre Connect
Air & Health at Altitude
Free

Monitor and manage aviation-specific health and environmental data. Track oxygen levels, carbon monoxide, and turbulence for enhanced flight safety and comfort. Integrates with various hardware devices for real-time insights.

Oxygen system managementPulse oximetry monitoringCarbon monoxide detection
💪 Health & Fitness
(1)
free
18
Watch
Watch
Watch
by Apple Inc.
Free

Manage your Apple Watch by pairing it with your iPhone. Customize watch faces, app notifications, and the Dock. Sync photos, music, and podcasts for offline use. Discover and download new apps and watch faces from the App Store.

Pair Apple Watch with iPhoneCustomize watch faces and notificationsArrange apps in the Dock
🔧 Utilities
(8.5K)
free with in-app purchases
19
Oximeter-H
Oximeter-H
Oximeter-H
Oximeter
Free

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.

Bluetooth oximeter connectionReal-time vital sign displayHistorical measurement records
💪 Health & Fitness
(8)
free
20
Blood Oxygen Level: Analyzer
Blood Oxygen Level: Analyzer
Blood Oxygen Level: Analyzer
O2, pulse calculator: Tracker
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
(28)
subscription