Blood Oxygen Monitor - OxyByte
Evolve Medical Systems, LLC Medical iPhoneiPadiPod touchApple Watch
Blood Oxygen Monitor - OxyByte is a free Medical app for iPhone and iPad by Evolve Medical Systems, LLC. Rated 3.9/5 from 9 ratings. Requires iOS 18.0.
- Rating
- 3.9
- 9 ratings
- Price
- Free
- on the App Store
- Size
- 32 MB
- Age 17+
- Updated
- Sep 23
- 2026 · v1.6
Screenshots
About Blood Oxygen Monitor - OxyByte
Blood Oxygen Monitor - OxyByte Track your blood oxygen (SpO₂), respiratory rate, peak flow, symptoms, CPAP usage, and environmental air quality - all in one beautifully simple respiratory health app. OxyByte helps you understand patterns in your breathing so you can feel informed and confident, not overwhelmed. Sync Seamlessly with Apple Health OxyByte integrates with Apple Health to import: • Blood oxygen (SpO₂) • Respiratory rate • Heart rate • Sleep data • Apple Watch readings Automatically keep your data updated from your wearables. Complete Timeline History View a structured timeline of: • Oxygen readings • Respiratory rate • Peak flow (PEF) • CPAP usage • Inhaler & medication logs • Symptom episodes See everything in one place — organized by date and time. Personalized Respiratory Stability Score OxyByte compares your recent data to your historical baseline to help you understand whether your patterns are stable or changing. Designed to highlight trends — not create unnecessary alarm. Flare-Up Trend Monitoring Track subtle shifts in: • Oxygen levels • Respiratory rate • Symptom severity • Inhaler usage • Sputum changes Early pattern awareness helps you stay proactive. Sleep Oxygen & CPAP Insights • Overnight oxygen distribution • Percent of night below 90% • Lowest oxygen recorded • CPAP adherence tracking Understand what happens while you sleep. Symptom Tracking Log: • Shortness of breath • Wheezing • Cough • Sputum amount & color • Chest tightness • Fatigue • Fever Overlay symptoms on charts to reveal meaningful connections. Outdoor Respiratory Risk Integrated Air Quality Index (AQI) data helps you understand environmental impact on your breathing. Flexible Chart Views View trends across: • 1 Day • 1 Week • 1 Month • 3 Months • 1 Year • All Time Overlay symptoms and compare metrics for deeper insight. Designed For • Asthma • COPD • Sleep apnea • Oxygen therapy users • Post-viral lung monitoring • Caregivers • Anyone tracking blood oxygen OxyByte is designed to present respiratory health information clearly and calmly — without overwhelming alerts or medical complexity. Important OxyByte is not a medical device and does not provide medical diagnosis. Always consult a qualified healthcare professional regarding medical decisions. Read full disclaimer here: https://www.oxybyte.app/disclaimer
Ratings & reviews
3.9
9 ratings
What’s new
Version 1.6 · Updated September 23, 2026
Keep your latest saved readings close with new Home Screen and Lock Screen widgets. Explore sleep breathing disturbance trends using available Apple Health data. PDF reports now include charts, making your history easier to review and share. New date-range presets simplify filtering, and exported reports now correctly match your selected period. We’ve also improved chart performance when viewing your full history, fixed freezes and crashes in analysis views, and improved Apple Watch syncing and reliability.
App privacy
The developer, Evolve Medical Systems, LLC, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: User ID, Device ID
- Usage Data: Advertising Data
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: User ID, Device ID
- Usage Data: Advertising Data
- Contact Info: Name, Email Address
- User Content: Emails or Text Messages, Customer Support
Used for: Third-Party Advertising, Developer’s Advertising or Marketing, Analytics, Product Personalization, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Usage Data: Product Interaction, Other Usage Data
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- Health & Fitness: Health, Fitness
- Contact Info: Name
Used for: Analytics, Product Personalization, App Functionality
Alternatives to Blood Oxygen Monitor - OxyByte
Looking for apps like Blood Oxygen Monitor - OxyByte? Here are 6 similar apps on the App Store. The highest rated is OxyRemote: Oxygen Monitor (5.0/5), and all 6 are free to download.
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BloodOxygenMonitor
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OxyRemote: Oxygen Monitor
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Health Bridge - Data Sync
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Blood Oxygen SpO₂ Tracker
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VidFitPro
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Trace Health: Symptom Tracker
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Blood Oxygen Monitor - OxyByte | 3.9 / 5 (9 ratings) | Free | September 23, 2026 | |
| BloodOxygenMonitor | – | Free | Sep 28, 2026 | Compare |
| OxyRemote: Oxygen Monitor | 5.0 / 5 (1) | Free | Aug 31, 2026 | Compare |
| Health Bridge - Data Sync | 5.0 / 5 (2) | Free | Oct 7, 2026 | Compare |
| Blood Oxygen SpO₂ Tracker | 3.4 / 5 (130) | Free | Aug 28, 2026 | Compare |
| VidFitPro | 5.0 / 5 (1) | Free | Mar 19, 2026 | Compare |
| Trace Health: Symptom Tracker | 4.8 / 5 (16) | Free | Oct 12, 2026 | Compare |