Blood Oxygen Monitor - OxyByte

Evolve Medical Systems, LLC · Medical

3.9 9 ratings Free

Independent analytics for this App Store listing. AppTracker is not affiliated with Evolve Medical Systems, LLC.

Chart standing · US

Not currently charting in this storefront.

What changed · US

Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.

Sep 28, 2026
Rating ★ 3.88 → 3.89
Sep 23, 2026
New version 1.5 → 1.6

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.

Sep 17, 2026
Rating ★ 3.86 → 3.88
Aug 26, 2026
Rating ★ 4.33 → 3.86
Aug 26, 2026
New version 1.4 → 1.5

Price & rating history · US

Reconstructed from the listing changes AppTracker has observed in this storefront. A field is charted once it has changed more than once, and each line starts at the value it moved from.

Average rating history over the observed period. 4.00 4.25 Aug 23 Sep 6 Sep 19 Oct 2 Oct 15

Average rating · ★ 3.89 now · 3 changes on record

Ratings breakdown · US

The star breakdown behind this app's rating in this storefront.

5★ 44% 4
4★ 33% 3
3★ 0% 0
2★ 11% 1
1★ 11% 1

In-app purchases · US

What this app sells inside itself, grouped by kind and priced for this storefront.

Subscriptions
Premium Weekly $5.99/ week
Premium Monthly $5.99/ month
SmartBP Premium Annual $29.99/ year
One-time purchases
Premium Ad-free Lifetime $59.99

Screenshots

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Competitors and close alternatives, as estimated by AppTracker.

About

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

What's new · 1.6

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.

Details

ReleasedMar 2026
UpdatedJun 2026
Version1.6
Size27.5 MB
RequiresiOS 18.0 or later
Age rating17+
LanguagesEnglish, French, German, Italian, Japanese, Portuguese, Spanish
PriceFree
Categories MedicalHealth & Fitness
Bundle IDcom.evolvemedsys.bloodoxygen