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O₂ Buddy: Blood Oxygen

O₂ Buddy: Blood Oxygen

By Minorbits

O₂ Buddy is a Health & Fitness utility designed to provide quick access to blood oxygen (SpO₂) data via Apple Watch. The app claims to streamline health monitoring by syncing directly with HealthKit to display recent readings and daily wellness trends.

Overview · Full Intel report in progress

The App DNA

What makes this app unique?

For Individuals tracking sleep, fitness, or general wellness who use Apple Watch for health monitoring.

Key features

HealthKit Integrationstandard

Automatically syncs and stores SpO₂ samples directly from Apple’s secure HealthKit storage.

Real-time Data Visualizationstandard

Displays the latest 25 blood oxygen readings through clear, glanceable charts.

Daily Trend Analysisstandard

Provides a comparison of today versus yesterday to help users monitor wellness trends.

Apple Watch Optimizationstandard

Designed as a lightweight, fast interface specifically for immediate viewing on the wrist.

How much does it cost?

paid

Velocity

Intense developmentShow more...

3 versions in history. Development pace: intense.

See all version history

Who built it?

Minorbits

5 apps tracked · Health & Fitness

WristmateWristmateObtain: Weight TrackerObtain: Weight TrackerYT LinkYT LinkStridePal - Step CounterStridePal - Step Counter
Explore the full publisher profile

User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
4.57 · 37

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for O₂ Buddy: Blood Oxygen

How's the Health & Fitness market?

The rivals identified

Blood Sugar - Diabetes App

By QR Code Scanner.

Both apps target health-conscious users seeking to track specific physiological metrics via mobile devices. They compete for the same user attention within the health utility category.

  • Blood Sugar - Diabetes App provides unit conversion for glucose, while O₂ Buddy focuses exclusively on SpO₂ metrics.
  • Blood Sugar - Diabetes App includes educational content for diabetes prevention, whereas O₂ Buddy limits its scope to data visualization.
  • Blood Sugar - Diabetes App supports manual tagging for measurement states like fasting, which O₂ Buddy lacks.
O₂ Buddy: Blood Oxygen vs Blood Sugar - Diabetes App
Show 2 more

Unlock the head-to-head verdict: where this rival wins, and where it loses.

Access the full report for free

The Analyst's Read

Key takeaways for O₂ Buddy: Blood Oxygen

Where is it heading?

Bottom line

O₂ Buddy is a focused, paid utility that prioritizes local data privacy and rapid access to SpO₂ metrics on Apple Watch.

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by O₂ Buddy: Blood Oxygen, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “O₂ Buddy: Blood Oxygen Intelligence Report.” Updated Apr 23, 2026. https://marlvel.ai/apps/com-minorbits-bloodo2

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