O2 Buddy: Blood Oxygen SpO2
No in-app products collected for this app.
| Rating | Price | |||
|---|---|---|---|---|
| United States | 96%46 | 4.57 | $0.99 | |
| Canada | 2%1 | 1.00 | CA$0.99 $0.71 | |
| Italy | 2%1 | 5.00 | €0.99 $1.14 | |
| United Arab Emirates | <1%0 | — | AED 2.99 $0.81 | |
| Afghanistan | <1%0 | — | $0.99 | |
| Antigua And Barbuda | <1%0 | — | $0.99 | |
| Anguilla | <1%0 | — | $0.99 | |
| Albania | <1%0 | — | $0.99 | |
| Armenia | <1%0 | — | $0.99 | |
| Angola | <1%0 | — | $0.99 |
Description
O₂ Buddy makes your blood oxygen readings effortless to see, understand, and track - on your iPhone, your Home Screen, and your wrist.
Your Apple Watch already measures your blood oxygen throughout the day and night. O₂ Buddy turns those readings into something you can actually use.
SEE YOUR TRENDS
Switch between 24 hours, 7 days, 30 days, and 90 days with a tap
Every day shows its full range alongside its average, so you see the whole picture - not just the last number
Watch your average rise or fall compared to the period before
DAY VS NIGHT
Compare your daytime readings against your overnight ones, side by side
Wear your watch to sleep and see how your oxygen behaves while you rest
EVERY READING IN CONTEXT
Tap any reading to see where it falls within that day
Compare it against readings taken around the same time on other days
Know instantly whether it's normal, below normal, or low
ON YOUR WRIST
A fast, glanceable Apple Watch app with your recent readings and 7-day trend
Complications in circular, rectangular, corner, and inline styles - including a color-coded gauge ring and a 7-day trend sparkline
Readings sync from your iPhone as soon as they're recorded
ON YOUR HOME SCREEN
A widget for your latest reading
A widget for your 7-day trend
LOW OXYGEN ALERTS
Optional notifications when a reading falls below a threshold you choose
PRIVATE BY DESIGN
Read-only access to Apple Health
Your data stays on your devices - never uploaded, never shared, never sold
Also includes Light, Dark, and Automatic appearance, 12- or 24-hour time, and built-in FAQs and support.
O₂ Buddy is not a medical device and is not intended to diagnose or treat any condition. Blood oxygen measurements are recorded by Apple Watch and stored in the Health app.