O2 Buddy 2.1.1

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.

AT A GLANCE
o Your latest reading, a Last Night summary, and today's average and low on one screen
o Every reading is grouped as Typical, Lower, or Low, so you know where it falls instantly

SEE YOUR TRENDS
o Switch between 24 hours, 7 days, 30 days, and 90 days with a tap
o Every day shows its full range alongside its average, so you see the whole picture - not just the last number
o Watch your average rise or fall compared to the period before

DAY VS NIGHT
o Compare your daytime readings against your overnight ones, side by side
o If you track sleep in Health, "night" means asleep - and each night is counted on the morning it ends, not split at midnight

INSIGHTS
o Time in range: how much of your period was Typical, Lower, or Low
o Your pattern by hour of day, and your lowest readings

EVERY READING IN CONTEXT
o Tap any reading to see where it falls within that day
o See your heart rate from the five minutes before and after, and your breathing rate when it was measured
o Compare it against readings taken around the same time on other days

SHARE WITH YOUR DOCTOR
o Export a clean PDF report or a spreadsheet of up to 90 days of readings
o Reports are created on your iPhone and only leave it if you choose to share them

ON YOUR WRIST
o A fast, glanceable Apple Watch app: your latest reading, then a 7-day trend with daily ranges
o Your last 100 readings on the wrist
o Complications in circular, rectangular, corner, and inline styles - including a color-coded gauge ring and a 7-day trend sparkline

ON YOUR HOME SCREEN
o A widget for your latest reading
o A widget for your 7-day trend

LOW READING NOTICES
o Optional notifications when a reading falls below a threshold you choose
o Readings that arrive together after you unlock your iPhone become one summary, with the time each was taken

PRIVATE BY DESIGN
o Read-only access to Apple Health
o Your data stays on your devices - never uploaded, never shared, never sold

O2 BUDDY PRO
Readings and today's overview are free. Trends, Day vs Night, low reading notices, the full Watch app and complications, vitals, Insights, and Export are part of O2 Buddy Pro - a single one-time purchase, not a subscription. If you bought O2 Buddy before version 2.0, everything you already had stays yours at no cost, and the 2.0 additions are offered at a reduced founder price. An optional tip jar is also available; tips unlock nothing.

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.