Heart Rate, Oxygen Monitor Pro
Andy Hollings
Getting the latest details from the App Store…
Andy Hollings
Getting the latest details from the App Store…
How the app presents itself on the App Store. Select a screenshot to open it full size.
Version 1.2 · 1 Feb 2026 · 8 months ago
Latest Updates and Security Patches
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
Higher on the chart is better: #1 is at the top.
Their other apps that Appulse has seen in the charts, charting ones first.
| App | Best rank now | Released | App Store |
|---|---|---|---|
 Drone LocatorNavigation · | Paid · NavigationUnited Kingdom |
First Responder is a heart rate and oxygen (SpO2) monitoring app for Apple Watch. It provides real-time monitoring of heart rate and oxygen saturation on one screen without sharing, tracking, or saving any personal data. The app is designed to prioritize user privacy, allowing it to be used on different users' devices without affecting personal health data. Key features include: Real-time heart rate and oxygen monitoring. No data tracking, saving, or sharing of any kind. Simple…
Top of Paid · Medical in United States. Heart Rate, Oxygen Monitor Pro is #60 there. Changes are over 7 days.
| #60 |
| New entry |
| Change unknown |
| #60 |
| 1 |
Sign in to see 30 days, 90 days and all history.
United States · Paid · Medical: best #60, latest #60, over 16 snapshots since 13 Oct.
Entries, big moves, #1s and new versions we've recorded.
 Exif Panoramic Fixer ProPhoto & Video · | Not charting |
 Heart Rate, Oxygen MonitorHealth & Fitness · | Not charting |