# Heart Rate, Oxygen Monitor — No Subscription, No Ad's

> Real-time heart rate and blood oxygen monitoring with a focus on privacy and charity. (iPhone/iPad app by Andy Hollings.)

- Source: https://appshunter.io/ios/app/heart-rate-oxygen-monitor/id6736942805 (this page in markdown: same URL + `.md`)
- Developer: [Andy Hollings](https://appshunter.io/developer/1772442509)
- Category: Health & Fitness, Medical
- Price: $1.99
- Age rating: 12+
- Requires: iOS 13.0 · 2 MB
- Languages: English
- Released: 2024-10-22
- Data updated: 2026-08-05
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/heart-rate-oxygen-monitor/id6736942805/reviews.md

## What is Heart Rate, Oxygen Monitor?

Heart Rate and Oxygen Monitor

Take control of your health with Heart Rate & Oxygen Monitor, a powerful heart rate and oxygen (O2) monitoring app designed to provide real-time insights into your cardiovascular well-being—all from the convenience of your wrist. Whether you're tracking your fitness, managing stress levels, or keeping an eye on your overall health, First Responder is your go-to companion for understanding your body's most vital signs.
Key Features:

1. Heart Rate Monitoring (HR)
Track your heart rate in real-time with heart rate monitoring. View accurate heart rate data on your Apple Watch and stay informed about your heart health, whether you're exercising or simply going about your day.

2. Oxygen Saturation Monitoring (O2)
Provides real-time blood oxygen (SpO2) level monitoring, displayed on the same screen as your heart rate data. Keep an eye on your oxygen levels to better understand your body's performance and detect potential health issues early.

3. Dual-Screen Health Insights
Our simple and intuitive user interface allows you to monitor both your heart rate and oxygen saturation at the same time. Visual feedback, with easy-to-read metrics, ensures you can quickly interpret your body's vital signs.

4. No Data Tracking or Sharing
At Sax Compute Ltd, privacy is our top priority. Rest assured that no data is collected, shared, or tracked. Sax Compute Ltd does not process or store any personal or health data. Your information stays on your device, completely private. You can use the app on anyone’s wrist without affecting their personal health data.

5. Charity Donation
We believe in making a difference beyond just health. 30% of the net profit from the sale of First Responder goes directly to the UK Air Ambulance charity. Every purchase helps fund life-saving services across the UK.

6. Fast Loading and User-Friendly
We know that time is precious, especially when monitoring your health. That's why Heart Rate & Oxygen Monitor is optimized for fast loading, ensuring that you can get to your vital health data in no time, without delays.

7. One-Time Purchase, No Subscriptions
Enjoy First Responder with a simple, one-time purchase. No subscriptions, no recurring fees - just a straightforward app designed to help you monitor your health and support a good cause.

Why Choose First Responder?

No tracking or data collection: Unlike many apps, we don’t track your usage or store any of your personal data. Your health information is yours, and it stays on your device.

Supporting a cause: With every purchase, you're contributing to a charity that saves lives daily. Your support helps the UK Air Ambulance service continue to operate, providing    
emergency medical services to those in need.

Real-time insights: First Responder delivers real-time monitoring for two of your body's most crucial indicators—heart rate and oxygen saturation—helping you stay informed about your health at all times.

Perfect for:

Athletes who need quick, real-time heart rate and oxygen monitoring during workouts.
Individuals who want to manage stress and keep an eye on their heart health.
Anyone concerned about their oxygen levels, especially those with underlying health conditions or respiratory concerns.
Users who value privacy and prefer apps that don’t collect or process their data.

Stay connected to your health while supporting a cause that makes a difference. With First Responder, you’ll not only be empowered with crucial health information, but you'll also contribute to life-saving services across the UK. Monitor your heart, track your oxygen, and make an impact with every use of the app and improve your health.

## Key features

- Real-time heart rate monitoring
- Blood oxygen (SpO2) level monitoring
- Dual-screen health insights
- No data tracking or sharing
- One-time purchase, no subscriptions
- Fast loading and user-friendly interface

## Chart rankings

- #200 in Top Paid · Health & Fitness (US App Store)

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/heart-rate-oxygen-monitor/id6736942805/reviews.md

### 5/5 — Awesome

*2025-01-03*

Awesome to use, simple, quick

## Frequently asked questions about Heart Rate, Oxygen Monitor

### Does Heart Rate, Oxygen Monitor have ads?

No, Heart Rate, Oxygen Monitor does not contain advertisements. The developer explicitly states 'No Subscription, No Ad's' in the subtitle and emphasizes a one-time purchase model.

### How accurate is Heart Rate, Oxygen Monitor?

The app provides real-time heart rate and blood oxygen monitoring, offering insights into cardiovascular well-being. While specific accuracy metrics are not detailed, it aims to provide accurate data from your Apple Watch.

### What devices does Heart Rate, Oxygen Monitor support?

Heart Rate, Oxygen Monitor is supported on Apple Watch, iPhone, and iPod. This allows for convenient health monitoring across multiple Apple devices.

### Is my health data private with Heart Rate, Oxygen Monitor?

Yes, privacy is a top priority. The app states that no data is collected, shared, or tracked, and all information stays on your device, remaining completely private.

### How often is Heart Rate, Oxygen Monitor updated?

The latest version is 1.2, and it was last updated on January 27, 2025. This indicates a recent update, suggesting ongoing development and support.

### What is the age rating for Heart Rate, Oxygen Monitor?

Heart Rate, Oxygen Monitor has an age rating of 12+. This is suitable for a wide range of users interested in health monitoring.

### What is the price of Heart Rate, Oxygen Monitor?

Heart Rate, Oxygen Monitor is available for a one-time purchase of $1.99. There are no subscriptions or recurring fees associated with its use.

### What charity does Heart Rate, Oxygen Monitor support?

30% of the net profit from the sale of Heart Rate, Oxygen Monitor goes directly to the UK Air Ambulance charity. This purchase helps fund life-saving services across the UK.

## Version history (last 3 releases)

### 1.2 — 2025-01-27

Product Alignment and Update to splash screen

### 1.1 — 2025-01-02

Small patch to fix deprications in WatchOs 10

### 1.0 — 2024-10-22

No release notes.

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## More apps by Andy Hollings

- [Heart Rate, Oxygen Monitor Pro](https://appshunter.io/ios/app/heart-rate-oxygen-monitor-pro/id6738628390)
- [Exif Panoramic Fixer Pro](https://appshunter.io/ios/app/exif-panoramic-fixer-pro/id6745245042)
- [Drone Locator](https://appshunter.io/ios/app/drone-locator/id6752349577)

All apps by Andy Hollings: https://appshunter.io/developer/1772442509

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-05.*