# Heart Rate Monitor Tutorial — with Signal Processing topics

> with Signal Processing topics (iPhone/iPad app by SensorBLE LLC.)

- Source: https://appshunter.io/ios/app/heart-rate-monitor-tutorial/id1610797827 (this page in markdown: same URL + `.md`)
- Developer: [SensorBLE LLC](https://appshunter.io/developer/733593885)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 7 MB
- Languages: English
- Released: 2022-02-27
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/heart-rate-monitor-tutorial/id1610797827/reviews.md

## What is Heart Rate Monitor Tutorial?

The concepts of Heart Rate measurement using reflective photoplethysmography (PPG) along with some of the basic digital signal processing (DSP) techniques are demonstrated. PPG waveforms are displayed and your heart rate is calculated. Signal processing controls are provided for experimenting with different DSP techniques on heart rate measurement. 

DSP techniques discussed in the tutorial sections include:
- recursive high-pass filter
- recursive low-pass filter
- signal source and signal to noise ratio (SNR)
- sampling rate

The main SwiftUI code for the demo is provided for reference or as a starting point for further investigation.


## Version history (last 2 releases)

### 1.1 — 2023-03-16

- minor UI fix

### 1.0 — 2022-02-27

No release notes.

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## More apps by SensorBLE LLC

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All apps by SensorBLE LLC: https://appshunter.io/developer/733593885

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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 2026-05-17.*