# 3300 PWA

> Bluetooth pulse oximeter companion app for tracking SpO2 and pulse rate. (iPhone/iPad app by Nonin Medical Inc..)

- Source: https://appshunter.io/ios/app/3300-pwa/id1235038171 (this page in markdown: same URL + `.md`)
- Developer: [Nonin Medical Inc.](https://appshunter.io/developer/684979075)
- Category: Medical
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 17+
- Requires: iOS 8.0 · 3 MB
- Languages: American English
- Released: 2017-05-24
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/3300-pwa/id1235038171/reviews.md

## What is 3300 PWA?

The Nonin 3300TM application is only for use with the Nonin 3300 Bluetooth® pulse oximeter.

Nonin Medical, the leader in fingertip pulse oximetry, introduces a wireless Bluetooth® pulse oximeter with Pulse Wave Velocity for use with iPhone, iPad, and iPod touch. The Nonin 3300TM Bluetooth® Pulse Oximeter, combined with this application, allows you to noninvasively track and trend functional oxygen saturation, pulse rate, estimated pulse transit time for calculating pulse wave velocity and ejection index – for health professionals and research use.

Features:
- Calculate PWV = distance/ePTT
- View real-time SpO2and Pulse Rate measurements.
- Display trended graphs of SpO2 and Pulse Rate (swipe the main screen to switch views).

Measurements:
- %SpO2 - displays level of functional blood oxygenation as a percentage.
- Pulse Rate - displays in beats per minute.
- PWV – displays Pulse Wave Velocity
- ePTT - displays the estimated pulse transit time
- Ejection Index – displays estimated time of blood flowing out of the heart.

Visit www.nonin.com for information about how to purchase a Nonin 3300 Bluetooth® Pulse Oximeter to work with this application.

## Key features

- Real-time SpO2 and Pulse Rate
- Trended graphs of SpO2 and Pulse Rate
- Calculate Pulse Wave Velocity (PWV)
- Display estimated pulse transit time (ePTT)
- Display Ejection Index


## Frequently asked questions about 3300 PWA

### What is 3300 PWA used for?

3300 PWA is designed to work exclusively with the Nonin 3300 Bluetooth pulse oximeter. It allows users to track and trend functional oxygen saturation (%SpO2), pulse rate, and other cardiovascular metrics like Pulse Wave Velocity (PWV).

### What devices does 3300 PWA support?

3300 PWA is compatible with iPhone, iPad, and iPod touch devices.

### Is 3300 PWA free to download?

Yes, 3300 PWA is available for free download. However, it requires the purchase of a separate Nonin 3300 Bluetooth Pulse Oximeter device to function.

### What measurements can 3300 PWA display?

The app displays %SpO2 (functional blood oxygenation), Pulse Rate (beats per minute), PWV (Pulse Wave Velocity), ePTT (estimated pulse transit time), and Ejection Index (estimated time of blood flowing out of the heart).

### How often is 3300 PWA updated?

The latest version of 3300 PWA is 1.1, which was released on June 6, 2017. The app has not received updates since then.

### What is the age rating for 3300 PWA?

3300 PWA has an age rating of 17+, indicating it is intended for mature users.

### Does 3300 PWA have ads?

No, 3300 PWA does not contain advertisements.

### What is the user sentiment for 3300 PWA?

Based on the available data, 3300 PWA has a rating of 4.0 stars from 1 rating, suggesting a generally positive but limited user reception.

## Version history (last 2 releases)

### 1.1 — 2017-06-06

This app has been updated by Apple to display the Apple Watch app icon.

Minor bug fix

### 1.0 — 2017-05-24

No release notes.

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## More apps by Nonin Medical Inc.

- [NoninConnect](https://appshunter.io/ios/app/noninconnect/id684979072)
- [Nonin Health](https://appshunter.io/ios/app/nonin-health/id6502900928)

All apps by Nonin Medical Inc.: https://appshunter.io/developer/684979075

## Related topics

[3300 pwa](https://appshunter.io/ios/topics/3300-pwa)

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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 2026-07-07.*