# PRESTAN CPR Feedback App vs Sleep Tech Audio Lectures

The clearest difference is price: PRESTAN CPR Feedback App at Free against Sleep Tech Audio Lectures's $107.99. PRESTAN CPR Feedback App also leads on update cadence (every 3 months vs every 9 months). Sleep Tech Audio Lectures's advantage is iOS requirement (15.1 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

PRESTAN CPR Feedback App is free to download; Sleep Tech Audio Lectures costs $107.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PRESTAN CPR Feedback App ships an update every 3 months, Sleep Tech Audio Lectures every 9 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | PRESTAN CPR Feedback App | Sleep Tech Audio Lectures |
| --- | --- | --- |
| Price | **Free** | $107.99 |
| Rating | **[3.8 (6 ratings)](https://appshunter.io/ios/app/prestan-cpr-feedback-app/id1623394627/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 14.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 9 months |
| Monetization | Free | — |
| Size | 5 MB | 142 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Prestan Products LLC](https://appshunter.io/developer/1623394629) | [RTS Publishing Co Inc](https://appshunter.io/developer/604916069) |

## What reviewers say

### PRESTAN CPR Feedback App

[App page](https://appshunter.io/ios/app/prestan-cpr-feedback-app/id1623394627)

This app provides real-time, advanced CPR feedback for training purposes. It connects via Bluetooth to a specific manikin to monitor rate, depth, recoil, ventilation, and compression fraction, helping students build confidence.

**Highlights:** Real-time CPR feedback, Bluetooth connectivity, Monitors rate, depth, and recoil, Tracks ventilation and compression fraction, Builds student confidence, Instructor performance monitoring

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Sleep Tech Audio Lectures

[App page](https://appshunter.io/ios/app/sleep-tech-audio-lectures/id6745153675)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PRESTAN CPR Feedback App free?

PRESTAN CPR Feedback App is free to download, with no in-app purchases.

### Is Sleep Tech Audio Lectures free?

Sleep Tech Audio Lectures costs $107.99, with no in-app purchases.

### Do PRESTAN CPR Feedback App or Sleep Tech Audio Lectures have ads?

Neither PRESTAN CPR Feedback App nor Sleep Tech Audio Lectures shows ads.

### Which is updated more often, PRESTAN CPR Feedback App or Sleep Tech Audio Lectures?

PRESTAN CPR Feedback App ships an update every 3 months, and Sleep Tech Audio Lectures every 9 months. Most recently, PRESTAN CPR Feedback App was updated on October 24, 2026 and Sleep Tech Audio Lectures on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*