# Sleep Tech Audio Lectures vs Sleep Tech RPSGT Prep

The clearest difference is price: Sleep Tech RPSGT Prep at Free against Sleep Tech Audio Lectures's $107.99. Sleep Tech RPSGT Prep also leads on iOS requirement (13.0 vs 15.1). Sleep Tech Audio Lectures's advantage is in-app purchases (none vs 4). On ads and device support there is nothing between them.

Sleep Tech RPSGT Prep is free to download; Sleep Tech Audio Lectures costs $107.99 up front. Sleep Tech RPSGT Prep sells 4 in-app purchases, starting at $4.99 per 7 days. Sleep Tech Audio Lectures asks for nothing beyond the download.

## The numbers

| Metric | Sleep Tech Audio Lectures | Sleep Tech RPSGT Prep |
| --- | --- | --- |
| Price | $107.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Size | 142 MB | 25 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [RTS Publishing Co Inc](https://appshunter.io/developer/604916069) | [FLY SKY PTY LTD](https://appshunter.io/developer/1838696534) |

## What reviewers say

### 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


### Sleep Tech RPSGT Prep

[App page](https://appshunter.io/ios/app/sleep-tech-rpsgt-prep/id6779027818)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sleep Tech Weekly | $4.99 | per 7 days |
| Sleep Tech Monthly | $12.99 | per month |
| Sleep Tech Yearly | $39.99 | per year |
| Sleep Tech Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Sleep Tech Audio Lectures free?

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

### Is Sleep Tech RPSGT Prep free?

Sleep Tech RPSGT Prep is free to download, with in-app purchases available.

### Do Sleep Tech Audio Lectures or Sleep Tech RPSGT Prep have ads?

Neither Sleep Tech Audio Lectures nor Sleep Tech RPSGT Prep shows ads.

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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.*