# CRCST Prep vs CRCST Sterile Processing Prep

The clearest difference is price: CRCST Sterile Processing Prep at Free against CRCST Prep's $19.99. CRCST Prep's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads there is nothing between them.

CRCST Sterile Processing Prep is free to download; CRCST Prep costs $19.99 up front. CRCST Sterile Processing Prep sells 1 one-off in-app purchase. CRCST Prep asks for nothing beyond the download.

## The numbers

| Metric | CRCST Prep | CRCST Sterile Processing Prep |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 61 MB | 48 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Medical Relevant Inc](https://appshunter.io/developer/1736847152) | [Jinyoung Lee](https://appshunter.io/developer/1880091360) |

## What reviewers say

### CRCST Prep

[App page](https://appshunter.io/ios/app/crcst-prep-sterile-processing/id6754696538)

**Features:** macOS Compatibility

**In-app purchases:** none


### CRCST Sterile Processing Prep

[App page](https://appshunter.io/ios/app/crcst-sterile-processing-prep/id6787889891)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CRCST Premium Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is CRCST Prep free?

CRCST Prep costs $19.99, with no in-app purchases.

### Is CRCST Sterile Processing Prep free?

CRCST Sterile Processing Prep is free to download, with in-app purchases available.

### Do CRCST Prep or CRCST Sterile Processing Prep have ads?

Neither CRCST Prep nor CRCST Sterile Processing 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.*