# CRCST Sterile Processing Prep vs CRCST Prep

The clearest difference is update cadence: CRCST Prep at every 3 weeks against CRCST Sterile Processing Prep's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. CRCST Sterile Processing Prep sells 1 one-off in-app purchase and CRCST Prep sells 2 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CRCST Sterile Processing Prep ships an update every 2 months, CRCST Prep every 3 weeks. The most recent releases landed on October 6, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | CRCST Sterile Processing Prep | CRCST Prep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/crcst-prep-sterile-proc/id6789258617/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 48 MB | 10 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jinyoung Lee](https://appshunter.io/developer/1880091360) | [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) |

## What reviewers say

### 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 |


### CRCST Prep

[App page](https://appshunter.io/ios/app/crcst-prep-sterile-proc/id6789258617)

Prepare for the CRCST central service technician exam with over 875 practice questions and detailed explanations. Track your progress, utilize spaced repetition, and simulate exam conditions to build confidence and improve your pass probability.

**Highlights:** 875+ practice questions, Detailed answer explanations, Daily study plan, Timed practice modes, Spaced repetition review, Progress tracking, Full-length practice exam

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CRCST Prep Weekly | $5.99 | per 7 days |
| CRCST Prep Monthly | $14.99 | per month |


## Frequently asked questions

### Is CRCST Sterile Processing Prep free?

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

### Is CRCST Prep free?

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

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

Neither CRCST Sterile Processing Prep nor CRCST Prep shows ads.

### Which is updated more often, CRCST Sterile Processing Prep or CRCST Prep?

CRCST Sterile Processing Prep ships an update every 2 months, and CRCST Prep every 3 weeks. Most recently, CRCST Sterile Processing Prep was updated on October 6, 2026 and CRCST Prep on October 22, 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.*