# CRCST Prep vs Quibank

The clearest difference is in-app purchases: Quibank at none against CRCST Prep's 2. Quibank also leads on update cadence (every 4 days vs every 3 weeks) and ratings volume (4 vs 1). On price, rating, ads and device support there is nothing between them.

Both are free to download. CRCST Prep sells 2 in-app purchases, starting at $5.99 per 7 days. Quibank asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for CRCST Prep against 5.0 for Quibank. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

CRCST Prep ships an update every 3 weeks, Quibank every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | CRCST Prep | Quibank |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/crcst-prep-sterile-proc/id6789258617/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/quibank/id6804125762/reviews) |
| Number of ratings | 1 | **4** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 83 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) | [Weitong Wu](https://appshunter.io/developer/6803361208) |

## What reviewers say

### 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 |


### Quibank

[App page](https://appshunter.io/ios/app/quibank/id6804125762)

Prepare for various professional licenses and certifications with a vast library of free, offline practice tests. Study in English, Simplified Chinese, or Spanish with detailed explanations and official handbook citations. Track your progress and simulate exam conditions with timed mock tests.

**Highlights:** Offline practice tests, 10,000+ free questions, Multilingual support (EN, ZH, ES), Instant feedback with explanations, Review mistakes deck, Timed mock exams, Progress tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is CRCST Prep free?

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

### Is Quibank free?

Quibank is free to download, with no in-app purchases.

### Which has better reviews, CRCST Prep or Quibank?

CRCST Prep and Quibank are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do CRCST Prep or Quibank have ads?

Neither CRCST Prep nor Quibank shows ads.

### Which is updated more often, CRCST Prep or Quibank?

CRCST Prep ships an update every 3 weeks, and Quibank every 4 days. Most recently, CRCST Prep was updated on October 31, 2026 and Quibank on October 31, 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.*