# 문어 CBT vs 데이프렙

The clearest difference is in-app purchases: 데이프렙 at none against 문어 CBT's 4. 데이프렙 also leads on review sentiment (100% vs 67%) and iOS requirement (15.1 vs 17.0). 문어 CBT's advantage is ads (none vs shown). On price, update cadence, monetization model and device support there is nothing between them.

Both are free to download. 문어 CBT sells 4 one-off in-app purchases. 데이프렙 asks for nothing beyond the download.

문어 CBT ships an update weekly, 데이프렙 every 5 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 문어 CBT | 데이프렙 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 78 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [mooneolab](https://appshunter.io/developer/1896763449) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### 문어 CBT

[App page](https://appshunter.io/ios/app/cbt/id6770780669)

This app provides practice questions and mock exams for IT certification candidates. It offers a comprehensive learning path from problem-solving to reviewing incorrect answers and tracking progress, all in one place. It supports various IT certifications like SQLD, ADsP, and Information Processing.

**Highlights:** Practice past exam questions, Simulate real CBT exams, Quick OX quizzes for concept review, Automatic incorrect answer notebook, Learning dashboard with progress tracking, Supports SQLD, ADsP, Information Processing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focus | $3.99 | one-time |
| Thunder | $4.99 | one-time |
| Pro | $9.99 | one-time |
| Master | $19.99 | one-time |


### 데이프렙

[App page](https://appshunter.io/ios/app/cbt/id6802236999)

Prepare for multiple certification exams with a single app. Access over 80 exams and 230,000 questions, including national certifications, civil service, and NCS. Utilize free learning features or unlock premium content with subscriptions.

**Highlights:** Over 80 exams and 230,000 questions, Daily study planner, Subject selection and progress tracking, Detailed answer explanations, Spaced repetition for weak areas, Practice exams and past papers, Cross-device progress syncing

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

**In-app purchases:** none


## Frequently asked questions

### Is 문어 CBT free?

문어 CBT is free to download, with in-app purchases available.

### Is 데이프렙 free?

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

### Do 문어 CBT or 데이프렙 have ads?

데이프렙 shows ads; 문어 CBT does not.

### Which is updated more often, 문어 CBT or 데이프렙?

문어 CBT ships an update weekly, and 데이프렙 every 5 days. Most recently, 문어 CBT was updated on October 28, 2026 and 데이프렙 on October 25, 2026.

---

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