# 완강메이트 vs 데이프렙

The clearest difference is in-app purchases: 데이프렙 at none against 완강메이트's 4. 완강메이트's advantage is ads (none vs shown) and update cadence (every 2 days vs every 5 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 완강메이트 sells 4 in-app purchases, starting at $1.99 per month. 데이프렙 asks for nothing beyond the download.

완강메이트 ships an update every 2 days, 데이프렙 every 5 days. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 완강메이트 | 데이프렙 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 38 MB | 78 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jinsung Jeong](https://appshunter.io/developer/1889761433) | [dasong sim](https://appshunter.io/developer/1883683802) |

## What reviewers say

### 완강메이트

[App page](https://appshunter.io/ios/app/id6793607254)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 완강메이트 프로 | $1.99 | per month |
| 완강메이트 프로 연간 | $11.99 | per year |
| 100펭 | $0.49 | one-time |
| 600펭 | $2.99 | 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 완강메이트 free?

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

### Is 데이프렙 free?

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

### Do 완강메이트 or 데이프렙 have ads?

데이프렙 shows ads; 완강메이트 does not.

### Which is updated more often, 완강메이트 or 데이프렙?

완강메이트 ships an update every 2 days, and 데이프렙 every 5 days. Most recently, 완강메이트 was updated on October 14, 2026 and 데이프렙 on October 24, 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.*