# 에이디 vs 문어 CBT

The clearest difference is review sentiment: 에이디 at 100% against 문어 CBT's 50%. 에이디 also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). 문어 CBT's advantage is in-app purchases (none vs 3) and ads (none vs shown). On update cadence and monetization model there is nothing between them.

에이디 ships an update every 6 days, 문어 CBT every 5 days. The most recent releases landed on August 28, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | 에이디 | 문어 CBT |
| --- | --- | --- |
| Price | **Free** | — |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | **Every 5 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 86 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [dasong sim](https://appshunter.io/developer/1883683802) | [heehun jung](https://appshunter.io/developer/1896763449) |

## What reviewers say

### 에이디

[App page](https://appshunter.io/ios/app/adsp/id6766468436)

Prepare for the ADsP certification exam with a smart study app. It focuses on targeted review using an AI-powered spaced repetition system to reinforce weak areas and optimize learning time. Practice with realistic mock exams and detailed explanations to ensure you pass.

**Highlights:** 1,480 practice questions covering all topics, Detailed explanations with concept clarification, FSRS smart review algorithm for optimized recall, Weakness analysis heatmap, Realistic mock exams with automatic scoring, Offline learning capability, Progress tracking and study statistics

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 프리미엄 월간 | $1.99 | per month |
| 프리미엄 3개월 | $3.99 | per 3 months |
| 프리미엄 평생 | $5.99 | one-time |


### 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:** none


## Frequently asked questions

### Is 에이디 free?

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

### Is 문어 CBT free?

Pricing for 문어 CBT is not currently listed on the App Store.

### Do 에이디 or 문어 CBT have ads?

에이디 shows ads; 문어 CBT does not.

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

에이디 ships an update every 6 days, and 문어 CBT every 5 days. Most recently, 에이디 was updated on August 28, 2026 and 문어 CBT on September 17, 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.*