# 공감 vs 문제툭

The clearest difference is in-app purchases: 공감 at none against 문제툭's 5. 공감 also leads on ads (none vs shown) and update cadence (daily vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 문제툭 sells 5 in-app purchases, starting at $3.99 per month. 공감 asks for nothing beyond the download.

공감 ships an update daily, 문제툭 fortnightly. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 공감 | 문제툭 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 73.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 251 MB | 137 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Seoyeon Kim](https://appshunter.io/developer/1608165805) | [YEONGJIN AHN](https://appshunter.io/developer/1809098502) |

## What reviewers say

### 공감

[App page](https://appshunter.io/ios/app/2/id6478134499)

**Features:** macOS Compatibility

**In-app purchases:** none


### 문제툭

[App page](https://appshunter.io/ios/app/id6744727210)

This app uses AI to automatically generate practice questions from your study materials. Easily create and solve custom quizzes, including multiple-choice, fill-in-the-blank, and true/false formats, to reinforce learning and identify areas for improvement.

**Highlights:** AI-generated questions from PDFs, Multiple-choice quiz creation, Fill-in-the-blank quiz creation, True/False quiz creation, Mixed quiz modes, Study progress tracking, Quiz challenges and credits, Character chat feature

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 문제툭 Basic 구독 | $3.99 | per month |
| 문제툭 Pro 구독 | $5.99 | per month |
| 문제툭 Premier 구독 | $10.99 | per month |
| 문제툭 Pro 연 구독 | $53.99 | per year |
| 문제툭 Premier 연 구독 | $99.99 | per year |


## Frequently asked questions

### Is 공감 free?

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

### Is 문제툭 free?

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

### Do 공감 or 문제툭 have ads?

문제툭 shows ads; 공감 does not.

### Which is updated more often, 공감 or 문제툭?

공감 ships an update daily, and 문제툭 fortnightly. Most recently, 공감 was updated on October 5, 2026 and 문제툭 on October 8, 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.*