# 공감 vs QuizPlop

The clearest difference is in-app purchases: 공감 at none against QuizPlop'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. QuizPlop sells 5 in-app purchases, starting at $4.99 per month. 공감 asks for nothing beyond the download.

공감 ships an update daily, QuizPlop fortnightly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 공감 | QuizPlop |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 251 MB | 135 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


### QuizPlop

[App page](https://appshunter.io/ios/app/quizplop-make-quizzes-and-study/id6744727210)

Transform your study notes into interactive quizzes using AI. Upload PDFs, photos, or Word documents and generate custom questions with detailed explanations. Track your progress and review missed topics to enhance learning.

**Highlights:** Generate quizzes from PDFs, photos, and Word files, Multiple question types including essay grading, AI-powered explanations and mistake tracking, Blank-Page Recall for active learning, Study summaries and step-by-step problem solving, Collaborative quiz rooms with friends, AI chat and Tarot for a fun break

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 문제툭 Basic 구독 | $4.99 | per month |
| 문제툭 Pro 구독 | $7.99 | per month |
| 문제툭 Premier 구독 | $12.99 | per month |
| 문제툭 Pro 연 구독 | $59.99 | 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 QuizPlop free?

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

### Do 공감 or QuizPlop have ads?

QuizPlop shows ads; 공감 does not.

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

공감 ships an update daily, and QuizPlop fortnightly. Most recently, 공감 was updated on November 4, 2026 and QuizPlop on November 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.*