# 푸리 vs 문득

The clearest difference is review sentiment: 푸리 at 83% against 문득's 43%. 푸리 also leads on in-app purchases (none vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 문득 sells 2 in-app purchases, starting at $1.99 per month. 푸리 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | 푸리 | 문득 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **83.3% of reviews** | 42.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 137 MB | 37 MB |
| Requires iOS | **16.0** | 17.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Hwan Kim](https://appshunter.io/developer/6800942600) | [JIHWAN YEOM](https://appshunter.io/developer/6805761199) |

## What reviewers say

### 푸리

[App page](https://appshunter.io/ios/app/ai/id6800942598)

This app analyzes your step-by-step solutions to past college entrance exam math problems using AI. It identifies not just incorrect answers but also the specific reasoning errors you made, helping you understand why you got it wrong.

**Highlights:** AI analysis of solution steps, Identifies reasoning errors, Automatic grading of multiple-choice and short-answer questions, Automatic error notebook creation, Practice past exam papers, iPad pen support

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

**In-app purchases:** none


### 문득

[App page](https://appshunter.io/ios/app/ai-pdf/id6805761197)

This app generates AI-powered quizzes from your PDF, PPT, or Notion notes. Review material directly on your phone's lock screen, with spaced repetition for optimal recall. It automatically creates questions, answers, and options, saving you time on flashcard creation.

**Highlights:** AI quiz generation from PDF, PPT, Notion, Lock screen review cards, Spaced repetition for optimal recall, Automatic question, answer, and option creation, Mock exam mode, Customizable review intervals

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 문득 베이직 | $1.99 | per month |
| 크레딧 10개 | $1.99 | one-time |


## Frequently asked questions

### Is 푸리 free?

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

### Is 문득 free?

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

### Do 푸리 or 문득 have ads?

Neither 푸리 nor 문득 shows ads.

### Which is updated more often, 푸리 or 문득?

푸리 ships an update every 3 days, and 문득 every 3 days. Most recently, 푸리 was updated on October 24, 2026 and 문득 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.*