# FocusMakers vs 문득

The clearest difference is review sentiment: FocusMakers at 100% against 문득's 56%. FocusMakers also leads on in-app purchases (none vs 3). 문득's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. 문득 sells 3 in-app purchases, starting at $1.99 per month. FocusMakers asks for nothing beyond the download.

FocusMakers ships an update every 5 days, 문득 every 3 days. Both last shipped on November 12, 2026.

## The numbers

| Metric | FocusMakers | 문득 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/focusmakers-ai-study-timer/id6797220287/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **100.0% of reviews** | 55.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | **Ad-supported** | Freemium |
| Size | 82 MB | 66 MB |
| Requires iOS | **16.4** | 17.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Sangjae Kwon](https://appshunter.io/developer/6797220289) | [JIHWAN YEOM](https://appshunter.io/developer/6805761199) |

## What reviewers say

### FocusMakers

[App page](https://appshunter.io/ios/app/focusmakers-ai-study-timer/id6797220287)

This app uses your device's camera to accurately measure your actual study time, distinguishing focused periods from distractions. It offers features like task planning, group study sessions, and app blocking to enhance productivity. Users can also create time-lapse videos of their study sessions and track their progress through daily, weekly, and monthly rankings.

**Highlights:** AI-powered focus time tracking, Task and subject planner, Group study sessions, Distracting app blocker, Study session time-lapse videos, Daily, weekly, monthly rankings, Ambient study sounds

**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 study materials like PDFs and Notion pages. It presents these quizzes on your lock screen for effortless review, helping you learn without dedicated study time. Track your progress and get personalized quizzes to reinforce weak areas.

**Highlights:** AI quiz generation from PDFs, PPTX, photos, and Notion, Lock screen quiz display for passive learning, Automatic question and answer creation, Learning reports to identify weak concepts, Personalized quiz generation for weak areas, No manual card creation required

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 문득 베이직 | $1.99 | per month |
| 문득 프리미엄 | $9.99 | per month |
| 크레딧 10개 | $1.99 | one-time |


## Frequently asked questions

### Is FocusMakers free?

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

### Is 문득 free?

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

### Do FocusMakers or 문득 have ads?

FocusMakers shows ads; 문득 does not.

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

FocusMakers ships an update every 5 days, and 문득 every 3 days. Most recently, FocusMakers was updated on November 12, 2026 and 문득 on November 12, 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.*