# 비수다 vs 포커스 메이커스

The clearest difference is review sentiment: 포커스 메이커스 at 100% against 비수다's 0%. 포커스 메이커스 also leads on monetization model (ad-supported vs free with in-app purchases). 비수다's advantage is ads (none vs shown) and update cadence (every 2 days vs every 10 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

비수다 ships an update every 2 days, 포커스 메이커스 every 10 days. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | 비수다 | 포커스 메이커스 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6797220287/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Every 10 days |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 53 MB | 70 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seungwoo Lee](https://appshunter.io/developer/1858119568) | [Sangjae Kwon](https://appshunter.io/developer/6797220289) |

## What reviewers say

### 비수다

[App page](https://appshunter.io/ios/app/3/id6795456254)

This app provides extensive practice for Korean college entrance exam reading comprehension passages. It offers a structured three-read approach, daily curated texts, and spaced repetition for reviewing incorrect answers. AI-powered explanations help users understand complex reasoning.

**Highlights:** Extensive practice with 185 passages and 2,041 questions, Structured three-read training method, Daily curated passages based on target exam date, Spaced repetition for reviewing incorrect answers, AI-powered explanations for difficult questions, Learning reminders to maintain study flow

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

**In-app purchases:** none


### 포커스 메이커스

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

Automatically track your study time without manual input. This app uses your device's camera to record focused study sessions, pausing when you step away or use your phone. It provides detailed statistics on study duration and concentration, with social study features and customizable background sounds.

**Highlights:** Automatic study time recording via camera, Real-time tracking of pure study time and concentration, Timeline of breaks and phone usage, Calendar view of daily study statistics, Social cam study with up to 6 participants, Customizable background sounds for focus, Simple mode to hide camera feed

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

**In-app purchases:** none


## Frequently asked questions

### Is 비수다 free?

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

### Is 포커스 메이커스 free?

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

### Do 비수다 or 포커스 메이커스 have ads?

포커스 메이커스 shows ads; 비수다 does not.

### Which is updated more often, 비수다 or 포커스 메이커스?

비수다 ships an update every 2 days, and 포커스 메이커스 every 10 days. Most recently, 비수다 was updated on October 24, 2026 and 포커스 메이커스 on October 29, 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.*