# 틈틈잇 vs 포커스 메이커스

The clearest difference is ads: 틈틈잇 at none against 포커스 메이커스's shown. 틈틈잇 also leads on monetization model (free vs ad-supported) and update cadence (weekly vs every 2 weeks). 포커스 메이커스's advantage is review sentiment (100% vs 92%) and iOS requirement (16.4 vs 18.0). On price, in-app purchases and device support there is nothing between them.

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

틈틈잇 ships an update weekly, 포커스 메이커스 every 2 weeks. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 틈틈잇 | 포커스 메이커스 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6797220287/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 91.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 29 MB | 69 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [JaeHyeon Lim](https://appshunter.io/developer/1680730749) | [Sangjae Kwon](https://appshunter.io/developer/6797220289) |

## What reviewers say

### 틈틈잇

[App page](https://appshunter.io/ios/app/ai/id6757255726)

Transform idle moments into productive learning with personalized AI-generated quizzes. Daily "knowledge snacks" are delivered to your home screen, offering a fun, 5-minute way to absorb and test new information. Stay motivated with smart reminders and visual progress tracking.

**Highlights:** AI-generated personalized quizzes, Daily "knowledge snacks" on home screen, 5-minute learning sessions, Smart reminders for learning routines, Visual progress tracking and rewards, Revisit completed quizzes

**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 틈틈잇 free?

틈틈잇 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 틈틈잇 or 포커스 메이커스 have ads?

포커스 메이커스 shows ads; 틈틈잇 does not.

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

틈틈잇 ships an update weekly, and 포커스 메이커스 every 2 weeks. Most recently, 틈틈잇 was updated on October 10, 2026 and 포커스 메이커스 on October 16, 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.*