# 틈틈잇 vs 감 한국사

The clearest difference is in-app purchases: 틈틈잇 at none against 감 한국사's 3. 감 한국사's advantage is update cadence (every 3 days vs weekly) and review sentiment (100% vs 92%). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. 감 한국사 sells 3 one-off in-app purchases. 틈틈잇 asks for nothing beyond the download.

틈틈잇 ships an update weekly, 감 한국사 every 3 days. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 틈틈잇 | 감 한국사 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 91.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 29 MB | 75 MB |
| Requires iOS | **18.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 12+ |
| Developer | [JaeHyeon Lim](https://appshunter.io/developer/1680730749) | [Jaehyun Ryu](https://appshunter.io/developer/1894611307) |

## 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


### 감 한국사

[App page](https://appshunter.io/ios/app/id6762543230)

This app helps you quickly grasp core Korean history concepts for exams like the Korean History Proficiency Test, college entrance exams, and civil service tests. Learn through interactive problem-solving and fun mini-games to build your historical knowledge efficiently.

**Highlights:** Interactive Korean history quizzes, Exam-focused core concept review, Mini-games for study breaks, Adaptive learning for weak areas, Quick start without registration, Offline study records

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 풋감 선물세트 2(한능검 기본 2) 문제 묶음 잠금 해제 | $0.49 | one-time |
| 단감 선물세트 2(한능검 심화 2) 문제 묶음 잠금 해제 | $0.99 | one-time |
| 연시 선물세트 1(한능검 심화 3) 문제 묶음 잠금 해제 | $0.99 | one-time |


## Frequently asked questions

### Is 틈틈잇 free?

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

### Is 감 한국사 free?

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

### Do 틈틈잇 or 감 한국사 have ads?

Neither 틈틈잇 nor 감 한국사 shows ads.

### Which is updated more often, 틈틈잇 or 감 한국사?

틈틈잇 ships an update weekly, and 감 한국사 every 3 days. Most recently, 틈틈잇 was updated on October 10, 2026 and 감 한국사 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.*