---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "하루한국사 - Korean History OX"
developer_entity: "Juyeon Kim"
bundle_id: "com.dev.an.koreanHistoryOx"
app_store_id: "6797014424"
category: "Education"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-08-28"
report_date: "2026-09-03"
last_verified: "2026-09-03T00:00:00.000Z"
report_version: "1.1.1"
total_reviews: 0
confidence: "low"
confidence_score: 0.15
data_age_days: 72
momentum_velocity: "maintenance"
intelligence_version: 3
tags: ["education", "freemium", "mobile app", "app review", "app analysis", "civil", "service", "candidates"]
canonical_url: "https://marlvel.ai/apps/korean-history-ox"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# 하루한국사 - Korean History OX Intelligence Report

## TL;DR {#tldr}

- **Category**: Education · Freemium

> **TL;DR:** 하루한국사 - Korean History OX is a education app by Juyeon Kim, available on iOS.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** 하루한국사 - Korean History OX is a education app by Juyeon Kim.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Education |
| **Developer** | Juyeon Kim |
| **Pricing** | Freemium |
| **Platforms** | iOS |
| **Confidence** | Low (0.15/1.0) |
| **Data Age** | 72d |

## Metadata & Market Performance
- **Publisher:** Juyeon Kim
- **Category:** Education
- **Target Audience:** Civil service exam candidates in Korea requiring focused, daily historical study sessions.
- **Platforms:** iOS
- **Version Reviewed:** 1.1.1
- **Report Date:** 2026-09-03
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.15/1.0)
- **App Store ID (iOS):** 6797014424
- **Bundle ID:** com.dev.an.koreanHistoryOx
- **Performance Trend:** Stable
- **Data Window:** Analysis based on signals collected up to 2026-09-03

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** 하루한국사 is a mobile study tool for Korean civil-service exam candidates, providing past-exam history statements in a daily O/X card format.
**Why users hire it:** The app removes the cognitive friction of launching a full study suite, allowing users to maintain daily exam preparation through quick, widget-based interactions.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Home Screen Widget:** Allows users to answer O/X history cards directly from the home screen without launching the app.
- **[Differentiator] Spaced Repetition Review:** Automatically schedules missed cards for review after 1, 3, and 7 days.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

하루한국사 occupies a niche in the Education category, focusing on daily habit retention for civil service candidates. With 1,198 cards derived from public data, the app prioritizes content utility over the broad feature sets found in larger exam-prep platforms.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free with ads, One-time purchase to remove ads
- **Analysis:** The freemium model relies on ad-supported usage with a single one-time payment to gate ad removal.

<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Home screen widget enables study sessions without app launch
- Spaced repetition logic automates review cycles for missed content

**Growth Levers:**
- Cross-subject expansion into other civil service exam topics
- Localized content updates based on new public exam data


<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The app's competitive outlook shifted from a neutral, internal-focused study tool to a defensive position that acknowledges vulnerability to larger exam-prep platforms. This update introduces specific SWOT items regarding social feature gaps and external exam format risks.

**Overall trend**: Stable
**Compared at**: 2026-09-03

### High-impact changes
- **[Shifted] Defensive Competitive Stance** (positioning)

### Medium-impact changes
- **[Added] Expanded SWOT Analysis** (swot)
- **[Added] New Strategic Opportunities** (swot)

<!-- section:whats-new -->
## What's New

- **Latest (v1.1.1, 5 days ago):** Routine maintenance update.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Ships routine maintenance updates.
- Maintains stable 10-day update cadence.

> **Cadence:** 2 total versions · 0 majors in last 6 months · 5 days since last update · 10 days avg between updates

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

하루한국사 - Korean History OX is an education app that is free with in-app purchases.

<!-- speakable-start -->
> **Bottom Line:** Focusing on the daily habit loop via the home screen widget sustains the core study utility, but the lack of active feature development leaves the app vulnerable to competitors with broader content coverage.
<!-- speakable-end -->

**Best for:** Civil service exam candidates in Korea requiring focused, daily historical study sessions.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [MAINTAIN] Audit user retention metrics because the app relies on a daily habit loop → improve long-term engagement
<!-- /section:pm-actions -->

<!-- section:outlook -->
### Outlook: Stable

The civil-service exam prep market remains consolidated around established platforms, leaving niche tools like 하루한국사 to compete on habit-forming utility. Continued reliance on a maintenance-only cadence suggests the app will remain a stable, low-cost alternative for candidates who prioritize speed over comprehensive study features.

- ⚪ The maintenance-only release cadence indicates a stable, utility-focused product that prioritizes habit retention over rapid feature expansion.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Confidence | Low |
| Pricing Model | Freemium |
| Platforms | iOS |
| Key Features | 2 analyzed |
| Trend | Stable |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **하루한국사 - Korean History OX** (this app) | N/A/5 | N/A | Juyeon Kim |
| [AlgoApp - Flashcards](https://marlvel.ai/apps/algoapp-flashcards) | 4.5/5 | n/a | AlgoApp Inc |
| [Elevate - Brain Training Games](https://marlvel.ai/apps/elevate-brain-training-games) | 4.7/5 | n/a | The Mind Company |
| [Flashcards Deluxe](https://marlvel.ai/apps/flashcards-deluxe) | 4.5/5 | N/A | OrangeOrApple.com |
| [Flash Cards Flashcards Maker](https://marlvel.ai/apps/flash-cards-flashcards-maker) | 4.0/5 | Mixed | Infinite Wave Media, LLC |
| [Flashcards maker - AI generate](https://marlvel.ai/apps/flashcards-maker-ai-generate) | 4.1/5 | Mixed | Teleprompter LLC |

## Company Profile
- **Developer:** Juyeon Kim
- **Website:** [https://d-an0619.github.io](https://d-an0619.github.io)

## Data Sources & Links
- **App Store ID:** 6797014424
- **Dev Site:** [Official Website](https://d-an0619.github.io)
- **Sources:** Developer website content, App store metadata.

## Related Intel Reports
- [*AlgoApp - Flashcards*](https://marlvel.ai/apps/algoapp-flashcards) (AlgoApp Inc) · 4.5/5 Rating
- [*Elevate - Brain Training Games*](https://marlvel.ai/apps/elevate-brain-training-games) (The Mind Company) · 4.7/5 Rating
- [*Flashcards Deluxe*](https://marlvel.ai/apps/flashcards-deluxe) (OrangeOrApple.com) · 4.5/5 Rating
- [*Flash Cards Flashcards Maker*](https://marlvel.ai/apps/flash-cards-flashcards-maker) (Infinite Wave Media, LLC) · 4.0/5 Rating
- [*Flashcards maker - AI generate*](https://marlvel.ai/apps/flashcards-maker-ai-generate) (Teleprompter LLC) · 4.1/5 Rating
- [*Impulse - Brain Training*](https://marlvel.ai/apps/impulse-brain-training) (GMRD Apps Limited) · 4.6/5 Rating
- [*Peak - Brain Training*](https://marlvel.ai/apps/peak-brain-training) (Synaptic Labs) · 4.7/5 Rating
- [*자주 틀리는 우리말*](https://marlvel.ai/apps/app--424) (DaolSoft, Co., Ltd.) · N/A Rating
- [*달공부 - 한 달 공부 다이어리 + 루틴/공부 타이머*](https://marlvel.ai/apps/azlabs-dalstudy) (SuWon Choi) · N/A Rating
- [*타요콘 - 타요 아바타 놀이동화*](https://marlvel.ai/apps/com-kigle-project-tayocon) (KIGLE) · 3.1/5 Rating

## Frequently Asked Questions {#faq}

### Is 하루한국사 suitable for beginners?

The app is designed for civil-service exam candidates who need to drill past-exam statements, making it most effective for those already familiar with the core historical curriculum.

### Does 하루한국사 require an internet connection?

No, the app works offline, allowing users to study without a constant data connection.

### What is the difference between the free and paid versions?

The free version includes ads, while a one-time purchase is available to remove all advertisements from the app.

### Are there other apps for Korean history study?

Yes, there are various general education and exam-prep apps available, but 하루한국사 is specifically optimized for daily O/X card drills.

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes).
4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.15/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 0
- **Data Sources:** developer website, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 72 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/korean-history-ox)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.