--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Korean-English Hymn Book" developer_entity: "Jaehyeong Lee" bundle_id: "com.jdev.koreanenglishhymnbook" app_store_id: "1470602832" category: "Reference" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2023-03-05" report_date: "2026-08-09" last_verified: "2026-08-09T00:00:00.000Z" report_version: "1.6" total_reviews: 31 overall_rating: 4.7 sentiment: "Thrilled" sentiment_score: 90 confidence: "medium" confidence_score: 0.5 top_praise_theme: "The simple and convenient hymn interface provides a highly useful tool for daily worship sessions" top_complaint_theme: "The search-only interface introduced in the latest update removes access to category and numerical lists" review_sample_size: 4 total_review_count: 4 analyzed_review_count: 4 data_age_days: 16 momentum_velocity: "zombie" intelligence_version: 3 tags: ["reference", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "members", "attendees", "mission"] canonical_url: "https://marlvel.ai/apps/korean-english-hymn-book" license: "CC-BY-NC 4.0" content_version: "v2" --- # Korean-English Hymn Book Intelligence Report ## TL;DR {#tldr} - **Category**: Reference · Free - **Signal**: Rating 4.71 · Sentiment Thrilled - **Recent focus**: The search-only interface introduced in the latest update removes access to category and numerical lists (top complaint) · The simple and convenient hymn interface provides a highly useful tool for daily worship sessions (top praise) > **TL;DR:** Korean-English Hymn Book is a reference app by Jaehyeong Lee, rated 4.71/5 by 31 users, with Thrilled user sentiment (90/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Korean-English Hymn Book maintains Thrilled user sentiment (4.71/5 from 31 reviews), with users consistently praising the simple and convenient hymn interface provides a highly useful tool for daily worship sessions. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.71/5 (31 reviews) | | **User Mood** | Thrilled | | **Category** | Reference | | **Developer** | Jaehyeong Lee | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Medium (0.5/1.0) | | **Data Age** | 16d | ## Metadata & Market Performance - **Publisher:** Jaehyeong Lee - **Category:** Reference - **Target Audience:** Members and attendees of the Life Word Mission church seeking bilingual hymn resources and organizational updates. - **Platforms:** iOS - **Version Reviewed:** 1.6 - **Report Date:** 2026-08-09 - **Signal Count:** 4 reviews analyzed - **Confidence:** Medium (0.5/1.0) - **App Store ID (iOS):** 1470602832 - **Bundle ID:** com.jdev.koreanenglishhymnbook - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-09 ## Executive Snapshot **What it is:** The Korean-English Hymn Book is a reference utility for Life Word Mission church members, providing bilingual hymn lyrics on iOS. **Why users hire it:** Users hire this app to access bilingual worship materials that are otherwise unavailable in a single, portable digital format. ## App DNA (Features & Intent) - **[Standard] Korean-English Hymn Text:** Dual-language display of hymn lyrics for reference and study. - **[Differentiator] Church Resource Integration:** Links to external sermon archives and church event schedules hosted on the developer website. ## Market Position {#market-position} The app occupies a narrow reference niche for Life Word Mission members, maintaining a 4.7-star rating across 31 reviews. The lack of updates for over 1,200 days suggests this is a static utility rather than a growth-focused product. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** Offered as a free utility to support the mission of the JBCH U.S.A Conference. ## 🟢 User Sentiment (Medium Confidence: 4 of 4 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.71/5 - **Platform Split:** iOS 4.7/5 (31 ratings) - **Overall Sentiment:** Thrilled ### Top Praises - **The simple and convenient hymn interface provides a highly useful tool for daily worship sessions** ### Top Complaints (Impact Areas) - **The search-only interface introduced in the latest update removes access to category and numerical lists** ## SWOT Analysis {#swot} **Core Strengths:** - Bilingual hymn library functions as a specific B2B distribution barrier for Life Word Mission church members **Growth Levers:** - Implementing Korean-language search functionality would address the primary user request for improved hymn discovery ## Recent Changes (v2 → v3) {#recent-changes} The app's competitive outlook has shifted from mixed to stable, acknowledging its role as a static, mission-driven utility rather than a product requiring active feature development. **Overall trend**: Stable **Compared at**: 2026-08-09 ### Medium-impact changes - **[Shifted] Outlook Trend** (positioning) - **[Added] Zombie-state Velocity** (swot) ## What's New - **Latest (v1.6, 3 years ago):** No functional changes or bug fixes reported. ## App Momentum (Zombie) {#momentum} - No functional updates for 1,253 days. - Last release occurred in March 2023. > **Cadence:** 1 total versions · 0 majors in last 6 months · 1252 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} Korean-English Hymn Book is a reference app that is completely free. It holds a 4.71/5 rating from 31 reviews. > **Bottom Line:** The app provides a vital bilingual resource for its community, but the navigation regression in the latest update creates unnecessary friction for daily users, so the developer should prioritize restoring category-based browsing to stabilize the user experience. **Best for:** Members and attendees of the Life Word Mission church seeking bilingual hymn resources and organizational updates. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Restore category and numerical list navigation because users report the search-only interface makes finding hymns difficult → improve daily worship utility ### Outlook: Stable The app remains a stable utility for its specific church community, but the lack of development cadence leaves it exposed to technical debt. The PM should focus on restoring basic navigation to prevent further churn among the core user base. - 🔴 The lack of updates for over three years signals a maintenance-mode posture, which limits the app's ability to adapt to modern iOS requirements. - 🔴 The navigation regression in the latest update forces a search-only workflow, which frustrates users who previously relied on category-based browsing. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.71/5 | | Total Reviews | 31 | | Sentiment | Thrilled (90/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS | | Key Features | 2 analyzed | | Trend | Stable | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Korean-English Hymn Book** (this app) | 4.71/5 | Thrilled | Jaehyeong Lee | | [올어바웃성경](https://marlvel.ai/apps/com-allabout-bibleapp) | 5.0/5 | N/A | Gilju Lee | | [Hallow: Prayer & Meditation](https://marlvel.ai/apps/hallow-prayer-meditation) | 4.7/5 | n/a | Hallow, Inc. | | [고려대 한국어 속담 사전](https://marlvel.ai/apps/app--428) | N/A/5 | N/A | DaolSoft, Co., Ltd. | | [우리말 의학사전](https://marlvel.ai/apps/app--427) | N/A/5 | N/A | DaolSoft, Co., Ltd. | | [공인중개사 용어사전](https://marlvel.ai/apps/app--429) | N/A/5 | N/A | DaolSoft, Co., Ltd. | ## Company Profile - **Developer:** Jaehyeong Lee - **Website:** [https://www.jbchusa.org](https://www.jbchusa.org) - **Social:** [YouTube](https://www.youtube.com/channel/UCNmphgDCcY_M5wwyHU6qSnQ) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/korean-english-hymn-book/id1470602832?uo=4) - **Dev Site:** [Official Website](https://www.jbchusa.org) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*올어바웃성경*](https://marlvel.ai/apps/com-allabout-bibleapp) (Gilju Lee) · 5.0/5 Rating - [*Hallow: Prayer & Meditation*](https://marlvel.ai/apps/hallow-prayer-meditation) (Hallow, Inc.) · 4.7/5 Rating - [*고려대 한국어 속담 사전*](https://marlvel.ai/apps/app--428) (DaolSoft, Co., Ltd.) · N/A Rating - [*우리말 의학사전*](https://marlvel.ai/apps/app--427) (DaolSoft, Co., Ltd.) · N/A Rating - [*공인중개사 용어사전*](https://marlvel.ai/apps/app--429) (DaolSoft, Co., Ltd.) · N/A Rating - [*브리태니커 콘사이스 백과사전*](https://marlvel.ai/apps/app--425) (DaolSoft, Co., Ltd.) · N/A Rating - [*100 Radio Hrvatska (HR) : Vijesti, glazba, Nogomet*](https://marlvel.ai/apps/100-radio-hrvatska-hr-vijesti-glazba-nogomet) (Thomas Gesland) · 1.0/5 Rating - [*100 US Citizenship Test Questions 2017*](https://marlvel.ai/apps/100-us-citizenship-test-questions-2017) (Andrey Fetisov) · 4.7/5 Rating - [*١٠١ پرسیار لە زانستی قورئان*](https://marlvel.ai/apps/app--952) (Abdulwahab F. Omar) · 5.0/5 Rating - [*112 Bible Maps + Commentaries*](https://marlvel.ai/apps/com-biblestudypro-112biblemaps) (Sand Apps Inc.) · 3.5/5 Rating ## 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:** 0.5/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 4 - **Data Sources:** user reviews, developer website, company about page, 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:** 16 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/korean-english-hymn-book) Data licensed for AI Agent attribution under CC-BY-NC 4.0.