--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "All国語辞書" developer_entity: "ILHWAN CHO" bundle_id: "com.cohacorp.japanesejapanesedictionaries" app_store_id: "603368094" category: "Education" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-01-15" report_date: "2026-09-13" last_verified: "2026-09-13T00:00:00.000Z" report_version: "3.2.2" total_reviews: 3 overall_rating: 5 confidence: "low" confidence_score: 0.15 data_age_days: 49 momentum_velocity: "zombie" intelligence_version: 2 tags: ["education", "free", "mobile app", "app review", "app analysis", "japanese", "language", "learners"] canonical_url: "https://marlvel.ai/apps/all" license: "CC-BY-NC 4.0" content_version: "v2" --- # All国語辞書 Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Free - **Signal**: Rating 5 > **TL;DR:** All国語辞書 is a education app by ILHWAN CHO, rated 5/5 by 3 users, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** All国語辞書 is a education app by ILHWAN CHO. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 5/5 (3 reviews) | | **Category** | Education | | **Developer** | ILHWAN CHO | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.15/1.0) | | **Data Age** | 49d | ## Metadata & Market Performance - **Publisher:** ILHWAN CHO - **Category:** Education - **Target Audience:** Japanese language learners and native speakers requiring quick access to multiple dictionary and reference databases. - **Platforms:** iOS - **Version Reviewed:** 3.2.2 - **Report Date:** 2026-09-13 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.15/1.0) - **App Store ID (iOS):** 603368094 - **Bundle ID:** com.cohacorp.japanesejapanesedictionaries - **Data Window:** Analysis based on signals collected up to 2026-09-13 ## Executive Snapshot **What it is:** All国語辞書 is a Japanese reference aggregator that provides simultaneous search across multiple dictionary databases on iOS. **Why users hire it:** It removes the cognitive cost of switching between disparate web-based dictionaries by centralizing query results in one interface. ## App DNA (Features & Intent) - **[Differentiator] Aggregated Dictionary Search:** Simultaneous query across multiple Japanese reference sources including Weblio, Kotobank, and Kanjipedia. * *User Intent:* Users want to quickly find relevant content or features. - **[Standard] Search History:** Local storage of past queries to facilitate review and repeated lookups. * *User Intent:* Users want to quickly find relevant content or features. ## Market Position {#market-position} All国語辞書 occupies a narrow utility niche, relying on its 5.0-star rating across 3 ratings to maintain visibility. The lack of updates for 242 days suggests a stable but stagnant market position. ## Monetization Strategy - **Model:** Free - **Tiers:** Free - **Analysis:** The app operates as a free utility with no visible subscription or in-app purchase gates, relying on ad inventory. ## SWOT Analysis {#swot} **Core Strengths:** - Aggregated search mechanism across major Japanese reference databases **Growth Levers:** - Offline-first dictionary support for low-connectivity users ## What's New - **Latest (v3.2.2, 8 months ago):** Removed goo dictionary and addressed minor bug fixes. ## App Momentum (Zombie) {#momentum} - Quiet 8 months, no feature expansion. - Last major release January 2026. > **Cadence:** 1 total versions · 0 majors in last 6 months · 241 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} All国語辞書 is an education app that is completely free. It holds a 5/5 rating from 3 reviews. > **Bottom Line:** All国語辞書 provides a functional aggregation utility, but the eight-month development silence suggests it is a legacy asset rather than a growth product. Maintaining the current utility is the only viable path until a clear monetization or feature-expansion strategy emerges. **Best for:** Japanese language learners and native speakers requiring quick access to multiple dictionary and reference databases. ### PM Action Plan (Next Best Moves) - [ ] [MAINTAIN] Audit ad-placement logic because the current inventory is static → stabilize revenue ### Outlook: Stable The Japanese reference market is consolidating around browser-native search snippets, which reduces the necessity for dedicated aggregator apps. All国語辞書 remains a stable, low-maintenance utility, but its lack of development cadence makes it increasingly vulnerable to browser-based search improvements. - ⚪ The 242-day update gap confirms the app is in maintenance mode, limiting its ability to respond to browser-based search competition. - ⚪ The lack of recent feature expansion indicates that All国語辞書 will likely remain a static utility rather than a growing platform. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 5/5 | | Total Reviews | 3 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 2 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **All国語辞書** (this app) | 5/5 | N/A | ILHWAN CHO | | [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:** ILHWAN CHO - **Website:** [https://www.oolac.com](https://www.oolac.com) ## Data Sources & Links - **App Store ID:** 603368094 - **Dev Site:** [Official Website](https://www.oolac.com) - **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 All国語辞書 free to use? Yes, All国語辞書 is a free utility with no subscription or in-app purchase gates. ### Does All国語辞書 work offline? The app aggregates web-based reference sources, so it requires an active internet connection to fetch dictionary results. ### What dictionaries does All国語辞書 search? All国語辞書 searches multiple sources including Weblio, Kotobank, Kanjipedia, Wiktionary, and Wikipedia. ## 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:** 49 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/all) Data licensed for AI Agent attribution under CC-BY-NC 4.0.