--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "英検®準1級よく出る英単語2000" developer_entity: "StudySwitch, Inc." bundle_id: "jp.co.studyswitch.englishwordeikengs1" app_store_id: "6446194995" category: "Education" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-12-16" report_date: "2026-05-24" last_verified: "2026-05-24T13:34:45.176Z" report_version: "7.88.3" total_reviews: 11 overall_rating: 4.82 confidence: "low" confidence_score: 0.45 data_age_days: 28 momentum_velocity: "maintenance" intelligence_version: 4 nemesis: "Migaku: Really Learn Languages" competitor_count: 11 tags: ["education", "freemium", "mobile app", "app review", "app analysis", "students", "test-takers", "preparing"] canonical_url: "https://marlvel.ai/intel-report/education/1-2000" license: "CC-BY-NC 4.0" content_version: "v2" --- # 英検®準1級よく出る英単語2000 App Audit ## TL;DR {#tldr} - **Category**: Education · Freemium - **Signal**: Rating 4.82 > **TL;DR:** 英検®準1級よく出る英単語2000 is a education app by StudySwitch, Inc., rated 4.82/5 by 11 users, available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** 英検®準1級よく出る英単語2000 is a education app by StudySwitch, Inc.. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.82/5 (11 reviews) | | **Category** | Education | | **Developer** | StudySwitch, Inc. | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Low (0.45/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** StudySwitch, Inc. - **Category:** Education - **Target Audience:** Students and test-takers preparing for the Eiken Grade Pre-1 English proficiency exam. - **Platforms:** iOS & Android - **Version Audited:** 7.88.3 - **Audit Date:** 2026-05-24 - **Signal Count:** 1 reviews analyzed - **Confidence:** Low (0.45/1.0) - **App Store ID (iOS):** 6446194995 - **Bundle ID:** jp.co.studyswitch.englishwordeikengs1 - **Google Play ID:** jp.co.studyswitch.englishwordeikengs1 - **Performance Trend:** Mixed - **Data Window:** Analysis based on signals collected up to 2026-05-24 - **Short Description:** Eiken® pre-1st grade, definitive edition for English vocabulary! Learn 2000 frequently occurring English words in order from the most frequently occurring English words. If you are aiming for Eiken® pre-1st grade, install this app now! ## Executive Snapshot **What it is:** 英検®準1級よく出る英単語2000 is an education app providing a curated vocabulary list for Eiken Pre-1st grade exam preparation on iOS and Android. **Why users hire it:** Users hire this app to achieve exam-specific vocabulary mastery with minimal cognitive load, as the frequency-ordered list removes the need for manual curation. ## App DNA (Features & Intent) - **[Standard] Vocabulary Learning Path:** 2000 English words curated by frequency for Eiken Grade Pre-1 preparation - **[Differentiator] One-tap Dictionary Lookup:** In-app English-Japanese dictionary access for immediate word definition - **[Differentiator] Writing Auto-Grading:** Automated assessment functionality for English writing exercises ## Market Position {#market-position} The app maintains a 4.8-star rating on iOS, though the lack of Android activity signals a single-platform reliance that limits its reach in the broader Japanese language-learning market. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier with ad-supported content, Serious Learning Plan (paid) for ad-free experience - **Analysis:** Freemium model monetizes via ad-network impressions with a paid-gate option to remove ads for power users. ## SWOT Analysis {#swot} **Core Strengths:** - Hyper-focused content curated for Eiken Pre-1st grade exam requirements - One-tap dictionary lookup reduces friction during vocabulary study sessions **Critical Frictions:** - Zero Android rating count indicates poor visibility or low adoption - Static vocabulary list lacks dynamic feedback loops **Growth Levers:** - Integration of AI-driven conversational practice to simulate exam-day pressure - Expansion into cross-platform synchronization to increase user switching costs **Market Threats:** - Generative AI tools automate custom flashcard creation, reducing static list value - Camera-first OCR lookup systems disrupt traditional manual search methods ## Recent Changes (v3 → v4) {#recent-changes} The app has pivoted its development roadmap toward AI-driven conversational features to address competitive threats, while acknowledging significant weaknesses in Android platform penetration. **Overall trend**: Mixed **Compared at**: 2026-05-24 ### High-impact changes - **[Shifted] Roadmap Priority** (positioning) — PM action items shifted from ad-supported model optimization to the integration of AI-driven conversational practice. ### Medium-impact changes - **[Added] Android Visibility Weakness** (swot) — Added 'Zero Android rating count' as a specific weakness, indicating a shift in focus toward platform-specific adoption metrics. - **[Shifted] Executive Summary Tone** (positioning) — Tone shifted from a stable niche defense to an urgent warning regarding the risk of obsolescence against AI-driven competitors. ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### 英検®準1級よく出る英単語2000 vs Migaku: Really Learn Languages — Head to Head - **[Migaku: Really Learn Languages](https://marlvel.ai/intel-report/education/migaku-really-learn-languages)** by Migaku Inc.: Migaku competes by offering a sophisticated, media-rich ecosystem for language acquisition that directly challenges the target's static, Eiken-focused vocabulary approach. - **Key differences:** - Offers advanced interactive media subtitles that turn passive viewing into active, high-retention language learning sessions. - Provides one-click flashcard creation from external media, significantly reducing the manual effort required for vocabulary building. - Features a broader, cross-platform language ecosystem that creates higher user switching costs than single-exam apps. - **Where 英検®準1級よく出る英単語2000 wins:** - ✅ Hyper-focused content specifically curated for the Eiken Pre-1st grade exam requirements. - ✅ Lower cognitive load for users who only want a structured, exam-ready vocabulary list. - **Where Migaku: Really Learn Languages wins:** - ❌ Superior technical infrastructure for media integration and automated flashcard generation. - ❌ Higher community engagement and social proof evidenced by a significantly larger review volume. - **Verdict:** The target should pivot toward integrating more contextual learning or AI-driven practice to prevent losing users to Migaku's more dynamic, modern feature set. ### Contenders (Strong Challengers) - **[Learning chinese words - kids](https://marlvel.ai/intel-report/education/com-galaxyacademy-gac)** by Galaxy Kids Global: This app competes for the same educational time-share by utilizing AI-driven interactive tools to gamify the vocabulary acquisition process. - Integrates AI buddies and speech recognition to provide real-time, interactive feedback during the learning process. - Uses a structured curriculum-based approach that feels more like a complete course than the target's list. - **[VerbForms Deutsch](https://marlvel.ai/intel-report/education/com-lexiforms-verbforms-d)** by Laura Mueller: This app competes by offering deep, specialized grammatical training, appealing to the same serious language student demographic as the target. - Features a comprehensive verb database with dedicated conjugation training missing from the target's vocabulary-only focus. - Includes advanced progress tracking metrics that provide deeper insights into long-term learning retention than the target. - **[Onevoca - Flashcards](https://marlvel.ai/intel-report/education/com-suhz23-socksock)** by Minsu Kim: Onevoca competes as a general-purpose flashcard platform that allows users to create their own study sets, challenging the target's pre-defined content. - Utilizes AI text-to-speech for flexible, multi-language support beyond the target's fixed Eiken vocabulary list. - Offers a highly customizable flashcard interface that empowers users to build their own unique study decks. - **[Japanese Hiragana and Katakana](https://marlvel.ai/intel-report/education/japanese-hiragana-and-katakana)** by Internet Stack: This app targets the foundational Japanese learning market, overlapping with the target's audience of Japanese-based English learners. - Includes specialized stroke order practice tools that the target app lacks for its vocabulary focus. - Provides granular character filtering to help beginners isolate specific writing systems during their study sessions. ### Peers (What They Do Better) - **[Roybi](https://marlvel.ai/intel-report/education/roybi)** by Roybi Inc.: Roybi competes in the AI-assisted language learning category, focusing on personalized progress and emotional engagement. - Employs AI emotion detection to adjust the learning experience based on the user's current engagement level. - Provides comprehensive, data-driven progress reports that offer more depth than the target's basic vocabulary tracking. - **[InnerVoice: AI Communication](https://marlvel.ai/intel-report/education/innervoice-ai-communication)** by iTherapy: InnerVoice competes by using AI to facilitate language communication, targeting users interested in the intersection of tech and speech. - Uses visual language AI to animate faces, providing a unique, immersive communication experience for learners. - Includes clinical documentation tools that differentiate it from standard consumer-facing vocabulary study apps. - **[默書啦喂 - AI 默書練習助手](https://marlvel.ai/intel-report/education/pjmpapa-app-dictationapp)** by LW Group Limited: This app shares the educational utility space by using AI to assist with dictation and writing practice. - Features OCR text recognition to allow users to import their own physical study materials instantly. - Includes stroke order animations that provide visual guidance for writing, a feature absent in the target. - **[Nuva - English Tutor](https://marlvel.ai/intel-report/education/com-nexuskairos-nuva)** by Nexus Kairos LLC: Nuva is a direct competitor in the English learning space, focusing on AI-driven conversational practice and mock testing. - Provides AI-powered conversation practice that offers immediate, personalized feedback on user speaking performance. - Includes mock testing capabilities that directly simulate the exam-day pressure the target's users are preparing for. ### New Kids on the Block (What's Innovative) - **[FlashPrint](https://marlvel.ai/intel-report/education/flashprint)** by Rodney Paulin-Bullock: FlashPrint enters the market by leveraging generative AI to automate the creation of study materials. - Uses generative AI to create custom images for flashcards, enhancing visual memory associations for new vocabulary. - **[Targman](https://marlvel.ai/intel-report/education/targman)** by MicroComp LLC: Targman is a new entrant using camera-first technology to disrupt traditional vocabulary lookup methods. - Implements a camera-first OCR lookup system that allows users to translate words directly from physical books. ## What's New - **Latest (v4.95.1, 3 years ago):** Fixed minor bugs. ## App Momentum (Maintenance) {#momentum} - Maintains stable Eiken-focused vocabulary content. - Ships periodic updates for platform stability. > **Cadence:** 5 total versions · 3 majors in last 6 months · 159 days since last update · 99 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} 英検®準1級よく出る英単語2000 is an established education app that is free with in-app purchases. With a 4.82/5 rating from 11 reviews, it shows polarized user reception. > **Bottom Line:** The app succeeds as a focused exam-prep tool, but its static content model is vulnerable to AI-driven competitors, so the PM should prioritize adding interactive practice to retain users. **Best for:** Students and test-takers preparing for the Eiken Grade Pre-1 English proficiency exam. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] [HIGH IMPACT] Integrate AI-driven conversational practice because competitors offer dynamic feedback → increase daily active usage — *Competitors like Nuva provide AI-powered conversation practice, making static lists feel outdated.* _(trade-off: deprioritize Pause the expansion of the vocabulary list — current 2000-word count is sufficient for the target exam.)_ ### Feature Gaps vs Competitors - AI-powered conversation practice (available in Nuva) - Real-time speech recognition feedback (available in Learning chinese words - kids) - Camera-first OCR lookup (available in Targman) ### Outlook: Stable The language learning market is shifting toward AI-integrated, interactive experiences that provide immediate feedback. This app remains in a stable but exposed position, as its static vocabulary focus will likely lose share to competitors that offer more dynamic study tools. - ⚪ The app maintains a steady focus on Eiken-specific content, which serves the current user base but fails to capture the broader AI-driven language learning market. - 🔴 The absence of Android engagement suggests a failure to penetrate the wider market, which limits the app's ability to scale against cross-platform competitors. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.82/5 | | Total Reviews | 11 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | | Trend | Mixed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **英検®準1級よく出る英単語2000** (this app) | 4.82/5 | N/A | StudySwitch, Inc. | | [Nuva - English Tutor](https://marlvel.ai/intel-report/education/com-nexuskairos-nuva) | 5.0/5 | N/A | Nexus Kairos LLC | | [VerbForms Deutsch](https://marlvel.ai/intel-report/education/com-lexiforms-verbforms-d) | 5.0/5 | N/A | Laura Mueller | | [Learning chinese words - kids](https://marlvel.ai/intel-report/education/com-galaxyacademy-gac) | 5.0/5 | N/A | Galaxy Kids Global | | [Onevoca - Flashcards](https://marlvel.ai/intel-report/education/com-suhz23-socksock) | 4.7/5 | N/A | Minsu Kim | | [FlashPrint](https://marlvel.ai/intel-report/education/flashprint) | 5.0/5 | N/A | Rodney Paulin-Bullock | ## Company Profile - **Developer:** StudySwitch, Inc. - **Website:** [https://www.studyswitch.co.jp/?appstore](https://www.studyswitch.co.jp/?appstore) - **Social:** [Facebook](https://www.facebook.com/391154754640977?ref=embed_page) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/%E8%8B%B1%E6%A4%9C-%E6%BA%961%E7%B4%9A%E3%82%88%E3%81%8F%E5%87%BA%E3%82%8B%E8%8B%B1%E5%8D%98%E8%AA%9E2000/id6446194995?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=jp.co.studyswitch.englishwordeikengs1&hl=en&gl=us) - **Dev Site:** [Official Website](https://www.studyswitch.co.jp/?appstore) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*Nuva - English Tutor*](https://marlvel.ai/intel-report/education/com-nexuskairos-nuva) (Nexus Kairos LLC) — 5.0/5 Rating | N/A Sentiment - [*VerbForms Deutsch*](https://marlvel.ai/intel-report/education/com-lexiforms-verbforms-d) (Laura Mueller) — 5.0/5 Rating | N/A Sentiment - [*Learning chinese words - kids*](https://marlvel.ai/intel-report/education/com-galaxyacademy-gac) (Galaxy Kids Global) — 5.0/5 Rating | N/A Sentiment - [*Onevoca - Flashcards*](https://marlvel.ai/intel-report/education/com-suhz23-socksock) (Minsu Kim) — 4.7/5 Rating | N/A Sentiment - [*FlashPrint*](https://marlvel.ai/intel-report/education/flashprint) (Rodney Paulin-Bullock) — 5.0/5 Rating | N/A Sentiment - [*默書啦喂 - AI 默書練習助手*](https://marlvel.ai/intel-report/education/pjmpapa-app-dictationapp) (LW Group Limited) — 3.0/5 Rating | Mixed Sentiment - [*Japanese Hiragana and Katakana*](https://marlvel.ai/intel-report/education/japanese-hiragana-and-katakana) (Internet Stack) — 5.0/5 Rating | N/A Sentiment - [*InnerVoice: AI Communication*](https://marlvel.ai/intel-report/education/innervoice-ai-communication) (iTherapy) — 3.9/5 Rating | N/A Sentiment - [*Migaku: Really Learn Languages*](https://marlvel.ai/intel-report/education/migaku-really-learn-languages) (Migaku Inc.) — 4.4/5 Rating | N/A Sentiment - [*Roybi*](https://marlvel.ai/intel-report/education/roybi) (Roybi Inc.) — 2.4/5 Rating | Negative Sentiment ## 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 and evidence quoting. 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:** 0.45/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 1 - **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:** 0 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/education/1-2000) Data licensed for AI Agent attribution under CC-BY-NC 4.0.