---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "中学生の英単語2000（中学英語よく出る英単語勉強アプリ）"
developer_entity: "StudySwitch, Inc."
bundle_id: "jp.co.gakkonet.quizshooterenglishword"
app_store_id: "531291524"
category: "Education"
primary_platform: "ios"
primary_monetization: "Freemium"
offline_capable: false
market_region: "US"
platforms: "iOS & Android"
app_last_updated: "2025-11-29"
report_date: "2026-09-15"
last_verified: "2026-09-15T00:00:00.000Z"
report_version: "8.10.0"
total_reviews: 22
overall_rating: 4.9
sentiment: "Excited"
sentiment_score: 75
confidence: "high"
confidence_score: 0.8
top_praise_theme: "Quiz-style learning format helps students memorize vocabulary efficiently during short daily study sessions"
top_complaint_theme: "Lack of account synchronization prevents users from retaining their progress when switching to new devices"
review_sample_size: 53
total_review_count: 53
analyzed_review_count: 53
data_age_days: 15
momentum_velocity: "maintenance"
intelligence_version: 19
nemesis: "Tobo: Learn German Words"
competitor_count: 11
tags: ["education", "freemium", "excited sentiment", "mobile app", "app review", "app analysis", "japanese", "junior", "school"]
canonical_url: "https://marlvel.ai/apps/2000-1"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# 中学生の英単語2000（中学英語よく出る英単語勉強アプリ） Intelligence Report

## TL;DR {#tldr}

- **Category**: Education · Freemium
- **Signal**: Rating 4.91 · Sentiment Excited
- **Recent focus**: Lack of account synchronization prevents users from retaining their progress when switching to new devices (top complaint) · Quiz-style learning format helps students memorize vocabulary efficiently during short daily study sessions (top praise)

> **TL;DR:** 中学生の英単語2000（中学英語よく出る英単語勉強アプリ） is a education app by StudySwitch, Inc., rated 4.91/5 by 22 users, with Excited user sentiment (75/100), available on iOS & Android.
>
> **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** 中学生の英単語2000（中学英語よく出る英単語勉強アプリ） maintains Excited user sentiment (4.91/5 from 22 reviews), with users consistently praising quiz-style learning format helps students memorize vocabulary efficiently during short daily study sessions.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.91/5 (22 reviews) |
| **User Mood** | Excited |
| **Category** | Education |
| **Developer** | StudySwitch, Inc. |
| **Pricing** | Freemium |
| **Platforms** | iOS & Android |
| **Confidence** | High (0.8/1.0) |
| **Data Age** | 15d |

## Metadata & Market Performance
- **Publisher:** StudySwitch, Inc.
- **Category:** Education
- **Target Audience:** Japanese junior high school students preparing for school tests and high school entrance exams.
- **Platforms:** iOS & Android
- **Version Reviewed:** 8.10.0
- **Report Date:** 2026-09-15
- **Signal Count:** 53 reviews analyzed
- **Confidence:** High (0.8/1.0)
- **App Store ID (iOS):** 531291524
- **Bundle ID:** jp.co.gakkonet.quizshooterenglishword
- **Google Play ID:** jp.co.gakkonet.quizshooterenglishword
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-09-15
- **Short Description:** Let's study basic English words for junior high school English! An English word learning app that is perfect for studying for exams in the first and second years of junior high school and studying for exams in the third year of junior high school.

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** 中学生の英単語2000 is a vocabulary learning app for Japanese junior high school students, featuring a gamified quiz interface and audio pronunciation on iOS and Android.
**Why users hire it:** The app removes the cognitive friction of rote memorization for students preparing for school and entrance exams by providing a structured, repetition-based study environment.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] 2,000 Vocabulary Word Library:** Curated list of English words covering seasons, numbers, and school-test-frequent vocabulary. Core content volume drives daily usage.
  * *User Intent:* Users are motivated by consistent progression and daily incentives.
- **[Standard] Audio Pronunciation:** Integrated audio playback for every vocabulary word to support auditory learning. Increases time-in-app per session.
  * *User Intent:* Users seek enhanced value through premium features.
- **[Standard] Serious Study Plan:** In-app purchase option to remove advertisements. Paid-tier gate for users seeking an uninterrupted study environment.
  * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior.
- **[Differentiator] Game-like Interface:** Gamified quiz-style presentation of vocabulary for repetitive practice. Retention mechanism that reinforces the daily study habit.
  * *User Intent:* Users are motivated by consistent progression and daily incentives.
<!-- /section:features -->

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

中学生の英単語2000 holds a 4.9-star rating across 22 reviews, positioning itself as a high-utility, niche educational tool for the Japanese junior high market. The recent update cadence indicates a shift toward monetization, though the lack of cloud sync limits its competitive standing against modern, feature-rich rivals.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Freemium
- **Tiers:** Free with in-app advertisements, Serious Study Plan (ad-free) via IAP
- **Analysis:** The freemium model relies on ad-supported access with a single IAP gate to remove ads for power users.

<!-- section:sentiment -->
## 🟢 User Sentiment (High Confidence: 53 of 53 reviews analyzed) {#user-sentiment}
- **Overall Rating:** 4.91/5
- **Platform Split:** iOS 4.9/5 (22 ratings)
- **Overall Sentiment:** Excited

### Top Praises
- **Quiz-style learning format helps students memorize vocabulary efficiently during short daily study sessions**
- **High-quality audio pronunciation guides provide essential support for students mastering English vocabulary and speech**
- **Free access to a large volume of educational content provides significant value for middle school students**

### Top Complaints (Impact Areas)

- **Lack of account synchronization prevents users from retaining their progress when switching to new devices**

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

**Core Strengths:**
- Gamified quiz-style interface reduces friction for rote memorization
- 2,000-word library covers specific school-test-frequent vocabulary

**Growth Levers:**
- Implementing cloud-based account synchronization would eliminate the primary churn risk for users upgrading hardware


<!-- /section:swot -->
## Recent Changes (v18 → v19) {#recent-changes}

The app's competitive outlook has sharpened to acknowledge the threat of AI-driven alternatives, while internal development priorities have shifted to address audio usability and data persistence. These changes reflect a defensive response to user churn and emerging competitive pressures.

**Overall trend**: Mixed
**Compared at**: 2026-09-15

### High-impact changes
- **[Shifted] PM Action Item Priority** (positioning)

### Medium-impact changes
- **[] AI-driven competitive threat** (swot)
- **[] Emergence of inappropriate ad complaints** (sentiment)

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### 中学生の英単語2000（中学英語よく出る英単語勉強アプリ） vs Tobo: Learn German Words
- **[Tobo: Learn German Words](https://marlvel.ai/apps/com-topgermanwordsapp)** by Tobo Languages: Tobo competes directly by offering a high-volume, gamified vocabulary acquisition experience that targets the same casual language learner demographic as our junior high English app.
  - **Key differences:**
    - Massive user base and review volume create a significant social proof barrier for new entrants
    - Advanced gamification mechanics drive higher daily retention compared to our static word list approach
    - Sophisticated progress tracking features provide users with deeper insights into their long-term learning journey

### Contenders (Strong Challengers)
- **[WordBit French (for English)](https://marlvel.ai/apps/wordbit-french-for-english)** by WordBit: WordBit competes by integrating vocabulary learning into the user's daily routine via lockscreen notifications.
  - Lockscreen learning feature forces passive exposure to vocabulary without requiring a dedicated app launch
  - Study alarm system ensures consistent daily practice by nudging users at scheduled intervals
- **[Real Kanji](https://marlvel.ai/apps/real-kanji)** by Hoo Logic: This app competes for the attention of students focused on Japanese academic success and character mastery.
  - Lookup integration allows users to quickly find definitions, reducing friction during intensive study sessions
  - Customizable display settings enable users to tailor the interface to their specific learning preferences
- **[Japanese Hiragana and Katakana](https://marlvel.ai/apps/japanese-hiragana-and-katakana)** by Internet Stack: It targets the same Japanese education market, focusing on foundational literacy skills for beginners.
  - Stroke order practice provides tactile learning benefits that our current vocabulary-only app lacks
  - Audio pronunciation features offer immediate feedback which is critical for early-stage language learners
- **[Polyglot - Spanish Words](https://marlvel.ai/apps/polyglot-spanish-words)** by Axidep LLC: This app competes by utilizing a spaced repetition system to master vocabulary, mirroring our goal of efficient word retention.
  - Contextual sentence learning helps users understand word usage rather than just memorizing isolated definitions
  - Spaced repetition algorithms provide a more scientific approach to long-term memory retention than simple lists

### Peers (What They Do Better)
- **[Duolingo English Test (DET)](https://marlvel.ai/apps/com-duolingo-detmobile)** by Duolingo: It occupies the high-stakes English testing market, serving as a benchmark for students preparing for exams.
  - Biometric scanning and ID verification establish a high-trust environment for official certification
  - Comprehensive environment setup tools ensure that testing conditions are standardized for all users
- **[Learn Catalan (Beginners)](https://marlvel.ai/apps/learn-catalan-beginners)** by BNR LANGUAGES INC.: It serves the same beginner-level language learning segment, focusing on foundational vocabulary and audio.
  - Weekly ranking systems introduce a competitive element that encourages consistent user participation
  - Native audio playback ensures learners develop correct pronunciation from the very beginning of their studies
- **[Write It! - Learn Languages](https://marlvel.ai/apps/write-it-learn-languages)** by Jernung: This app shares the educational space by focusing on the physical act of writing to reinforce language learning.
  - Real handwriting recognition technology provides immediate, actionable feedback on character formation accuracy
  - Stroke-by-stroke guidance offers a structured learning path that is superior to passive reading
- **[Nuva - English Tutor](https://marlvel.ai/apps/com-nexuskairos-nuva)** by Nexus Kairos LLC: Nuva offers AI-driven English tutoring, representing a modern, interactive alternative to our static word list app.
  - AI-powered conversation practice provides real-time feedback that static word apps cannot replicate
  - Mock testing capabilities offer a more comprehensive preparation experience for standardized English exams

### New Kids on the Block (What's Innovative)
- **[Articulate: Speech Trainer](https://marlvel.ai/apps/articulate-speech-trainer)** by Anton Sorokin: This app focuses on the pronunciation aspect of language learning, a key pain point for English students.
  - Real-time AI pronunciation analysis provides immediate corrective feedback on specific speech sounds
- **[Repeatify](https://marlvel.ai/apps/repeatify)** by Asahi Kobori: A new entrant using AI to generate personalized wordbooks, directly challenging our static content model.
  - AI-generated learning content allows for highly personalized study paths based on individual user needs

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

- **Latest (v1.0.2, 13 years ago):** Minor bug fixes.
<!-- /section:whats-new -->

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

- Shipped ad-free IAP subscription plan.
- Updated system components for current platforms.
- Maintenance-mode cadence, infrequent major releases.

> **Cadence:** 5 total versions · 3 majors in last 6 months · 176 days since last update · 415 days avg between updates

<!-- /section:momentum -->

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

中学生の英単語2000（中学英語よく出る英単語勉強アプリ） is a market-leading education app that is free with in-app purchases.
With a 4.91/5 rating from 22 reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** Implementing cloud-based account synchronization would address the primary friction point driving negative sentiment and user churn. This move would secure the study habit for users upgrading their hardware, protecting the retention loop against AI-driven competitors.
<!-- speakable-end -->

**Best for:** Japanese junior high school students preparing for school tests and high school entrance exams.

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

- [ ] [INVEST] Ship cloud-based account synchronization because users report losing progress on device changes → increase long-term retention
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors


- Cloud-based progress synchronization (available in modern rivals but missing here)
<!-- /section:feature-gaps -->

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

The market for junior high English study tools is shifting toward personalized, AI-driven experiences, leaving static word-list apps like 中学生の英単語2000 exposed. Unless the developer prioritizes cloud synchronization to retain users across hardware upgrades, the app risks losing its established base to more modern, feature-rich competitors.

- 🟢 The latest release introduced a paid ad-free plan, which directly addresses user requests for ad removal.
- 🔴 The lack of cloud-based progress saving remains a critical friction point for users upgrading their hardware.
<!-- /section:outlook -->

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

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

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.91/5 |
| Total Reviews | 22 |
| Sentiment | Excited (75/100) |
| Confidence | High |
| Pricing Model | Freemium |
| Platforms | iOS & Android |
| Key Features | 4 analyzed |
| Trend | Mixed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **中学生の英単語2000（中学英語よく出る英単語勉強アプリ）** (this app) | 4.91/5 | Excited | StudySwitch, Inc. |
| [Nuva - English Tutor](https://marlvel.ai/apps/com-nexuskairos-nuva) | 5.0/5 | N/A | Nexus Kairos LLC |
| [Duolingo English Test (DET)](https://marlvel.ai/apps/com-duolingo-detmobile) | 3.1/5 | N/A | Duolingo |
| [Write It! - Learn Languages](https://marlvel.ai/apps/write-it-learn-languages) | 1.0/5 | n/a | Jernung |
| [Polyglot - Spanish Words](https://marlvel.ai/apps/polyglot-spanish-words) | 4.0/5 | N/A | Axidep LLC |
| [Real Kanji](https://marlvel.ai/apps/real-kanji) | 4.4/5 | N/A | Hoo Logic |

## 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/%E4%B8%AD%E5%AD%A6%E7%94%9F%E3%81%AE%E8%8B%B1%E5%8D%98%E8%AA%9E2000-%E4%B8%AD%E5%AD%A6%E8%8B%B1%E8%AA%9E%E3%82%88%E3%81%8F%E5%87%BA%E3%82%8B%E8%8B%B1%E5%8D%98%E8%AA%9E%E5%8B%89%E5%BC%B7%E3%82%A2%E3%83%97%E3%83%AA/id531291524?uo=4)
- **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=jp.co.gakkonet.quizshooterenglishword&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/apps/com-nexuskairos-nuva) (Nexus Kairos LLC) · 5.0/5 Rating
- [*Duolingo English Test (DET)*](https://marlvel.ai/apps/com-duolingo-detmobile) (Duolingo) · 3.1/5 Rating
- [*Write It! - Learn Languages*](https://marlvel.ai/apps/write-it-learn-languages) (Jernung) · 1.0/5 Rating
- [*Polyglot - Spanish Words*](https://marlvel.ai/apps/polyglot-spanish-words) (Axidep LLC) · 4.0/5 Rating
- [*Real Kanji*](https://marlvel.ai/apps/real-kanji) (Hoo Logic) · 4.4/5 Rating
- [*Articulate: Speech Trainer*](https://marlvel.ai/apps/articulate-speech-trainer) (Anton Sorokin) · N/A Rating
- [*Japanese Hiragana and Katakana*](https://marlvel.ai/apps/japanese-hiragana-and-katakana) (Internet Stack) · 5.0/5 Rating
- [*Learn Catalan (Beginners)*](https://marlvel.ai/apps/learn-catalan-beginners) (BNR LANGUAGES INC.) · 5.0/5 Rating
- [*WordBit French (for English)*](https://marlvel.ai/apps/wordbit-french-for-english) (WordBit) · 4.3/5 Rating
- [*Repeatify*](https://marlvel.ai/apps/repeatify) (Asahi Kobori) · N/A Rating

## Frequently Asked Questions {#faq}

### Is 中学生の英単語2000 suitable for high school entrance exam preparation?

Yes, the app includes 2,000 words frequently appearing in junior high school tests and high school entrance exams, making it a targeted resource for this demographic.

### How does 中学生の英単語2000 compare to AI-based language apps?

Unlike AI-based apps that generate personalized study paths, 中学生の英単語2000 uses a static, curated library of 2,000 words specifically aligned with the Japanese junior high school curriculum.

### Does the app save my progress if I switch to a new phone?

No, users report that the app currently lacks cloud-based account synchronization, which means progress is not automatically saved or restored when switching devices.

### Are there ad-free alternatives to the free version?

Yes, the developer recently introduced the 'Serious Study Plan' as an in-app purchase, which removes advertisements for users seeking an uninterrupted study environment.

## 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:** 0.8/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 53
- **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:** 15 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/2000-1)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.