--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "世界の国旗クイズ - はんぷく学習シリーズ" developer_entity: "StudySwitch, Inc." bundle_id: "jp.co.gakko-net.Hanpukun-Drill-Social-Kokki-Free" app_store_id: "440650493" google_play_id: "jp.co.gakkonet.hanpukun_drill_social_kokki_free" category: "Games" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2025-12-19" report_date: "2026-05-20" last_verified: "2026-05-20T01:55:51.967Z" report_version: "7.96.0" total_reviews: 147 overall_rating: 4.5 confidence: "low" confidence_score: 0.05 data_age_days: 57 intelligence_version: 2 tags: ["games", "freemium", "mobile app", "app review", "app analysis", "users", "interested", "general"] canonical_url: "https://marlvel.ai/apps/jp-co-gakko-net-hanpukun-drill-social-kokki-free" license: "CC-BY-NC 4.0" content_version: "v2" --- # 世界の国旗クイズ - はんぷく学習シリーズ App Audit ## TL;DR {#tldr} - **Category**: Games · Freemium - **Signal**: Rating 4.51 > **TL;DR:** 世界の国旗クイズ - はんぷく学習シリーズ is a games app by StudySwitch, Inc., rated 4.51/5 by 147 users, available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** 世界の国旗クイズ - はんぷく学習シリーズ is a games app by StudySwitch, Inc.. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.51/5 (147 reviews) | | **Category** | Games | | **Developer** | StudySwitch, Inc. | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 57d | ## Metadata & Market Performance - **Publisher:** StudySwitch, Inc. - **Category:** Games - **Target Audience:** Users interested in general knowledge, geography education, and brain training. - **Platforms:** iOS & Android - **Version Audited:** 7.96.4 - **Audit Date:** 2026-05-20 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 440650493 - **Bundle ID:** jp.co.gakko-net.Hanpukun-Drill-Social-Kokki-Free - **Google Play ID:** jp.co.gakkonet.hanpukun_drill_social_kokki_free - **Data Window:** Analysis based on signals collected up to 2026-05-20 ## Executive Snapshot 世界の国旗クイズ - はんぷく学習シリーズ is a geography-focused educational app featuring quizzes for 194 countries and regions. It is part of the popular 'Hanpuku' series and provides supplemental information such as capital names and world map locations to support learning. ## App DNA (Features & Intent) - **[Standard] Flag Quiz System:** Includes quizzes for 194 countries and regions, structured from introductory levels to specific regional categories. - **[Standard] Educational Context:** Displays world map locations and capital names after each answer to reinforce geographical knowledge. - **[Standard] Ad-Free Option:** Offers an optional 'Learning Concentration Plan' for users to remove in-app advertisements. ## Monetization Strategy - **Model:** Freemium ## The "So What?" (Strategic Takeaway) {#so-what} 世界の国旗クイズ - はんぷく学習シリーズ is an established games app that is free with in-app purchases. With a 4.51/5 rating from 147 reviews, it shows polarized user reception. > **Bottom Line:** This app provides a structured, gamified approach to learning world flags and geography as part of the established Hanpuku educational series. **Best for:** Users interested in general knowledge, geography education, and brain training. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.51/5 | | Total Reviews | 147 | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **世界の国旗クイズ - はんぷく学習シリーズ** (this app) | 4.51/5 | N/A | StudySwitch, Inc. | | [Royal Match](https://marlvel.ai/apps/royal-match) | 4.7/5 | Frustrated | Dream Games | | [Archero](https://marlvel.ai/apps/archero) | 4.5/5 | Mixed | HABBY | | [Hole.io](https://marlvel.ai/apps/hole-io) | 3.8/5 | Upset | Voodoo | | [YouRiding - Surf and Bodyboard](https://marlvel.ai/apps/youriding-surf-and-bodyboard) | 4.2/5 | N/A | BoardScore, Inc. | | [Bejeweled Blitz](https://marlvel.ai/apps/bejeweled-blitz) | 3.3/5 | N/A | PopCap | ## Company Profile - **Developer:** StudySwitch, Inc. - **Website:** [https://www.studyswitch.co.jp/?appstore](https://www.studyswitch.co.jp/?appstore) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/jp/app/%E4%B8%96%E7%95%8C%E3%81%AE%E5%9B%BD%E6%97%97%E3%82%AF%E3%82%A4%E3%82%BA-%E3%81%AF%E3%82%93%E3%81%B7%E3%81%8F%E5%AD%A6%E7%BF%92%E3%82%B7%E3%83%AA%E3%83%BC%E3%82%BA/id440650493?uo=2) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=jp.co.gakkonet.hanpukun_drill_social_kokki_free&hl=en&gl=jp) - **Dev Site:** [Official Website](https://www.studyswitch.co.jp/?appstore) - **Sources:** App store metadata. ## Related Intel Reports - [*Royal Match*](https://marlvel.ai/apps/royal-match) (Dream Games) — 4.7/5 Rating | Negative Sentiment - [*Archero*](https://marlvel.ai/apps/archero) (HABBY) — 4.5/5 Rating | Mixed Sentiment - [*Hole.io*](https://marlvel.ai/apps/hole-io) (Voodoo) — 3.8/5 Rating | Terrible Sentiment - [*YouRiding - Surf and Bodyboard*](https://marlvel.ai/apps/youriding-surf-and-bodyboard) (BoardScore, Inc.) — 4.2/5 Rating | N/A Sentiment - [*Bejeweled Blitz*](https://marlvel.ai/apps/bejeweled-blitz) (PopCap) — 3.3/5 Rating | N/A Sentiment - [*Temple Run*](https://marlvel.ai/apps/temple-run) (Imangi Studios, LLC) — 4.3/5 Rating | Mixed Sentiment - [*Partymasters - Fun Idle Game*](https://marlvel.ai/apps/partymasters-fun-idle-game) (AI Games FZ) — 4.5/5 Rating | Positive Sentiment - [*Brawl Stars*](https://marlvel.ai/apps/brawl-stars) (Supercell) — 4.5/5 Rating | Negative Sentiment - [*Stumble Guys*](https://marlvel.ai/apps/stumble-guys) (Scopely, Inc.) — 4.5/5 Rating | Positive Sentiment - [*All in Hole: Black Hole Games*](https://marlvel.ai/apps/all-in-hole-black-hole-games) (HOMA GAMES) — 4.8/5 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:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 57 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/jp-co-gakko-net-hanpukun-drill-social-kokki-free) Data licensed for AI Agent attribution under CC-BY-NC 4.0.