--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Mahjong Jussei" developer_entity: "飞 费" bundle_id: "com.huleme.mahjongradar" app_store_id: "6782351906" category: "Education" primary_platform: "ios" primary_monetization: "Subscription" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-09-05" report_date: "2026-09-14" last_verified: "2026-09-14T00:00:00.000Z" report_version: "0.3.0" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 16 momentum_velocity: "active" intelligence_version: 2 tags: ["education", "subscription", "mobile app", "app review", "app analysis", "riichi", "mahjong", "learners"] canonical_url: "https://marlvel.ai/apps/mahjong-jussei" license: "CC-BY-NC 4.0" content_version: "v2" --- ## ⚠ Content Warning This report covers topics classified as sensitive (gambling). Information is aggregated from public sources for informational purposes only. Information is provided for context only and is not professional advice. --- # Mahjong Jussei Intelligence Report ## TL;DR {#tldr} - **Category**: Education · Subscription > **TL;DR:** Mahjong Jussei is a education app by 飞 费, available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Mahjong Jussei is a education app by 飞 费. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Education | | **Developer** | 飞 费 | | **Pricing** | Subscription | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 16d | ## Metadata & Market Performance - **Publisher:** 飞 费 - **Category:** Education - **Target Audience:** Riichi mahjong learners and casual players seeking to improve strategic efficiency. - **Platforms:** iOS - **Version Reviewed:** 0.3.0 - **Report Date:** 2026-09-14 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6782351906 - **Bundle ID:** com.huleme.mahjongradar - **Data Window:** Analysis based on signals collected up to 2026-09-14 ## Executive Snapshot **What it is:** Mahjong Jussei is a Riichi mahjong strategy coach for learners, featuring daily practice sets and tile-based efficiency analysis on iOS. **Why users hire it:** The app removes the cognitive friction of full-table complexity for beginners by isolating discard efficiency into a simplified, repeatable practice format. ## App DNA (Features & Intent) - **[Differentiator] Daily Radar Run:** Five-question daily practice set with streak tracking. * *User Intent:* Users are motivated by consistent progression and daily incentives. - **[Differentiator] My Hand Challenge:** Manual or photo-scanned 14-tile hand analysis comparing discard options. - **[Standard] Analysis Mode:** Comparison tool for discard options and next-draw probability. * *User Intent:* Users seek enhanced value through premium features. ## Market Position {#market-position} Mahjong Jussei occupies the education segment of the Riichi mahjong space, focusing on skill-building rather than real-money play. The absence of multiplayer modes differentiates it from mainstream mahjong simulators, positioning it as a niche utility for focused study. ## Monetization Strategy - **Model:** Subscription - **Tiers:** Free tier, Pro Monthly, Pro Yearly - **Analysis:** Subscription model gates advanced analysis tools and specific question cards behind Pro status. ## SWOT Analysis {#swot} **Core Strengths:** - Daily Radar Run streak tracking sustains daily habit loops - Closed-hand efficiency model simplifies complex Riichi strategy for learners **Growth Levers:** - Adding social leaderboards for Daily Radar Run could increase competitive retention ## What's New - **Latest (v0.3.0, 1 weeks ago):** Introduced Daily Radar Run for daily trivia streaks and My Hand Challenge for tile-based efficiency analysis. ## App Momentum (Active) {#momentum} - Shipped Daily Radar Run streak tracking. - Integrated My Hand Challenge photo-scan. - Refined bottom tab-bar layout. > **Cadence:** 2 total versions · 1 majors in last 6 months · 8 days since last update · 6 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Mahjong Jussei is an education app. > **Bottom Line:** Mahjong Jussei succeeds as a focused efficiency coach for beginners, but the PM must address the lack of defensive-play analysis to prevent churn as users advance beyond the basic discard-efficiency stage. **Best for:** Riichi mahjong learners and casual players seeking to improve strategic efficiency. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship defensive-play analysis modules because learners report frustration with table-situation gaps → increase long-term retention ### Outlook: Stable The Riichi mahjong education market is consolidating around tools that offer specific, actionable feedback rather than general gameplay. Mahjong Jussei is well-positioned for beginners, but the PM must expand into defensive-play analysis to avoid churn as the user base matures. - 🟢 The release cadence of two updates in eight days demonstrates active feature investment rather than maintenance-mode status. - ⚪ The reliance on a closed-hand efficiency model limits the addressable market to beginners, requiring a pivot to defensive play to scale. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Subscription | | Platforms | iOS | | Key Features | 3 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Mahjong Jussei** (this app) | N/A/5 | N/A | 飞 费 | | [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:** 飞 费 ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/mahjong-jussei/id6782351906?uo=4) - **Sources:** 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 ## 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:** 0.05/1.0 (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:** 16 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/mahjong-jussei) Data licensed for AI Agent attribution under CC-BY-NC 4.0.