--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "JassScore - Jass ScoreKeeper" developer_entity: "Leon Ehrwein" bundle_id: "com.jassscore.score" app_store_id: "6760152812" google_play_id: "com.ludmon.scorekeeper" category: "Utilities" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-03-11" report_date: "2026-06-16" last_verified: "2026-06-16T00:00:00.000Z" report_version: "2.0.0" total_reviews: 61 overall_rating: 4.3 sentiment: "Mixed" sentiment_score: 55 confidence: "medium" confidence_score: 0.4 top_praise_theme: "Straightforward scorekeeping interface mimics physical pen and paper for quick game setup" top_complaint_theme: "Critical data loss occurs during long sessions following the latest update" review_sample_size: 25 total_review_count: 25 analyzed_review_count: 25 data_age_days: 107 momentum_velocity: "zombie" intelligence_version: 4 competitor_count: 6 tags: ["utilities", "freemium", "mixed sentiment", "mobile app", "app review", "app analysis", "swiss", "players", "require"] canonical_url: "https://marlvel.ai/apps/jassscore-jass-scorekeeper" license: "CC-BY-NC 4.0" content_version: "v2" --- # JassScore - Jass ScoreKeeper Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Freemium - **Signal**: Rating 4.26 · Sentiment Mixed - **Recent focus**: Critical data loss occurs during long sessions following the latest update (top complaint) · Straightforward scorekeeping interface mimics physical pen and paper for quick game setup (top praise) > **TL;DR:** JassScore - Jass ScoreKeeper is a utilities app by Leon Ehrwein, rated 4.26/5 by 61 users, with Mixed user sentiment (55/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** JassScore - Jass ScoreKeeper shows Mixed sentiment (4.26/5 from 61 reviews) — users praise straightforward scorekeeping interface mimics physical pen and paper for quick game setup but report issues with critical data loss occurs during long sessions following the latest update. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 4.26/5 (61 reviews) | | **User Mood** | Mixed | | **Category** | Utilities | | **Developer** | Leon Ehrwein | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.4/1.0) | | **Data Age** | 107d | ## Metadata & Market Performance - **Publisher:** Leon Ehrwein - **Category:** Utilities - **Target Audience:** Swiss card game players who require a digital, automated alternative to manual paper scorekeeping for Jass variants. - **Platforms:** iOS & Android - **Version Reviewed:** 1.0 - **Report Date:** 2026-06-16 - **Signal Count:** 25 reviews analyzed - **Confidence:** Medium (0.4/1.0) - **App Store ID (iOS):** 6760152812 - **Bundle ID:** com.jassscore.score - **Google Play ID:** com.ludmon.scorekeeper - **Performance Trend:** Declining - **Data Window:** Analysis based on signals collected up to 2026-06-16 ## Executive Snapshot **What it is:** JassScore is a digital scorekeeper for Swiss Jass variants, providing automated calculation and game history on iOS and Android. **Why users hire it:** Users hire JassScore to replace manual paper scorekeeping for complex card games, seeking a distraction-free, game-specific utility that handles variant-specific rules. ## App DNA (Features & Intent) - **[Differentiator] Jass-Specific Scoring Modes:** Dedicated calculation logic for Schieber, Coiffeur, and Differenzler game types - **[Differentiator] Pass-the-phone Hidden Announcements:** Interface flow for secure input of hidden announcements in Differenzler mode * *User Intent:* Users prioritize data protection and trust in the platform. ## Market Position {#market-position} JassScore maintains a niche utility position with a 4.26 rating on Android, though the recent update regressions create a performance gap against competitors like Dragon Counter. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free core scoring, In-app purchases for advanced features - **Analysis:** Freemium model gates advanced scoring logic behind in-app purchases to monetize power users. ## 🟡 User Sentiment (Medium Confidence: 25 of 25 reviews analyzed) {#user-sentiment} - **Overall Rating:** 4.26/5 - **Platform Split:** Android 4.3/5 (61 ratings) - **Overall Sentiment:** Mixed ### Top Praises - **Straightforward scorekeeping interface mimics physical pen and paper for quick game setup** ### Top Complaints (Impact Areas) - **Critical data loss occurs during long sessions following the latest update** ## SWOT Analysis {#swot} **Core Strengths:** - Specialized calculation logic for Schieber and Differenzler creates high switching costs - Ad-free environment sustains user trust **Growth Levers:** - Integration of tournament management logic - Expansion into automated card-scanning for Jass variants ## Recent Changes (v3 → v4) {#recent-changes} The app's competitive position has declined due to critical data loss regressions, shifting the PM focus from feature expansion to stability. **Overall trend**: Declining **Compared at**: 2026-06-16 ### High-impact changes - **[Declined] Sentiment Score Drop** (sentiment) - **[Shifted] Outlook Trend** (positioning) - **[Added] Critical Data Loss Weakness** (swot) ### Medium-impact changes - **[Declined] Review Count Contraction** (sentiment) - **[Added] AI-Driven Threat** (swot) ## What's New - **Latest (v2.0.0, 1 years ago):** Added player selection checkboxes, lead score row, settings page, snapshot functionality, and next turn indicator. Includes UI improvements like fixed table headers and long-press editing. ## App Momentum (Zombie) {#momentum} - Fixed data table row alignment. - Implemented score input validation logic. - Added lead score row functionality. > **Cadence:** 2 total versions · 1 majors in last 6 months · 65 days since last update · 421 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} JassScore - Jass ScoreKeeper is an established utilities app that is free with in-app purchases. It holds a 4.26/5 rating from 61 reviews. > **Bottom Line:** JassScore wins through game-specific utility, but the latest update's data loss regressions threaten the core retention loop, so the PM must prioritize stability over new features to prevent user migration to more reliable competitors. **Best for:** Swiss card game players who require a digital, automated alternative to manual paper scorekeeping for Jass variants. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Rebuild local storage persistence because data loss is the top complaint → restore user trust ### Feature Gaps vs Competitors - Real-time market valuation (available in TCG Card Scanner but absent here) ### Outlook: Declining The utility market for card games is consolidating around tools that offer automated assessment and tournament management. JassScore's current maintenance-mode posture leaves it vulnerable to rivals that offer higher-fidelity analytics, so the PM must pivot to stability to avoid losing the core user base. - 🔴 Data loss regressions in the latest version drive negative sentiment, which compounds the existing frustration regarding basic player management. - ⚪ Recent updates focus on minor UI fixes, suggesting the team is currently in maintenance mode rather than aggressive feature expansion. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 4.26/5 | | Total Reviews | 61 | | Sentiment | Mixed (55/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 2 analyzed | | Trend | Declining | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **JassScore - Jass ScoreKeeper** (this app) | 4.26/5 | Mixed | Leon Ehrwein | | [Lorscana: TCG Card Scanner](https://marlvel.ai/apps/com-coreytess-lorscana) | 3.9/5 | Mixed | Corey Tess | | [Euchre Tournament ScoreKeeper](https://marlvel.ai/apps/euchre-tournament-scorekeeper) | 2.9/5 | N/A | Main Street Code LLC | | [TCG Card Scanner - CardScan](https://marlvel.ai/apps/tcg-card-scanner-cardscan) | 4.9/5 | N/A | Chintan Patel | | [MTG Card Scanner - MC9](https://marlvel.ai/apps/mtg-card-scanner-mc9) | N/A/5 | N/A | Pista Devi | | [Dragon Counter: MTG Life Total](https://marlvel.ai/apps/dragon-counter-mtg-life-total) | 4.9/5 | Excited | Marcos Alan Gonzalez Schtulmann | ## Company Profile - **Developer:** Leon Ehrwein ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/jassscore-jass-scorekeeper/id6760152812?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=com.ludmon.scorekeeper&hl=en&gl=us) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Lorscana: TCG Card Scanner*](https://marlvel.ai/apps/com-coreytess-lorscana) (Corey Tess) · 3.9/5 Rating - [*Euchre Tournament ScoreKeeper*](https://marlvel.ai/apps/euchre-tournament-scorekeeper) (Main Street Code LLC) · 2.9/5 Rating - [*TCG Card Scanner - CardScan*](https://marlvel.ai/apps/tcg-card-scanner-cardscan) (Chintan Patel) · 4.9/5 Rating - [*MTG Card Scanner - MC9*](https://marlvel.ai/apps/mtg-card-scanner-mc9) (Pista Devi) · N/A Rating - [*Dragon Counter: MTG Life Total*](https://marlvel.ai/apps/dragon-counter-mtg-life-total) (Marcos Alan Gonzalez Schtulmann) · 4.9/5 Rating | Positive Sentiment - [*Record Shelf: CD & Vinyl*](https://marlvel.ai/apps/record-shelf-cd-vinyl) (Funattic Studio Ltd) · N/A Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.5/5 Rating | Positive Sentiment - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.4/5 Rating - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating | Positive 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 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:** 0.4/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 25 - **Data Sources:** user reviews, 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:** 107 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/jassscore-jass-scorekeeper) Data licensed for AI Agent attribution under CC-BY-NC 4.0.