Report updated Jun 16, 2026
JassScore - Jass ScoreKeeper
For swiss card game players who require a digital, automated alternative to manual paper scorekeeping for Jass variants.
JassScore - Jass ScoreKeeper is an established utilities app that is free with in-app purchases. With a 4.3/5 rating from 61 reviews, it shows polarized user reception. Users particularly appreciate straightforward scorekeeping interface mimics physical pen and paper for quick game setup, though critical data loss occurs during long sessions following the latest update remains a common concern.
What is JassScore - Jass ScoreKeeper?
JassScore is a digital scorekeeper for Swiss Jass variants, providing automated calculation and game history on iOS and Android.
Users hire JassScore to replace manual paper scorekeeping for complex card games, seeking a distraction-free, game-specific utility that handles variant-specific rules.
Current Momentum
v2.0 · 2mo ago
Zombie- Fixed data table row alignment.
- Implemented score input validation logic.
- Added lead score row functionality.
Active Nemesis
Fragmented niche
No dominant direct rival identified yet — see Other Rivals below.
Other Rivals
7-Day Rank Pulse 🇺🇸
UtilitiesNo ranking data
Rating Pulse 🇺🇸
Recent User Mood
What makes this app unique?
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What Are The Key Features?
Dedicated calculation logic for Schieber, Coiffeur, and Differenzler game types
Interface flow for secure input of hidden announcements in Differenzler mode
How much does it cost?
- Free core scoring
- In-app purchases for advanced features
Freemium model gates advanced scoring logic behind in-app purchases to monetize power users.
Who Built It?
Leon Ehrwein
View Publisher Intel →Enrichment in progress
Publisher profile available very soon
What other apps does Leon Ehrwein make?
What do users think recently?
Medium confidence · 25 reviews analyzed
What is the recent mood?
Recent user voice shows a mixed sentiment. Users appreciate straightforward scorekeeping interface mimics physical pen and paper for quick game setup, but report critical data loss occurs during long sessions following the latest update.
Limited review volume (25 reviews). Sentiment analysis will deepen as more data lands.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for JassScore - Jass ScoreKeeper?
Where is it available?
Localized markets (3)
How's The Utilities Market?
Market outlook for this category
Available very soon
The rivals identified
Same space(7)
This app targets the same demographic of card game enthusiasts who require structured scorekeeping for specific traditional games.
Differentiators
- Includes built-in tournament management logic like bye rotation and randomized team selection for organized play.
- Focuses on multi-table tournament coordination rather than the single-table scorekeeping experience provided by JassScore.
Like JassScore, this app focuses on the 'at-the-table' experience, providing a digital interface for tracking game state and scores.
Differentiators
- Features gesture-based controls that allow for rapid score adjustments without navigating complex menu structures.
- Includes visual match history and performance charts that provide deeper post-game analytics than JassScore.
This app competes for the same utility-focused user base by offering automated data capture and organization for physical collections.
Differentiators
- Integrates real-time market data, providing immediate financial valuation which JassScore lacks for its users.
- Utilizes advanced image recognition to automate collection management, reducing manual entry time for the user.
Both apps serve niche hobbyist communities by providing specialized utility tools for tracking and managing physical game components.
Differentiators
- Offers specialized export functionality to Dreamborn.ink, creating a workflow bridge for serious TCG players.
- Provides multi-language scanning capabilities that broaden the addressable market beyond single-region card collectors.
This app competes for the same utility-focused user base, though it focuses on card management rather than scorekeeping.
This is a high-scale utility app that dominates the scorekeeping niche, representing the gold standard for interface-driven game tracking.
While primarily a collection manager, its massive user base and utility-first design make it a primary destination for the same gaming demographic.
New entrants(1)
While in a different hobby category, it competes for the same 'collection management' utility market share as JassScore.
Differentiators
- Implements barcode scanning for rapid library ingestion, setting a high bar for ease of data entry.
Compare JassScore - Jass ScoreKeeper against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for JassScore - Jass ScoreKeeper
Strengths to defend, gaps to attack
Core Strengths
- Specialized calculation logic for Schieber and Differenzler creates high switching costs
- Ad-free environment sustains user trust
Critical Frictions
- Critical data loss in the latest version
- Inability to edit player entries complicates multi-round management
Growth Levers
- Integration of tournament management logic
- Expansion into automated card-scanning for Jass variants
Market Threats
- AI-driven card assessment tools reducing manual entry time
- TCG scanners providing financial valuation
What are the next best moves?
Rebuild local storage persistence because data loss is the top complaint → restore user trust
Data loss reports are driving negative sentiment and churn in the latest version.
Trade-off: Push the tournament management feature to Q3 — stability is the immediate priority.
Ship player entry editing because it is a top-requested management feature → reduce user frustration
Users struggle with mistyped scores and cannot remove players from active lists.
Trade-off: Pause the sorting-option development — editing is a higher-frequency pain point.
A counter-intuitive read
The lack of ads is a double-edged sword: while it builds trust, it limits the revenue needed to fund the rapid development cycles required to compete with AI-automated hobbyist tools.
Feature Gaps vs Competitors
- Real-time market valuation (available in TCG Card Scanner but absent here)
- Tournament management logic (available in Euchre Tournament ScoreKeeper but absent here)
Key Takeaways
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.
Where Is It Heading?
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.