Mahjong Score Calculator (sanma) is a utility app for calculating Mahjong scores and managing match records on iOS.
The App DNA
What makes this app unique?
It removes the cognitive load of manual Fu and Tsumo-loss calculations, which are often complex in 3-player Mahjong formats.
For Mahjong players seeking digital tools to calculate scores and track match statistics for both 3-player and 4-player games.
What does it look like?
Key features
Specialized scoring logic for 3-player Mahjong including Tsumo-loss rules.
Automated calculation of Mahjong scores including Fu and Mangan logic.
Tracks match history, player lists, and statistics over custom periods.
How much does it cost?
The app is distributed as a free utility with no in-app purchases or subscription gates.
Velocity
Maintenance developmentperformanceopaqueShow more...
The app maintains a maintenance-level cadence, shipping approximately one release every four weeks. Development is currently limited to minor bug fixes, with no evidence of new features or live operations content. The latest release continues this trend of stability-focused updates. The development cycle remains stable but strictly focused on maintenance rather than growth.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Mahjong Score Calculator(sanma
How's the Utilities market?
Mahjong Score Calculator (sanma) occupies a niche utility space as a free, ad-free tool for scorekeeping. Its lack of monetization signals a focus on community utility rather than revenue generation.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Mahjong Score Calculator(sanma
Where is it heading?
The utility market for Mahjong scoring is currently stable, with most users prioritizing accuracy and speed over social features. Mahjong Score Calculator (sanma) remains well-positioned for its current audience, but will need to introduce cloud-based sync to prevent churn as users seek more persistent data management.
- The app ships bug fixes at a 28-day cadence, indicating a stable but maintenance-only development posture.
The SWOT
- Specialized Sanma scoring logic removes manual calculation friction.
- Cloud-sync for match records would increase user retention.
Next best moves
Audit user-requested features because the current maintenance cadence risks stagnation → maintain utility relevance
The counter-intuitive read
The app's lack of monetization is its primary competitive advantage…
Read the full takeSince the last report: The app expanded its scoring logic to include M.League standards and repositioned its ad-free model as a primary competitive differentiator.
Bottom line
Mahjong Score Calculator (sanma) serves its core utility function well, but its maintenance-only posture limits its growth potential. Prioritizing a cloud-sync feature would provide a clear differentiator for users who currently rely on local-only storage.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Mahjong Score Calculator (sanma) free to use?
Does Mahjong Score Calculator (sanma) support 4-player Mahjong?
What makes Mahjong Score Calculator (sanma) different from other calculators?
Sources
- [1] App Store, source
Report last updated