Riichi Mahjong Score Calc is a scoring calculator and study tool for Japanese Riichi Mahjong players on iOS.
The App DNA
What makes this app unique?
The app removes the cognitive friction of manual fu counting and scoring, which is the primary barrier for players moving from casual play to club-level competition.
For Japanese Riichi Mahjong players, from beginners learning the rules to club players needing quick score verification.
What does it look like?
Key features
Calculates exact points and payment splits based on han, fu, dealer status, and win type.
Visualizes the calculation logic for fu counts including melds, pairs, and waits.
Twenty-topic curriculum covering rules, scoring, and terminology.
How much does it cost?
Ad-supported utility model with no paid tiers or subscriptions.
Velocity
Maintenance developmentinternationalizationUX improvementsShow more...
The app currently operates at a maintenance cadence, with only one release recorded in the last 34 days. Development is focused on internationalization, as evidenced by the latest version's transition to full English support for its riichi mahjong terminology and guides. The release history indicates a stable, low-frequency update pattern rather than a high-velocity feature pipeline. Future updates are expected to follow this infrequent, targeted improvement schedule.
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 Riichi Mahjong Score Calc
How's the Utilities market?
Riichi Mahjong Score Calc occupies the utility segment of the Japanese Riichi Mahjong category, focusing on technical scoring verification rather than gameplay. The app maintains a maintenance-mode release cadence, with one major update in the last 34 days.
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Access the full report for freeThe Analyst's Read
Key takeaways for Riichi Mahjong Score Calc
Where is it heading?
The market for specialized riichi utilities remains stable, with demand driven by the technical complexity of scoring rules. Riichi Mahjong Score Calc is well-positioned to serve the international community, provided it can maintain its pedagogical edge against general-purpose mahjong apps.
- The app maintains a maintenance-mode release cadence, focusing on stability and localization rather than aggressive feature expansion.
- Full English localization of the study guide expands the potential user base to international riichi players who previously lacked English-language resources.
The SWOT
- 20-topic study guide standardizes terminology for the international riichi community
- Localized ad-free upgrades could capture value from dedicated club-player segments
Next best moves
Introduce a one-time ad-free upgrade because the current ad-supported model lacks a premium tier for power users → increase ARPU
The counter-intuitive read
The app's maintenance-mode cadence is a strength, not a weakness…
Read the full takeSince the last report: The developer transitioned from a passive ad-only model to an active plan for a one-time ad-free upgrade to capture high-intent club player revenue. This shift in monetization strategy represents the primary change in the app's competitive outlook.
Bottom line
Riichi Mahjong Score Calc defends its niche by prioritizing pedagogical depth over gameplay, but the lack of a paid tier leaves revenue potential on the table. Transitioning to a freemium model would unlock value from the dedicated club-player segment.
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Access the full report for freeFAQ
Is Riichi Mahjong Score Calc a game?
Does the app work without an internet connection?
What is the difference between this and a standard mahjong app?
Sources
- [1] App Store, source
Report last updated