RiichiKun: Mahjong Calculator
RiichiKun is a digital scoring utility for in-person Riichi Mahjong matches on iOS.
The App DNA
What makes this app unique?
It removes the cognitive friction of manual Fu and point calculations, allowing players to focus on the match flow rather than arithmetic.
For Riichi Mahjong players needing a digital scoring aid for home games, club meetups, or tournament practice.
What does it look like?
Key features
Calculates base points for Ron and Tsumo based on user-selected Han and hand parameters.
Digital interface for tracking Honba, Riichi bets, and dealer rotation during matches.
Logs past game results including final placements and point swings.
How much does it cost?
The freemium model gates historical data and aesthetic customization to drive conversion to the Pro tier.
Velocity
Maintenance developmentUX improvementsShow more...
The app has been in a maintenance phase for the last 177 days, with only one minor release recorded in the analyzed window. Development is limited to technical adjustments, specifically addressing point calculation logic. Given the lack of updates over the past six months, the project shows no signs of active feature development or live operations. Future updates remain infrequent and focused strictly on stability.
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 RiichiKun: Mahjong Calculator
How's the Utilities market?
RiichiKun occupies a specialized niche within the Utilities category, focusing on in-person Mahjong scoring. The app's reliance on a single, infrequent update cadence suggests a low-intensity competitive posture compared to broader gaming tools.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for RiichiKun: Mahjong Calculator
Where is it heading?
The market for niche Mahjong utilities is currently fragmented, with RiichiKun holding a stable position by focusing on core scoring. Future growth depends on moving beyond maintenance to address the learning curve for new players, which would expand the addressable user base.
- The current maintenance-only cadence ensures stability but prevents the app from capturing new segments like beginner learners.
The SWOT
- Scoring automation removes manual calculation barriers
- Digital score tracking replaces physical sticks
- Adding Yaku reference guides for beginners
Next best moves
Ship a Yaku reference guide because beginners report struggling with complex hand patterns -> increase new-user retention
The counter-intuitive read
The app's lack of updates is a feature for the target audience…
Read the full takeBottom line
RiichiKun provides a stable scoring utility, but the current maintenance-only cadence risks ceding the niche to more active developers who can iterate on Yaku-reference features or tournament-specific tools.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is RiichiKun suitable for beginners?
Does RiichiKun require a subscription?
Can I use RiichiKun for tournament practice?
Sources
- [1] App Store
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