Riichi Mahjong Score Calc

Riichi Mahjong Score Calc

By kotaro yamada

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

Riichi Mahjong Score Calculatorstandard

Calculates exact points and payment splits based on han, fu, dealer status, and win type.

Fu Breakdown Analysisedge

Visualizes the calculation logic for fu counts including melds, pairs, and waits.

Beginner Study Guideedge

Twenty-topic curriculum covering rules, scoring, and terminology.

How much does it cost?

freeFree to play with ads

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.

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Who built it?

kotaro yamada

1 app tracked · Utilities

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
0.00 · 0

Not enough recent reviews to extract reliable themes yet.

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Competition

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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The rivals identified

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The 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

Core Strengths
  • 20-topic study guide standardizes terminology for the international riichi community
Critical Frictions 1 weakness inside
Growth Levers
  • Localized ad-free upgrades could capture value from dedicated club-player segments
Market Threats 1 threat identified

Next best moves

1 Invest

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…

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Since 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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FAQ

Is Riichi Mahjong Score Calc a game?
No, it is a utility tool designed for scoring and study, not for playing mahjong.
Does the app work without an internet connection?
Yes, the app is designed to work fully offline, including the scoring table and study guides.
What is the difference between this and a standard mahjong app?
Standard mahjong apps focus on gameplay, whereas this app focuses on the technical rules, scoring calculations, and study materials for riichi mahjong.

Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Riichi Mahjong Score Calc, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

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.

shifted

Roadmap for Ad-Free Upgrade

shifted

Contrarian Take Re-framing

Cite this report

Marlvel.ai. “Riichi Mahjong Score Calc Intelligence Report.” Updated Sep 3, 2026. https://marlvel.ai/apps/riichi-mahjong-score-calc

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