Agari: Riichi Mahjong Trainer

Agari: Riichi Mahjong Trainer

By Vytautas Jazbutis

Agari is a riichi mahjong trainer for iOS that provides engine-verified scoring and discard efficiency drills for beginner to intermediate players.

The App DNA

What makes this app unique?

The app removes the cognitive friction of manual scoring and complex yaku rules, which are the primary barriers to entry for new riichi mahjong players.

For Beginner to intermediate riichi mahjong players seeking to improve scoring accuracy and tile efficiency through structured practice.

What does it look like?

Key features

Riichi Mahjong Scoring Engineedge

Automated detection of yaku, yakuman, and fu counting for dealer and non-dealer hands.

Efficiency Drills (何切る)edge

Practice tool for selecting discards based on acceptance counts (ukeire) to maximize hand potential.

Spaced-Repetition Learningedge

Missed problems reappear on a schedule keyed to specific yaku or discard skills.

How much does it cost?

freemiumFree tier with basic lessons and limited scoring/efficiency drillsAgari Pro monthly subscriptionAgari Pro lifetime purchase

Freemium model gates advanced scoring tiers and efficiency drills behind Agari Pro, offering both recurring subscription and one-time purchase options.

Velocity

Maintenance developmentUX improvementsperformanceShow more...

Agari: Riichi Mahjong Trainer currently ships at a maintenance cadence, with two releases identified over the recent window. Development is focused on technical refinements, such as fixing tile rendering issues, and improving store-facing assets like screenshots and descriptions. The latest release also included internal cleanup by removing unused demo data from the production build. The project shows a stable, low-frequency update pattern typical of a finished utility tool.

See all version history

Who built it?

Vytautas Jazbutis

9 apps tracked · Games

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User Sentiment

What do users think recently?

How are ratings & reviews evolving?

App Store
2.00 · 1

Not enough recent reviews to extract reliable themes yet.

Read the full review analysis

Competition

Competitive landscape for Agari: Riichi Mahjong Trainer

How's the Games market?

Agari occupies a niche in the Games category, currently maintaining a 2-star rating on the App Store based on a single review. The limited review volume suggests the app is in an early discovery phase, requiring increased user-base engagement to establish a competitive baseline.

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The rivals identified

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The Analyst's Read

Key takeaways for Agari: Riichi Mahjong Trainer

Where is it heading?

The riichi mahjong training market is consolidating around high-fidelity, engine-verified tools that solve specific skill gaps. Agari is currently in a defensive posture, where the priority must be stabilizing the user experience to match the accuracy of its scoring engine, or it risks being displaced by free community alternatives.

  • The 2-star rating on the App Store suggests early-stage friction that could lead to high churn if not addressed immediately.
  • Maintenance-only update cadence indicates a focus on stability, which is appropriate for a utility-focused trainer but limits growth potential.

The SWOT

Core Strengths
  • Engine-verified scoring provides a defensible accuracy advantage over manual reference apps
  • Spaced-repetition learning creates a measurable skill-improvement loop
Critical Frictions 2 weaknesses inside
Growth Levers
  • Localized scoring drills could capture non-English speaking markets
  • Daily challenge mode could improve retention for casual learners
Market Threats 2 threats identified

Next best moves

1 Pivot · 1 Invest

Audit onboarding flow because the current 2-star rating indicates early-stage friction → improve initial user retention

+ 1 more prioritized move

The counter-intuitive read

The 2-star rating is a positive signal for a niche trainer…

Read the full take

Since the last report: The app's competitive outlook shifted from stable to mixed following the emergence of a 2-star rating, prompting a pivot toward onboarding and retention-focused development.

Bottom line

Agari's engine-verified scoring provides a clear utility for serious learners, but the current low rating suggests the onboarding requires immediate refinement to convert interest into retention. Prioritizing stability and user-flow polish will unlock the value of the core engine for the target audience.

Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.

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FAQ

Is Agari suitable for complete beginners?
Yes, Agari includes a guided course with fourteen illustrated lessons covering the basics from your first tile to your first win.
How does Agari compare to free online mahjong calculators?
Agari provides a dedicated, offline-capable training environment with spaced-repetition drills, whereas most free calculators are limited to one-off scoring lookups.
Does Agari require an internet connection?
No, Agari works fully offline, allowing you to practice scoring and efficiency drills without a data connection.
What are some alternatives to Agari for learning riichi mahjong?
Users can consider free community-run mahjong resources or web-based calculators, though these often lack the structured, spaced-repetition learning path found in Agari.

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 Agari: Riichi Mahjong Trainer, 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 app's competitive outlook shifted from stable to mixed following the emergence of a 2-star rating, prompting a pivot toward onboarding and retention-focused development.

declined

Emergence of 2-star rating

added

New competitive threats and weaknesses

shifted

Strategic focus pivot

added

New growth opportunities

Cite this report

Marlvel.ai. “Agari: Riichi Mahjong Trainer Intelligence Report.” Updated Sep 7, 2026. https://marlvel.ai/apps/agari-riichi-mahjong-trainer

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