Report updated Jun 22, 2026
Kemono Mahjong
For fans of Japanese Riichi Mahjong looking for a complete, ad-free, and rules-compliant mobile experience.
Kemono Mahjong is a market-leading games app that is a paid app. With a 4.8/5 rating from 1.9K reviews, it delivers strong user satisfaction. Users particularly appreciate comprehensive tutorial system effectively teaches complex japanese mahjong rules to complete beginners, though landscape view layout issues on tablets obscure critical game information during matches remains a common concern.
What is Kemono Mahjong?
Kemono Mahjong is a paid, ad-free mobile implementation of Japanese Riichi Mahjong for enthusiasts.
Users hire this app for a distraction-free, rules-compliant practice environment that avoids the predatory monetization of free-to-play alternatives.
Current Momentum
v1.51 · 2mo ago
Active- Shipped landscape view support for tablets
- Ships regular performance and bug fixes
What makes this app unique?
What Does It Look Like?
What Are The Key Features?
Full implementation of Japanese Mahjong following European Mahjong Association standards
In-game guides and tutorials designed to teach Japanese Mahjong to new players
Full game implementation with no advertisements
How much does it cost?
- One-time purchase at $3.99
The app utilizes a flat-fee, one-time purchase model, supported by the explicit absence of ads and IAPs.
Who Built It?
Michael Starling
Providing authentic Japanese Mahjong experiences and utility tools for enthusiasts seeking strategic depth and mobile-optimized play.
Portfolio
2
Apps
What other apps does Michael Starling make?
Explore the full Michael Starling report
Portfolio breakdown, audience, momentum, and every app published by Michael Starling.
What do users think recently?
Low confidence · 43 reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a thrilled sentiment. Users appreciate comprehensive tutorial system effectively teaches complex japanese mahjong rules to complete beginners, but report landscape view layout issues on tablets obscure critical game information during matches.
Limited review volume (43 reviews). Sentiment analysis will deepen as more data lands.
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Kemono Mahjong?
Where is it available?
Localized markets (10)
How's The Games Market?
**Pricing**: Flat $3.99 fee with no IAPs or ads. **Audience**: Fans of Japanese Riichi Mahjong seeking an authentic, ad-free experience. **Performance**: The app maintains a presence in the top 50 Paid charts across multiple regions, including #21 in the US (Category 7005) and #13 in Australia.
How does it evolve in the Games market?
Kemono Mahjong holds a #21 Paid rank in the US (Category 7005) and #13 in Australia, signaling strong appeal among regional Riichi enthusiasts. The consistent top-50 presence across multiple markets validates the premium $3.99 model against free-to-play alternatives.
Rank progression
126 active rankings tracked — 30-day window
Which niche is Kemono Mahjong in?
to play competitive japanese riichi mahjong
Explore the full Mahjong Simulations niche
Every app in this space — 17 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(1)
Dominates the Riichi Mahjong niche with a massive, highly engaged user base and a live-service model that defines the current market standard.
Differentiators
- Integrates deep gacha-style character collection and visual novel elements to drive long-term player retention
- Operates a robust live-service model with seasonal events and limited-time cosmetic rewards for players
- Provides a highly polished social ecosystem including friend lists, tournaments, and spectator modes for matches
Head to head
The target app should position itself as the 'purist' alternative, focusing on a premium, ad-free experience that avoids the predatory monetization and complexity of Mahjong Soul.
Contenders(1)
Directly competes in the multiplayer Riichi Mahjong space by focusing on private, customizable social gaming.
Differentiators
- Prioritizes private room creation for friends, removing the friction of public matchmaking queues
- Offers highly customizable rule sets that allow players to tailor the game to their specific preferences
Same space(3)
A long-standing solitaire title that serves as a benchmark for the casual tile-matching market.
Differentiators
- Features a minimalist, classic aesthetic that appeals to traditional solitaire players seeking a clean experience
- Focuses on offline, single-player puzzle solving rather than the multiplayer competitive focus of the target
A high-traffic solitaire app that captures the casual audience searching for 'Mahjong' in the App Store.
Differentiators
- Employs a massive library of level-based progression systems to maximize daily active user retention
- Targets casual puzzle solvers with simplified mechanics that contrast with the complexity of Riichi Mahjong
Represents the broader 'Solitaire' sub-genre which dominates the App Store category but lacks the Riichi mechanics of the target.
Differentiators
- Focuses on tile-matching solitaire puzzles rather than the strategic, competitive 4-player Riichi Mahjong ruleset
- Utilizes a high-volume, casual-first design pattern optimized for quick, repetitive play sessions
Compare Kemono Mahjong against every rival
All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.
The outtake for Kemono Mahjong
Strengths to defend, gaps to attack
Core Strengths
- EMA-compliant ruleset creates high switching costs
- Ad-free model sustains premium brand positioning
- Multi-language support enables global distribution
Critical Frictions
- Landscape layout regressions on tablets
- Small UI elements causing eye strain
- Slow AI turn speeds post-update
Growth Levers
- Pass-and-play local multiplayer mode
- Granular rule customization for enthusiasts
- Expanded character roster variety
Market Threats
- Mahjong Soul's live-service retention loops
- Free-to-play minigame hubs draining casual users
- High-frequency content updates from rivals
What are the next best moves?
Rebuild landscape layout logic because tablet users report obscured tiles → reduce churn risk
Landscape layout issues are the top-cited usability complaint in recent feedback.
Trade-off: Pause the character roster expansion sprint — layout stability is a higher retention priority.
Audit AI turn speeds because users report sluggish gameplay post-update → restore session flow
Multiple users flagged slow AI as a disruption to the game's flow.
Trade-off: Same-quarter capacity available — no major lever displaced.
A counter-intuitive read
The lack of live-service monetization is not a weakness but a moat, as it attracts a high-intent, "purist" audience that Mahjong Soul's gacha-heavy design actively alienates.
Feature Gaps vs Competitors
- Friend lists and spectator modes (available in Mahjong Soul but absent here)
- Seasonal events and limited-time cosmetics (available in Mahjong Soul but absent here)
Key Takeaways
Kemono Mahjong wins on authenticity and ad-free design, but the lack of social-meta loops leaves it vulnerable to live-service rivals, so the PM should prioritize UI scaling fixes to defend the existing enthusiast base.
Where Is It Heading?
Stable
The Riichi Mahjong market is consolidating around live-service models that prioritize social-meta loops. Kemono Mahjong remains stable by serving the purist segment, but the lack of social features leaves it exposed to churn if a competitor introduces a more polished, ad-free social experience.
UI layout regressions on tablets and small text elements are eroding the experience for high-resolution device users.
Recent updates focused on stability and tablet support, indicating a maintenance-heavy cadence rather than aggressive feature expansion.