Mahjong Demon is a single-player Japanese Riichi Mahjong game for iOS, featuring customizable rules and AI opponents.
The App DNA
What makes this app unique?
Users hire this app for authentic, ad-free Riichi practice that avoids the social-service complexity of larger competitors.
For Japanese Mahjong enthusiasts seeking a rule-compliant, single-player AI experience on mobile devices.
Key features
Toggles for specific Japanese Mahjong rules including red tiles and open-hand scoring.
Tracks win rate and discard accuracy to encourage repeated play sessions.
Displays alerts for Furiten and invalid hands to lower the barrier for novice players.
How much does it cost?
The $1.99 price point positions the app as a premium, ad-free experience, avoiding the recurring subscription pressure found in live-service rivals.
Velocity
Active developmentShow more...
5 versions in history. Development pace: active.
Who built it?
NUTRACTOR
8 apps tracked · Games
Mahjong Mobile
Shogi Demon
Mahjong Demon XL
Pay Chart
Shogi Demon XL
Mahjong Demon 2
Sweet ShogiUser Sentiment
What do users think recently?
Review voice lately leans excited. Users appreciate the core japanese riichi mahjong gameplay provides a fast and authentic experience for dedicated players and portrait orientation support allows for convenient one-handed play during short breaks throughout the day.
How are ratings & reviews evolving?
What users say, by theme
- The core Japanese Riichi Mahjong gameplay provides a fast and authentic experience for dedicated players
- Portrait orientation support allows for convenient one-handed play during short breaks throughout the day
- Small tile graphics in the current interface make it difficult to identify discards accurately
27 of 27 recent reviews analyzed · moderate confidence · Excited overall
Read the full review analysisUnlock 2 more frustration themes and 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Mahjong Demon
How's the Games market?
Mahjong Demon holds a #8 Paid rank in the Japanese category, demonstrating strong niche penetration. However, the 4.75-star rating is currently pressured by recent complaints regarding visual clarity in the latest update.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Mahjong Demon
Where is it heading?
The Japanese Mahjong market is consolidating around apps that balance authentic rules with high-fidelity, readable interfaces. Mahjong Demon's current posture is exposed: the latest visual update hinders usability, and without a landscape mode to improve tile readability, the app risks losing its dedicated base to more responsive rivals like Kemono Mahjong.
- The shift to a 3D engine increases load times and reduces visual clarity, which erodes the speed-of-play advantage that previously drove user retention.
- Authentic Riichi rule compliance continues to attract dedicated players, maintaining a strong 4.75-star rating despite recent interface complaints.
The SWOT
- Rule-compliant Riichi engine provides a defensible barrier for traditionalists
- One-time purchase model eliminates ad-based churn
- Landscape mode implementation would solve the #1 usability complaint
Next best moves
Ship landscape orientation mode because it is the top-requested usability fix → reduce churn risk
+ 1 more prioritized moveThe counter-intuitive read
The app's #8 rank in Japan is a vulnerability…
Read the full takeFeature gaps
Frequent update cadence (available in Kemono Mahjong but missing here)
Since the last report: The app transitioned to a 3D graphics engine, which improved feature depth but introduced significant usability complaints regarding visual clarity and interface density.
Bottom line
Mahjong Demon retains core enthusiasts through authentic Riichi mechanics, but the visual regression in the latest update threatens its #8 chart position in Japan, so the PM must prioritize UI readability over new feature development.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Mahjong Demon suitable for beginners?
How does Mahjong Demon compare to Mahjong Soul?
Does Mahjong Demon have intrusive ads?
What is a free alternative to Mahjong Demon?
Sources
Report last updated