Mahjong Lens
By Andrew Huang
Mahjong Lens is a scoring and chip-tracking utility for Mahjong players that uses computer vision to automate point calculation on iOS.
The App DNA
What makes this app unique?
It removes the cognitive friction of manual tallying and rulebook disputes during social games, allowing players to focus on the match itself.
For Social Mahjong players seeking to automate scoring and chip tracking during games.
What does it look like?
Key features
Computer vision identifies mahjong tiles from camera input to calculate scores, reducing manual effort.
Digital ledger for four players to manage game currency and dealer rotation.
Toggle settings to match specific house rules for scoring.
How much does it cost?
Mahjong Lens is currently free with no visible IAP or subscription gates.
Velocity
Maintenance developmentUX improvementsShow more...
Mahjong Lens is currently in a maintenance phase, having shipped only one minor update in the last 117 days. The latest release focused exclusively on updating store screenshots rather than functional improvements or new content. Development momentum is stagnant, with no evidence of active feature iteration or live operations. The app has not received a meaningful update since May 2026.
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 Mahjong Lens
How's the Games market?
Mahjong Lens operates as a niche utility in the Games category, currently maintaining a 5-star rating across its limited user base. The lack of recent feature updates suggests a stable, maintenance-focused position rather than an aggressive growth strategy.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Mahjong Lens
Where is it heading?
Mahjong Lens remains a niche utility that serves a specific, low-frequency use case. The current maintenance-only cadence is sufficient for a static tool, but the lack of cloud-sync or social features leaves it vulnerable to more active competitors who may integrate these retention loops.
- The 117-day update gap indicates a maintenance-only cadence, which limits the app's ability to respond to new Mahjong rule variations.
- The 5-star rating suggests the core computer-vision utility satisfies the current user base, providing a stable foundation for future feature expansion.
The SWOT
- Computer-vision tile recognition reduces manual scoring friction
- Customizable house rules adapt to diverse table playstyles
- Digital ledger replaces physical game components
- Integration of real-time hand-analysis tips for beginners
- Expansion into tournament-style scoring formats
Next best moves
Ship cloud-sync for game history because the current local-only storage risks data loss → increase long-term retention
+ 1 more prioritized moveThe counter-intuitive read
The lack of monetization is a strategic weakness…
Read the full takeBottom line
Mahjong Lens provides a functional utility for social Mahjong, but the 117-day update gap signals a maintenance-mode posture. Prioritizing a cloud-sync feature would address the primary risk of data loss, securing the app's utility for long-term performance tracking.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Mahjong Lens free to use?
Does Mahjong Lens work for different house rules?
Can I save my game history?
Sources
- [1] App Store
Report last updated