FLASH ANZAN (arithmetic) is a free mental math training tool for students and Anzan practitioners on iOS.
The App DNA
What makes this app unique?
The app removes the need for manual flash-card generation by automating number display at customizable speeds, which is the primary friction point for mental arithmetic practice.
For Students and individuals practicing mental arithmetic or Anzan techniques.
What does it look like?
Key features
Adjustable display duration for numbers ranging from 3.0 to 0.1 seconds.
Selectable number of digits for arithmetic problems from 1 to 7.
Customizable quantity of problems per session from 5 to 100.
How much does it cost?
The app is distributed as a free utility with no visible in-app purchase or subscription tiers.
Velocity
Dormant developmentopaqueShow more...
FLASH ANZAN (arithmetic) has been inactive for over 3,250 days. The last release was a minor update intended for watchOS compatibility, and no development activity has been recorded since. The app is currently in a zombie state with no evidence of ongoing support or feature updates.
Who built it?
Mako Muraoka Yudai Muraoka
4 apps tracked · Education
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PairCamera - Selfie ShutterUser Sentiment
What do users think recently?
Review voice lately leans thrilled. Users appreciate the simple sound toggle functionality provides users with the basic control they expect from the app.
How are ratings & reviews evolving?
What users say, by theme
- The simple sound toggle functionality provides users with the basic control they expect from the app
1 of 1 recent reviews analyzed · limited sample
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for FLASH ANZAN (arithmetic)
How's the Education market?
FLASH ANZAN (arithmetic) occupies a niche educational utility space, maintaining a 3.67-star rating across a small sample of 3 total ratings. The lack of updates for over 8 years signals that the developer is not actively competing for market share.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for FLASH ANZAN (arithmetic)
Where is it heading?
The mental math training market is increasingly dominated by modern, gamified platforms that offer social leaderboards and adaptive difficulty. FLASH ANZAN (arithmetic) remains a static utility, which limits its ability to retain users who seek modern, interactive arithmetic experiences.
- The app has remained in a maintenance-only state for over eight years, indicating no intent to capture broader market share.
- The core speed-control mechanism remains functional, providing consistent value to the niche mental math audience despite the lack of recent updates.
The SWOT
- High-precision speed control (0.1s) enables advanced mental math training
- Adding 9-digit support would address the primary user request
Next best moves
Ship 9-digit support because it is the top-requested feature → increase user retention among advanced practitioners.
The counter-intuitive read
The app's long-term dormancy is a feature, not a bug…
Read the full takeSince the last report: The application remains in a static, maintenance-only state with no changes to features or pricing. The primary shift is an increased focus on the risks associated with long-term development inactivity, specifically regarding OS compatibility.
Bottom line
Implementing 9-digit support would address the primary user request and unlock utility for advanced mental math practitioners, sustaining the app's relevance for its niche audience.
Unlock 2 critical frictions, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is FLASH ANZAN (arithmetic) suitable for advanced mental math training?
Does FLASH ANZAN (arithmetic) receive regular updates?
What is the main limitation of FLASH ANZAN (arithmetic)?
Sources
- [1] App Store, source
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