数学クイズ なん度？ is a geometry and math practice app for students, structured around stage-based problem solving on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Education
Sentiment
4.2
2k reviews
Nemesis
Multiplication Genius x19 Free
The App DNA
What makes this app unique?
Users hire this app for supplemental geometry practice that standard arithmetic games ignore, allowing them to master specific concepts like angles and polygons.
For Students and math learners seeking supplemental practice for geometry and logic, including institutional users in GIGA school environments.
What does it look like?
Key features
On-screen scratchpad for manual calculation notes within the problem interface
Integration with Twitter to share problem images and request answers from friends
Optional purchase to remove advertisements, specifically targeted at students and educational institutions
How much does it cost?
Freemium model relies on ad-inventory for the mass market while gating ad-free access for institutional and younger users.
Velocity
Maintenance developmentperformanceplatform expansionShow more...
The app maintains a low-frequency release cadence, averaging approximately 0.08 releases per week over the last 6 months. Development is primarily focused on platform maintenance, such as OS version compatibility and minor bug fixes, rather than new content or feature expansion. The latest release provided technical support for iOS 26, following a similar maintenance-oriented update in late 2025. There is no evidence of live-ops activity or significant feature development in the recent release history.
Who built it?
StudySwitch
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高校 化学 一問一答＆演習問題 - 高校生の勉強アプリUser Sentiment
What do users think recently?
Recent user voice shows a mixed sentiment. Users appreciate specialized geometry curriculum, but report dated interface design.
How are ratings & reviews evolving?
What users say, by theme
- Specialized geometry curriculum
- Dated interface design
Unlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for 数学クイズ なん度？
How's the Education market?
The app maintains a stable 4.37 average rating across 2,347 total ratings, but the 2012 release date signals a lack of feature parity with modern competitors.
Read the market outlookThe rivals identified
By GameZen, Inc.
This app directly competes for the same casual education audience by gamifying core arithmetic skills through repetitive, high-frequency practice sessions.
- Features competitive Game Center leaderboards to drive social retention that our app currently lacks.
- Focuses on multiplication mastery, whereas our app targets geometry and angle-based problem solving.
- Utilizes a 'Perfect Run' scoring mechanic to incentivize accuracy over simple completion speed.
AnzanDojoContender
Math trainingContender
iTimesTables multiply testsContender
Operation Math GameContenderUnlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for 数学クイズ なん度？
Where is it heading?
The casual math-practice market is consolidating around apps that offer high-frequency social feedback and adaptive difficulty. Without a UI refresh or social features, the app will likely see a gradual decline in new-user conversion as modern, gamified competitors capture the K-12 demographic.
- Stagnant interface design since 2012 leads to churn among users who expect modern visual polish, creating a competitive disadvantage.
- Specialized geometry curriculum maintains a loyal user base, providing a stable foundation for potential B2B institutional partnerships.
The SWOT
- Handwritten memo feature reduces calculation friction
- Specialized geometry curriculum provides clear educational utility
- Integrate ClassKit for institutional adoption
- Add gamified competitive modes to match nemesis retention
Next best moves
Ship social leaderboards because the nemesis uses them to drive daily retention → increase daily active habit
+ 1 more prioritized moveThe counter-intuitive read
The app's 2012 release date is a hidden asset…
Read the full takeFeature gaps
Competitive leaderboards (available in Multiplication Genius x19 Free but absent here) +1
Since the last report: The app has transitioned from a focus on technical IAP failures to a broader critique of its stagnant, dated interface and lack of modern social features.
Bottom line
The app succeeds by providing a specialized geometry curriculum, but the stagnant UI and lack of social features threaten its long-term retention, so the PM should prioritize adding competitive leaderboards to neutralize the nemesis advantage.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated