数学クイズ なん度？ is an educational math quiz app for students, featuring geometry and sequence problem sets on iOS and Android.
The App DNA
What makes this app unique?
Students use the app to practice geometry theorems and visualize complex shapes via an on-screen scratchpad, replacing traditional paper-based drills.
For Students and individuals seeking supplemental math practice, with specific utility for school-based GIGA school initiatives.
What does it look like?
Key features
Structured problem sets covering geometry, area, and sequences across multiple difficulty stages.
On-screen drawing area for manual calculation and note-taking during problem solving. Revenue link: Increases time-on-task per session, expanding ad-impression inventory.
Optional IAP to remove advertisements, specifically recommended for school or group environments. Revenue link: Paid-conversion gate targets institutional and parent segments to remove ad-inventory.
How much does it cost?
Freemium model relies on ad-inventory for the general user base 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 thrilled sentiment. Users appreciate challenging geometry and math puzzles provide a rewarding intellectual experience for students and enthusiasts and interactive drawing tools allow users to solve problems directly on the screen with their fingers, but report aggressive advertising delivery systems interrupt the learning flow and trigger app restarts on mobile devices.
How are ratings & reviews evolving?
What users say, by theme
- Challenging geometry and math puzzles provide a rewarding intellectual experience for students and enthusiasts
- Interactive drawing tools allow users to solve problems directly on the screen with their fingers
- Educational value helps students understand complex geometry concepts through active practice and problem solving
- Aggressive advertising delivery systems interrupt the learning flow and trigger app restarts on mobile devices
61 of 61 recent reviews analyzed · high confidence · Thrilled overall
Read the full review analysisUnlock 2 more frustration themes and 3 user requests, 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?
数学クイズ なん度？ maintains a 4.56 rating on iOS across 195 reviews, reflecting high satisfaction with its core geometry content. The 107-day update gap signals a maintenance-mode posture that leaves it vulnerable to rivals with higher release cadences.
Read the market outlookThe rivals identified
By ABYLITH GAMES LLP
This app competes directly for the casual math-gaming audience by offering a high-frequency, gamified approach to arithmetic that mirrors this app's quiz-based engagement model.
- Features a robust social gameplay layer that encourages competitive leaderboards absent in this app.
- Maintains a significantly higher release cadence, ensuring fresh content and bug fixes for active users.
- Leverages a broader cognitive training focus that appeals to a wider demographic beyond geometry students.
iTimesTables multiply testsContender
Operation Math GameContender
Multiplication Genius x19 FreeContender
Math Duel: 2 Player Kids GamesContenderUnlock 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 educational geometry market is consolidating around tools that offer superior interactive engines and classroom integration. 数学クイズ なん度？ remains in a maintenance posture, which exposes it to rivals that provide more frequent content updates and better technical reliability.
- Technical instability regarding ad-removal and progress resets → erodes user trust → increases churn among the core student demographic.
- Maintenance-only update cadence with no feature expansion → limits growth potential → allows rivals to capture the geometry-learning market share.
The SWOT
- Integrated scratchpad increases time-on-task per session
- Curriculum-focused geometry content serves academic needs
- Institutional licensing for GIGA school initiatives
Next best moves
Audit ad-removal IAP logic because users report persistent ads after purchase → reduce refund surge
+ 1 more prioritized moveThe counter-intuitive read
The app's maintenance-mode status is a competitive advantage in the education sector…
Read the full takeFeature gaps
Social leaderboards (available in Math Hit but absent here) +2
Since the last report: Technical reliability has declined due to new reports of progress resets following updates, while the app's strategic focus has shifted toward institutional GIGA school opportunities.
Bottom line
Fixing the broken ad-removal IAP and progress persistence bugs would stabilize the core user base, as these technical failures currently negate the app's educational value. Addressing these issues is the prerequisite for any future content expansion.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is 数学クイズ なん度？ suitable for high school geometry students?
Does the ad-free purchase actually remove all advertisements?
What is a better alternative for advanced graphing and calculus?
Sources
- [1] Play Store listing, source
Report last updated