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Report updated May 24, 2026

数学クイズ なん度? is an established education app that is free with in-app purchases. With a 4.2/5 rating from 2.3K reviews, it shows polarized user reception. Users particularly appreciate specialized geometry curriculum, though dated interface design remains a common concern.

What is 数学クイズ なん度??

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.

Users hire this app for supplemental geometry practice that standard arithmetic games ignore, allowing them to master specific concepts like angles and polygons.

Current Momentum

v8.21 · 3mo ago

Maintenance
  • Ships stability updates for latest OS.
  • Maintains long-term geometry curriculum focus.

Active Nemesis

Multiplication Genius x19 Free

Multiplication Genius x19 Free

By GameZen

Other Rivals

AnzanDojo
iTimesTables multiply tests
Math training
Operation Math Game
Zapzapmath School : K-6 Games
Mental Math Games: FastMath
Algebra Touch: All Ages
Ncalc - Graphing Calculator 84

7-Day Rank Pulse 🇺🇸

Education

No ranking data

Rating Pulse 🇺🇸

Recent User Mood

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

Handwritten Calculation MemoDifferentiator

On-screen scratchpad for manual calculation notes within the problem interface

Social Hint SharingDifferentiator

Integration with Twitter to share problem images and request answers from friends

Ad-Free IAPStandard

Optional purchase to remove advertisements, specifically targeted at students and educational institutions

How much does it cost?

Freemium
  • Free with ad-supported content
  • Ad-free experience via one-time IAP

Freemium model relies on ad-inventory for the mass market while gating ad-free access for institutional and younger users.

What do users think recently?

Medium confidence · 61 reviews analyzed · Based on 61 reviews. Signal may be noisy.

How did the latest release land?

Overall
4.2/ 5
(2.3K)
Current version
4.6/ 5
+0.3 vs overall
(195)
Main signal post-update: specialized geometry curriculum.

What is the recent mood?

Mixed

Recent user voice shows a mixed sentiment. Users appreciate specialized geometry curriculum, but report dated interface design.

What Users Love

Specialized geometry curriculum

What Frustrates Users

Dated interface design

What Users Want

Competitive social leaderboards

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

What is the competitive landscape for 数学クイズ なん度??

Where is it available?

Localized markets (1)

United States

How's The Education Market?

Market outlook for this category

Available very soon

The rivals identified

Nemeses(1)

This app competes directly for the casual math-gaming audience by offering a high-frequency, gamified approach to arithmetic that mirrors the target's quiz-based engagement model.

Contenders(4)

It is a direct competitor in the low-stakes educational quiz space, focusing on randomized testing for core arithmetic skills.

Differentiators

  • Offers granular custom difficulty settings that allow users to tailor the test to their specific needs.
  • Maintains a more frequent update cadence, ensuring compatibility with the latest mobile operating systems.
Operation Math Game icon

Little 10 Robot

4.5(8)

It competes by framing math practice within a narrative, mission-based structure that increases engagement for younger learners.

Differentiators

  • Implements a structured mission-based narrative that provides more context than our simple stage-based progression.
  • Includes customizable user profiles, allowing for better personalization and tracking of individual student progress.

This app targets the same 'drill-and-practice' user base, focusing on repetitive mastery of multiplication tables rather than geometry.

Math Duel: 2 Player Kids Games icon

Makkajai Edu Tech Private Limited

4.5(1.3K)

It competes for the same educational gaming demographic by offering a multiplayer, split-screen experience that turns math practice into a competitive social activity.

Same space(3)

It is the industry standard for math education, competing for the same student attention by providing a superior, interactive graphing engine.

This app provides a similar geometric focus but emphasizes 3D visualization and calculation over quiz-based learning.

It occupies the same geometry-focused niche but functions as a utility tool rather than a quiz-based game.

Compare 数学クイズ なん度? against every rival

All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.

Go deeper

The outtake for 数学クイズ なん度?

Strengths to defend, gaps to attack

Core Strengths

  • Handwritten memo feature reduces calculation friction
  • Specialized geometry curriculum provides clear educational utility

Critical Frictions

  • Dated interface design (2012 release date)
  • Lack of competitive social leaderboards
  • No cloud-save functionality

Growth Levers

  • Integrate ClassKit for institutional adoption
  • Add gamified competitive modes to match nemesis retention

Market Threats

  • Modern competitors with frequent update cadences
  • Shift toward adaptive learning platforms like Zapzapmath

What are the next best moves?

highInvest

Ship social leaderboards because the nemesis uses them to drive daily retention → increase daily active habit

Nemesis Multiplication Genius x19 uses leaderboards to drive repeat engagement, which our app currently lacks.

Trade-off: Pause the UI refresh sprint — retention mechanics take priority over visual polish.

mediumPivot

Audit UI for modern design standards because dated interface is a top complaint → reduce churn

User reviews consistently cite the stagnant 2012-era interface as a primary frustration.

Trade-off: Deprioritize new content stages — current 340 questions are sufficient for the core user base.

A counter-intuitive read

The app's 2012 release date is a hidden asset, as it signals a distraction-free, legacy-style educational tool that appeals to parents wary of modern, over-gamified math apps.

Feature Gaps vs Competitors

  • Competitive leaderboards (available in Multiplication Genius x19 Free but absent here)
  • Cloud-save functionality (available in Operation Math Game but absent here)

Key Takeaways

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.

Where Is It Heading?

Mixed Signals

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.

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by 数学クイズ なん度?, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

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.

declined

Sentiment and Rating Drop

added

New Weakness: Dated Interface

added

New Weakness: Lack of Cloud-Save

shifted

Strategic Focus Shift

Cite this report

Marlvel.ai. “数学クイズ なん度? Intelligence Report.” Updated May 24, 2026. https://marlvel.ai/apps/jp-co-gakkonet-quizqaangles

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