This is a kanji reading quiz app for adults and students, featuring 1,420 questions on iOS and Android.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Education
Sentiment
4.0
1k reviews
Nemesis
單字知識王
The App DNA
What makes this app unique?
Users hire this app to avoid social embarrassment by mastering common but difficult kanji, serving a need for quick, low-stakes vocabulary improvement.
For Adults seeking brain training and students requiring supplemental kanji and vocabulary practice.
What does it look like?
Key features
Collection of 1,420 kanji reading questions including word meanings
In-app purchase to remove advertisements from the interface
Free provision of learning apps to iPad devices within the GIGA School program
How much does it cost?
Freemium model relies on ad-supported engagement for the majority of users with a single IAP to gate ad-free access.
Velocity
Maintenance developmentperformanceUX improvementsShow more...
The app maintains a slow release cadence, averaging approximately 0.08 releases per week over the last 6 months. Development is strictly focused on maintenance, specifically addressing platform-specific bugs and minor layout adjustments. There is no evidence of new content, live operations, or feature expansion in the recent update history. The development trend is stable at a low-frequency maintenance level.
Who built it?
StudySwitch
13+ apps tracked · Education
古文・漢文（古文単語、古典文法、漢文）
中学社会 地理・歴史・公民
小学生手書き計算ドリル - はんぷく学習シリーズ
中学生漢字 手書き＆読み方 勉強アプリ
ことわざクイズ - はんぷく一般常識
国語辞典・英和辞典・和英辞典 一発表示辞書アプリ
Japanese Kanji Lookup PLUS
小学生国語ドリル - 小学校の勉強・中学受験対策アプリ
英検®準1級予想問題ドリル
英検®トレーニング - リスニング・二次試験にも対応
日本史一問一答（解説付き）
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?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for 読めないと恥ずかしい脳トレ漢字クイズ
How's the Education market?
The app maintains a stable 4.45 rating on iOS with 20 reviews, while the Android version holds a 4.0 rating across 985 reviews. The significant rating gap between platforms signals inconsistent UI performance on Android that requires immediate parity work.
Read the market outlookThe rivals identified
By CMoney
Both apps target the educational quiz market by leveraging gamified vocabulary challenges to drive user engagement and retention.
- Features a competitive quiz mode that drives social interaction, unlike our static solo-play experience.
- Utilizes a curated vocabulary database that provides structured learning paths rather than random quiz sets.
Unlock 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 読めないと恥ずかしい脳トレ漢字クイズ
Where is it heading?
The education quiz market is consolidating around social-first and audio-integrated experiences, leaving text-heavy solo apps exposed to churn. The app's current maintenance-mode posture will likely lead to a gradual decline in chart rank as rivals with faster feature cadences capture the casual-learning segment.
- The 0.45★ Android-iOS rating gap indicates platform-specific friction that erodes user trust and limits growth on the larger Android install base.
- Recent updates focused on maintenance and stability, signaling a lack of active feature expansion to counter competitive pressure from social-first quiz apps.
The SWOT
- GIGA School distribution provides a B2B moat into institutional iPad usage
- 1,420-question library provides high content density for casual users
- Integrate home screen widgets to capture daily habit loops
- Add audio pronunciation to support multi-modal learning
Next best moves
Ship social leaderboard because static solo-play lacks retention mechanics → increase daily active usage
+ 1 more prioritized moveThe counter-intuitive read
The app's GIGA School distribution is a stronger…
Read the full takeFeature gaps
Competitive multiplayer mode (available in 單字知識王 but absent here) +2
Since the last report: The app shifted its strategic focus from basic content-bookmarking to social-retention mechanics, while acknowledging increased competitive pressure from audio-integrated and multiplayer-first rivals.
Bottom line
The app holds a strong content-based niche, but the lack of social-retention loops leaves it vulnerable to multiplayer-first rivals, so the PM should prioritize social-leaderboard integration to defend the user base.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeReport last updated