Report updated Jun 30, 2026
Shirabe Jisho
For japanese language learners and students preparing for JLPT exams who require a high-speed, offline-capable dictionary tool.
Shirabe Jisho is a market-leading reference app that is completely free. With a 4.9/5 rating from 8.4K reviews, it delivers strong user satisfaction. Users particularly appreciate offline functionality allows consistent access to dictionary resources without requiring active internet connectivity, though navigation changes following the latest update disrupt established user workflows for moving between pages remains a common concern.
What is Shirabe Jisho?
Shirabe Jisho is an offline-capable Japanese-English dictionary app for students and learners, featuring handwriting recognition and kanji stroke-order databases.
Users hire the app for reliable, high-speed dictionary lookups in offline environments where data-heavy AI tools fail, serving the specific job of JLPT exam preparation.
Current Momentum
v1.10 · 1d ago
Maintenance- Ships frequent stability and navigation updates.
- Maintains high-trust, ad-free utility status.
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Input kanji and kana via touch, with an algorithm that accepts incorrect stroke order and minor drawing errors.
Identify complex kanji by breaking them down into their constituent radicals.
Provides immediate results for dictionary entries, names, and example sentences.
How much does it cost?
- Free access to all dictionary features
The app operates as a free utility without visible subscription or ad-based monetization gates.
Who Built It?
Blazej Stanek
View Publisher Intel →Enrichment in progress
Publisher profile available very soon
What other apps does Blazej Stanek make?
What do users think recently?
Low confidence · Latest 60 of 716 total reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a thrilled sentiment. Users appreciate offline functionality allows consistent access to dictionary resources without requiring active internet connectivity, but report navigation changes following the latest update disrupt established user workflows for moving between pages.
What Users Love
What Frustrates Users
What Users Want
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
What is the competitive landscape for Shirabe Jisho?
Where is it available?
Localized markets (2)
How's The Reference Market?
How does it evolve in the Reference market?
Shirabe Jisho maintains a strong 4.89 rating across 8,442 total ratings, positioning it as a high-trust utility in the Reference category. The lack of integrated monetization or account-based features limits its ability to scale revenue compared to competitors with flashcard-based retention loops.
Rank progression
32 active rankings tracked — 30-day window
Which niche is Shirabe Jisho in?
to translate and study Japanese vocabulary
Explore the full Language Learning Dictionarys niche
Every app in this space — 250 tracked, the niche's live rankings, and Marlvel's editorial take on the job-to-be-done.
The rivals identified
Nemeses(2)
This app competes directly for the same utility-focused user base by offering a massive, offline-first dictionary experience that mirrors Shirabe Jisho's core value proposition.
Differentiators
- Integrates advanced OCR camera search for real-time text translation, a feature currently missing from Shirabe Jisho.
- Leverages a massive user base of over 400k reviews, creating a significant social proof and discovery advantage.
- Includes specialized crossword helper tools that expand the utility beyond standard dictionary lookups for casual users.
Head to head
Shirabe Jisho should prioritize adding visual search capabilities to neutralize the nemesis's primary UX advantage while doubling down on its superior Japanese-specific data depth.
This app competes directly for the utility-focused dictionary user, leveraging a massive install base and offline-first functionality that mirrors Shirabe Jisho's core value proposition.
Contenders(6)
This is a direct functional competitor that targets the specific Japanese language learning niche with exam-focused features.
Differentiators
- Includes dedicated JLPT mock tests, capturing the high-intent student market that Shirabe Jisho currently ignores.
- Features personalized flashcards that create a sticky, habit-forming loop for long-term language learners.
It competes for the same reference-seeking audience by providing a comprehensive, offline-accessible dictionary database.
Differentiators
- Provides multi-accent audio pronunciations, offering a more diverse auditory learning experience than standard dictionary entries.
- Utilizes advanced search technology that may offer more robust results for complex or ambiguous queries.
While the language pair differs, it competes for the same 'offline reference' user segment looking for structured language training.
Differentiators
- Includes a personalized word trainer that actively tracks user progress through skill-based exercises.
- Focuses on active learning pedagogy rather than just passive dictionary lookups, increasing user retention.
It serves the same Japanese-English dictionary market, though it is currently hampered by a lower rating and dated interface.
Differentiators
- Operates on a trial-limited model, creating a clear monetization barrier compared to Shirabe Jisho's free access.
- Lacks the modern UI polish and high-frequency update cadence seen in Shirabe Jisho's recent releases.
imiwa? is a direct functional rival for Japanese learners, specifically targeting power users who need advanced lookup methods like SKIP.
This app serves as a professional-grade alternative for users requiring authoritative linguistic data and structured vocabulary learning tools.
Compare Shirabe Jisho 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.
The outtake for Shirabe Jisho
Strengths to defend, gaps to attack
Core Strengths
- Offline-first architecture ensures consistent study access
- Specialized kanji stroke-order database provides high-intent learner utility
- Ad-free, zero-gate interface builds high user trust
Critical Frictions
- Lack of cross-device sync creates data-loss friction
- Navigation changes in the latest update disrupt power-user workflows
- No integrated spaced-repetition system for vocabulary retention
Growth Levers
- Implement account-based cloud sync to increase retention
- Add AI-powered OCR search to neutralize nemesis advantage
- Introduce JLPT-specific mock tests to capture high-intent segments
Market Threats
- AI-native tutors are shifting user expectations toward conversational practice
- Competitors with OCR camera integration capture casual users more effectively
- Lack of monetization limits the budget for feature parity updates
What are the next best moves?
Ship cloud-based bookmark synchronization because users request it for multi-device study → increase long-term retention
Top-requested feature in sentiment data.
Trade-off: Push the flashcard-repetition sprint to Q4 — sync is a higher-frequency pain point.
Audit navigation gestures because the latest update triggers side-menu friction → restore power-user workflow
Navigation complaint is the top-cited frustration in recent reviews.
Trade-off: Same-quarter capacity available — no major lever displaced.
A counter-intuitive read
The lack of monetization is a strategic vulnerability, not a strength, as it prevents the developer from funding the feature-parity updates required to compete with AI-native dictionary tools.
Feature Gaps vs Competitors
- OCR camera search (available in English Dictionary - Offline but missing here)
- Spaced-repetition flashcards (available in Mazii Japanese Dictionary JLPT but missing here)
Key Takeaways
Shirabe Jisho excels as a high-trust offline utility, but it risks stagnation against AI-native competitors, so the PM should prioritize account-based sync to lock in the student base.
Where Is It Heading?
Stable
The dictionary market is consolidating around AI-native features like OCR and conversational practice, leaving static reference apps like Shirabe Jisho exposed. The current stable trend relies on legacy trust, but the lack of account-based data persistence will accelerate churn as users migrate to tools that support multi-device study.
Navigation regressions in the latest update disrupt power-user workflows, which risks eroding the high-trust rating baseline on the next release.
The app maintains a high-trust, ad-free reputation that keeps the user base stable despite the lack of recent major feature additions.