---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Shirabe Jisho"
developer_entity: "Blazej Stanek"
bundle_id: "com.ricoapps.jisho"
app_store_id: "1005203380"
category: "Reference"
primary_platform: "ios"
primary_monetization: "Free"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2026-05-12"
report_date: "2026-05-13"
last_verified: "2026-05-13T23:04:04.421Z"
report_version: "1.10.6"
total_reviews: 8442
overall_rating: 4.89
sentiment: "Thrilled"
sentiment_score: 90
confidence: "high"
confidence_score: 0.45
top_praise_theme: "Search speed and accuracy"
review_sample_size: 49
data_age_days: 12
momentum_velocity: "maintenance"
intelligence_version: 3
nemesis: "Mazii Japanese Dictionary JLPT"
competitor_count: 9
tags: ["reference", "free", "thrilled sentiment", "mobile app", "app review", "app analysis", "japanese", "language", "students"]
canonical_url: "https://marlvel.ai/intel-report/reference/shirabe-jisho"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Shirabe Jisho App Audit

## TL;DR {#tldr}

- **Category**: Reference · Free
- **Signal**: Rating 4.89 · Sentiment Thrilled
- **Recent focus**: Search speed and accuracy (top praise)

> **TL;DR:** Shirabe Jisho is a reference app by Blazej Stanek, rated 4.89/5 by 8.4K users, with Thrilled user sentiment (90/100), available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

<!-- speakable-start -->
> **Key Insight:** Shirabe Jisho maintains Thrilled user sentiment (4.89/5 from 8.4K reviews), with users consistently praising search speed and accuracy.
<!-- speakable-end -->

## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Rating** | 4.89/5 (8.4K reviews) |
| **User Mood** | Thrilled |
| **Category** | Reference |
| **Developer** | Blazej Stanek |
| **Pricing** | Free |
| **Platforms** | iOS |
| **Confidence** | High (0.45/1.0) |
| **Data Age** | 0d |

## Metadata & Market Performance
- **Publisher:** Blazej Stanek
- **Category:** Reference
- **Target Audience:** Japanese language students and professionals requiring a fast, offline-capable dictionary for kanji and vocabulary reference.
- **Platforms:** iOS
- **Version Audited:** 1.10.6
- **Audit Date:** 2026-05-13
- **Signal Count:** 49 reviews analyzed
- **Confidence:** High (0.45/1.0)
- **App Store ID (iOS):** 1005203380
- **Bundle ID:** com.ricoapps.jisho
- **Performance Trend:** Mixed
- **Data Window:** Analysis based on signals collected up to 2026-05-13

<!-- section:executive-snapshot -->
## Executive Snapshot
**What it is:** Shirabe Jisho is a Japanese-English dictionary app for language students and professionals, featuring handwriting recognition and radical-based search on iOS.
**Why users hire it:** Users hire this app for fast, offline-capable kanji and vocabulary lookups, prioritizing search speed over the structured study paths found in competing apps.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Differentiator] Handwriting Recognition:** Input kanji and kana via touch, with an algorithm that accepts incorrect stroke order and minor drawing errors.
- **[Standard] Radical Search:** Identify kanji by searching for component radicals.
  * *User Intent:* Users want to quickly find relevant content or features.
- **[Standard] Wildcard Search:** Use * and ? symbols to replace characters in queries.
  * *User Intent:* Users want to quickly find relevant content or features.
<!-- /section:features -->

<!-- section:market-position -->
## Market Position {#market-position}

Shirabe Jisho holds a 4.89 rating across 8,442 reviews, positioning it as a high-utility reference tool. The lack of monetization or study-path features signals a focus on niche utility over broad-market revenue growth.
<!-- /section:market-position -->

## Monetization Strategy
- **Model:** Free
- **Tiers:** Free access to all dictionary and search features
- **Analysis:** The app operates as a free utility with no visible subscription or IAP gates.

<!-- section:sentiment -->
## 🟢 User Sentiment (High Confidence: 8.4K reviews) {#user-sentiment}
- **Overall Rating:** 4.89/5
- **Platform Split:** iOS 4.9/5 (8.4K ratings)
- **Overall Sentiment:** Thrilled

### Top Praises
- **Search speed and accuracy**
- **Handwriting recognition utility**

<!-- /section:sentiment -->
<!-- section:swot -->
## SWOT Analysis {#swot}

**Core Strengths:**
- Handwriting recognition algorithm accepts non-standard stroke order [Handwriting Recognition]
- Instantaneous search results sustain daily utility [Search Performance]

**Critical Frictions:**
- Zero monetization model limits development capital [Pricing Strategy]
- Lack of structured study paths like flashcards [Feature Set]

**Growth Levers:**
- Introduce premium study modules to capture revenue [Monetization]
- Integrate audio-based pronunciation feedback [Feature Gap]

**Market Threats:**
- Mazii’s community-driven data flywheel creates a barrier to entry [Nemesis]
- Competitors with AI-powered conversational tutors shift user expectations [Market Trend]

<!-- /section:swot -->
## Recent Changes (v2 → v3) {#recent-changes}

The product strategy has shifted toward exploring monetization and study-tool integration, while the competitive landscape analysis has been broadened to include more specialized language-learning rivals.

**Overall trend**: Mixed
**Compared at**: 2026-05-13

### High-impact changes
- **[Removed] Sentiment feedback cleared** (sentiment) — Top complaints and top requests lists were cleared, removing the previously noted frustration with idiomatic search failures.
- **[Shifted] Strategic focus update** (positioning) — PM action items shifted from romaji support to flashcard integration and monetization audits.

### Medium-impact changes
- **[Added] New SWOT entries** (swot) — Added 'Introduce premium study modules' to opportunities and 'AI-powered conversational tutors' to threats.

<!-- section:rivals -->
## Rivals Landscape {#rivals}

> Competitive positioning identified by AI analysis of app features, category, and market signals.

### Shirabe Jisho vs Mazii Japanese Dictionary JLPT — Head to Head
- **[Mazii Japanese Dictionary JLPT](https://marlvel.ai/intel-report/reference/mazii-japanese-dictionary-jlpt)** by Ghi Nguyen: Mazii directly competes for the same Japanese language learner demographic by offering a comprehensive dictionary paired with JLPT-specific study tools.
  - **Key differences:**
    - Offers integrated JLPT mock tests that provide structured study paths beyond simple dictionary lookups.
    - Features a massive user-generated content ecosystem that creates a strong community-driven data flywheel effect.
    - Utilizes multi-modal search capabilities, allowing users to find definitions via images or handwriting recognition.
  - **Where Shirabe Jisho wins:**
    - ✅ Provides a cleaner, more focused UI that avoids the clutter found in Mazii's feature-heavy interface.
    - ✅ Delivers faster, more instantaneous search results for users prioritizing speed over auxiliary study features.
  - **Where Mazii Japanese Dictionary JLPT wins:**
    - ❌ Includes comprehensive JLPT-specific exam preparation tools that keep users engaged within the app longer.
    - ❌ Leverages a significantly larger user base to provide community-driven examples and social learning features.
  - **Verdict:** The target should focus on maintaining its speed advantage while selectively integrating high-value study features like flashcards to prevent user churn to Mazii.

### Contenders (Strong Challengers)
- **[Dictionary of Collocations](https://marlvel.ai/intel-report/reference/dictionary-of-collocations)** by Bui Hoai Trang: It targets language learners looking for specialized linguistic data, overlapping with the target's goal of providing deep Japanese language context.
  - Focuses exclusively on collocation lists, offering deeper linguistic nuance than a general-purpose dictionary app.
  - Incorporates visual exercises to reinforce learning, moving beyond the static lookup model of the target.
- **[Collins Latin Dictionary](https://marlvel.ai/intel-report/reference/com-mobisystems-collinslatin)** by MobiSystems, Inc.: This app competes for the same reference-seeking audience, though it focuses on a different language, highlighting a shared market for premium dictionary utility.
  - Includes advanced camera-based search functionality that allows for real-time translation of physical text.
  - Provides a robust offline mode that ensures dictionary access without requiring a stable internet connection.

### Peers (What They Do Better)
- **[Learn French +](https://marlvel.ai/intel-report/education/learn-french)** by Ascendo Inc.: While the language differs, this app competes for the same 'serious language learner' demographic by offering high-end reference and tutoring tools.
  - Integrates an AI-powered chat tutor that allows for conversational practice beyond simple word definitions.
  - Includes advanced speech recognition technology to provide users with immediate feedback on their pronunciation.
- **[Hiragana Memory Hint [English]](https://marlvel.ai/intel-report/education/hiragana-memory-hint-english)** by The Japan Foundation Japanese-Language Institute, Kansai: It serves the same beginner Japanese learner audience by using mnemonic devices to teach foundational writing systems.
  - Utilizes a mnemonic picture library to help beginners memorize characters through visual association techniques.
  - Offers specialized pronunciation audio tables that provide clearer phonetic guidance than general dictionary entries.
- **[Obenkyo](https://marlvel.ai/intel-report/education/obenkyo)** by Yuichi Kadokura (角倉 優一): Obenkyo is a direct peer in the Japanese learning space, focusing on character recognition and grammar testing for students.
  - Features advanced drawing recognition technology specifically designed for mastering complex Japanese kanji stroke orders.
  - Provides dedicated grammar testing modules that offer a more structured curriculum than a standard dictionary.
- **[English Sentence Builder Game](https://marlvel.ai/intel-report/education/english-sentence-builder-game)** by MasterKey Games: This app occupies the same language-learning category, shifting the focus from reference lookup to active sentence construction and gamification.
  - Implements a competitive multiplayer mode that introduces social pressure and engagement missing from the target.
  - Uses a time-penalty system to gamify the learning process and increase user retention through urgency.

### New Kids on the Block (What's Innovative)
- **[Sketch HanYu 汉字识读](https://marlvel.ai/intel-report/education/sketch-hanyu)** by CHEAH Wen Feng: This app targets the same kanji-learning demographic as the target, emphasizing handwriting and contextual usage.
  - Combines native pronunciation audio with handwriting recognition to provide a multi-sensory approach to character learning.
- **[Articulate: Speech Trainer](https://marlvel.ai/intel-report/medical/articulate-speech-trainer)** by Anton Sorokin: This newcomer enters the language space with a focus on pronunciation, a critical pain point for users of dictionary apps.
  - Uses real-time AI analysis to provide granular feedback on specific sound production for language learners.

<!-- /section:rivals -->
<!-- section:whats-new -->
## What's New

- **Latest (v1.10.6, yesterday):** Resolved import hangs, improved search for conjugated entries, and applied general UI and stability fixes.
<!-- /section:whats-new -->

<!-- section:momentum -->
## App Momentum (Maintenance) {#momentum}

- Maintains high rating baseline.
- No major feature updates recently.

> **Cadence:** 1 total versions · 0 majors in last 6 months · 1 days since last update

<!-- /section:momentum -->

<!-- section:so-what -->
## The "So What?" (Strategic Takeaway) {#so-what}

Shirabe Jisho is a market-leading reference app that is completely free.
With a 4.89/5 rating from 8.4K reviews, it delivers strong user satisfaction.

<!-- speakable-start -->
> **Bottom Line:** Shirabe Jisho maintains a strong user base through superior search speed, but it risks irrelevance as competitors evolve into comprehensive study platforms, so the PM should prioritize integrating study tools to lock in users.
<!-- speakable-end -->

**Best for:** Japanese language students and professionals requiring a fast, offline-capable dictionary for kanji and vocabulary reference.

<!-- section:pm-actions -->
### PM Action Plan (Next Best Moves)

- [ ] [INVEST] [HIGH IMPACT] Ship flashcard integration because it is the top missing study feature → increase session length — *Competitors like Mazii use study tools to drive retention, which Shirabe Jisho currently lacks.* _(trade-off: deprioritize Pause the radical search UI refresh — flashcards have higher impact on retention.)_
- [ ] [PIVOT] [MEDIUM IMPACT] Audit monetization options because the app lacks revenue streams → enable sustainable development — *The current free-only model limits the ability to fund future feature development.* _(trade-off: deprioritize Same-quarter capacity available — no major lever displaced.)_
<!-- /section:pm-actions -->

<!-- section:feature-gaps -->
### Feature Gaps vs Competitors

- JLPT mock tests (available in Mazii)
- AI-powered conversational tutor (available in Learn French +)
- Camera-based real-time translation (available in Collins Latin Dictionary)
<!-- /section:feature-gaps -->

<!-- section:outlook -->
### Outlook: Stable

The dictionary market is consolidating around study-integrated platforms that offer more than simple lookups. Shirabe Jisho remains stable for now, but its lack of active development leaves it exposed to rivals that offer higher-value learning experiences.

- ⚪ The app maintains high user ratings, but the lack of recent feature updates suggests a maintenance-mode posture.
- 🔴 Competitors are rapidly adding AI and social features, which will likely erode Shirabe Jisho's market share among students.
<!-- /section:outlook -->

<!-- /section:so-what -->

<!-- section:metrics -->
## Key Metrics Summary

| Metric | Value |
| :--- | :--- |
| Overall Rating | 4.89/5 |
| Total Reviews | 8.4K |
| Sentiment | Thrilled (90/100) |
| Confidence | High |
| Pricing Model | Free |
| Platforms | iOS |
| Key Features | 3 analyzed |
| Trend | Mixed |
| Outlook | Stable |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Shirabe Jisho** (this app) | 4.89/5 | Thrilled | Blazej Stanek |
| [Collins Latin Dictionary](https://marlvel.ai/intel-report/reference/com-mobisystems-collinslatin) | 4.4/5 | Mixed | MobiSystems, Inc. |
| [Learn French +](https://marlvel.ai/intel-report/education/learn-french) | 4.7/5 | Excited | Ascendo Inc. |
| [Dictionary of Collocations](https://marlvel.ai/intel-report/reference/dictionary-of-collocations) | 3.3/5 | Upset | Bui Hoai Trang |
| [Sketch HanYu 汉字识读](https://marlvel.ai/intel-report/education/sketch-hanyu) | N/A/5 | N/A | CHEAH Wen Feng |
| [English Sentence Builder Game](https://marlvel.ai/intel-report/education/english-sentence-builder-game) | 4.6/5 | Mixed | MasterKey Games |

## Company Profile
- **Developer:** Blazej Stanek

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/us/app/shirabe-jisho/id1005203380?uo=4)
- **Sources:** App store metadata, User reviews.

## Related Intel Reports
- [*Collins Latin Dictionary*](https://marlvel.ai/intel-report/reference/com-mobisystems-collinslatin) (MobiSystems, Inc.) — 4.4/5 Rating | Mixed Sentiment
- [*Learn French +*](https://marlvel.ai/intel-report/education/learn-french) (Ascendo Inc.) — 4.7/5 Rating | Positive Sentiment
- [*Dictionary of Collocations*](https://marlvel.ai/intel-report/reference/dictionary-of-collocations) (Bui Hoai Trang) — 3.3/5 Rating | Terrible Sentiment
- [*Sketch HanYu 汉字识读*](https://marlvel.ai/intel-report/education/sketch-hanyu) (CHEAH Wen Feng) — N/A Rating | N/A Sentiment
- [*English Sentence Builder Game*](https://marlvel.ai/intel-report/education/english-sentence-builder-game) (MasterKey Games) — 4.6/5 Rating | Mixed Sentiment
- [*Articulate: Speech Trainer*](https://marlvel.ai/intel-report/medical/articulate-speech-trainer) (Anton Sorokin) — N/A Rating | N/A Sentiment
- [*Hiragana Memory Hint [English]*](https://marlvel.ai/intel-report/education/hiragana-memory-hint-english) (The Japan Foundation Japanese-Language Institute, Kansai) — 4.7/5 Rating | N/A Sentiment
- [*Obenkyo*](https://marlvel.ai/intel-report/education/obenkyo) (Yuichi Kadokura (角倉 優一)) — 5.0/5 Rating | Excellent Sentiment
- [*Mazii Japanese Dictionary JLPT*](https://marlvel.ai/intel-report/reference/mazii-japanese-dictionary-jlpt) (Ghi Nguyen) — 4.6/5 Rating | Positive Sentiment
- [*Hallow: Prayer & Meditation*](https://marlvel.ai/intel-report/reference/hallow-prayer-meditation) (Hallow, Inc.) — 4.7/5 Rating | Negative Sentiment

## Methodology {#methodology}

This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline:

1. **Signal Collection & Normalization** — Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps.
2. **Feature & Market Positioning Analysis** — Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks.
3. **User Sentiment Analysis** — Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction and evidence quoting.
4. **Competitive Landscape Analysis** — Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category.
5. **Intelligence Synthesis** — Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights.

- **Confidence Score:** 0.45/1.0 (based on review volume, data source diversity, and signal quality)
- **Reviews Analyzed:** 49
- **Data Sources:** user reviews, App Store metadata
- **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform
- **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence.
- **Report Age:** 0 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/intel-report/reference/shirabe-jisho)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.