--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Booklog - 本の進捗管理アプリ" developer_entity: "Ryunosuke Shibuya" bundle_id: "com.ryu.Booklog" app_store_id: "6738736445" category: "Book" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2024-11-30" report_date: "2026-04-23" report_version: "1.0" total_reviews: 0 confidence: "low" confidence_score: 0.05 data_age_days: 69 intelligence_version: 2 tags: ["book", "free", "mobile app", "app review", "app analysis", "readers", "organize", "their"] canonical_url: "https://marlvel.ai/apps/booklog-1" license: "CC-BY-NC 4.0" last_verified: "2026-04-23T20:41:57.074Z" --- # Booklog - 本の進捗管理アプリ App Audit > **TL;DR:** Booklog - 本の進捗管理アプリ is a book app by Ryunosuke Shibuya, available on iOS. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** Booklog - 本の進捗管理アプリ is a book app by Ryunosuke Shibuya. ## Quick Facts | Fact | Value | | :--- | :--- | | **Category** | Book | | **Developer** | Ryunosuke Shibuya | | **Pricing** | Free | | **Platforms** | iOS | | **Confidence** | Low (0.05/1.0) | | **Data Age** | 69d | ## Metadata & Market Performance - **Publisher:** Ryunosuke Shibuya - **Category:** Book - **Target Audience:** Readers who want to organize their personal book collections and track reading progress across multiple statuses. - **Platforms:** iOS - **Version Audited:** 1.0 - **Audit Date:** 2026-04-23 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.05/1.0) - **App Store ID (iOS):** 6738736445 - **Bundle ID:** com.ryu.Booklog - **Data Window:** Analysis based on signals collected up to 2026-04-23 ## Executive Snapshot Booklog is a book management application designed to help users track reading progress through customizable status categories. It enables efficient library organization via barcode scanning, manual entry, and tagging systems. ## App DNA (Features & Intent) - **[Standard] Status Management:** Organize books into categories like Purchased, To Buy, Currently Reading, and Finished Reading with customizable colors. * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] Registration Tools:** Register books quickly using barcode scanning or manual entry for custom materials. * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] Organization and Metadata:** Categorize items with tags and record specific details such as page counts and deadlines. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. ## Monetization Strategy - **Model:** Free ## The "So What?" (Strategic Takeaway) Booklog - 本の進捗管理アプリ is an established book app that is completely free. > **Bottom Line:** Booklog provides a straightforward, customizable utility for users to track their reading lifecycle and manage personal book inventories. **Best for:** Readers who want to organize their personal book collections and track reading progress across multiple statuses. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Confidence | Low | | Pricing Model | Free | | Platforms | iOS | | Key Features | 3 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Booklog - 本の進捗管理アプリ** (this app) | N/A/5 | N/A | Ryunosuke Shibuya | | [Trucks - Byron Barton](https://marlvel.ai/apps/trucks-byron-barton) | 4.3/5 | N/A | Oceanhouse Media | | [Gutenberg | eBook Reader](https://marlvel.ai/apps/gutenberg-ebook-reader) | 4.4/5 | N/A | Webron Software LTD | | [Love Text Messages and Quotes](https://marlvel.ai/apps/love-text-messages-and-quotes) | 4.7/5 | N/A | DH3 Games | | [Margins: Book Tracker](https://marlvel.ai/apps/app-margins-margins) | 4.9/5 | N/A | Paratext Inc. | | [Hindu Calendar - Panchang](https://marlvel.ai/apps/hindu-calendar-panchang) | 4.3/5 | N/A | Sudhirbhai Ubhada | ## Company Profile - **Developer:** Ryunosuke Shibuya ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/booklog-%E6%9C%AC%E3%81%AE%E9%80%B2%E6%8D%97%E7%AE%A1%E7%90%86%E3%82%A2%E3%83%97%E3%83%AA/id6738736445?uo=4) - **Sources:** App store metadata. ## Related Intel Reports - [*Trucks - Byron Barton*](https://marlvel.ai/apps/trucks-byron-barton) (Oceanhouse Media) — 4.3/5 Rating | N/A Sentiment - [*Gutenberg | eBook Reader*](https://marlvel.ai/apps/gutenberg-ebook-reader) (Webron Software LTD) — 4.4/5 Rating | N/A Sentiment - [*Love Text Messages and Quotes*](https://marlvel.ai/apps/love-text-messages-and-quotes) (DH3 Games) — 4.7/5 Rating | N/A Sentiment - [*Margins: Book Tracker*](https://marlvel.ai/apps/app-margins-margins) (Paratext Inc.) — 4.9/5 Rating | N/A Sentiment - [*Hindu Calendar - Panchang*](https://marlvel.ai/apps/hindu-calendar-panchang) (Sudhirbhai Ubhada) — 4.3/5 Rating | N/A Sentiment - [*CloudLibrary*](https://marlvel.ai/apps/com-mmm-cloudlibrary) (OCLC) — 4.7/5 Rating | N/A Sentiment - [*JoyRead-Enjoy Novels & Shorts*](https://marlvel.ai/apps/com-whaledream-novel) (UREAD GLOBAL PTE. LTD.) — 4.3/5 Rating | N/A Sentiment - [*Tappytoon Comics & Novels*](https://marlvel.ai/apps/com-tappytoon-tappytoon) (Contents First) — 4.3/5 Rating | N/A Sentiment - [*Novellair*](https://marlvel.ai/apps/com-qvon-novellair) (QVON) — 3.9/5 Rating | N/A Sentiment - [*كتبي للجميع*](https://marlvel.ai/apps/app--163) (Ahmed Emad AlDeen Lotfy Mahmoud) — N/A Rating | N/A Sentiment ## Methodology This report was generated by Marlvel.ai's 3-stage AI intelligence pipeline: 1. **Feature & Positioning Extraction** — Analyzes app metadata, developer website content, and version history to identify key features, target audience, and competitive positioning. 2. **Sentiment Analysis** — Processes user reviews (minimum 5 reviews required) to extract praise themes, complaint themes, and overall sentiment with evidence quotes. 3. **Intelligence Synthesis** — Combines stages 1 & 2 with App Store rankings to produce SWOT analysis, executive summary, and actionable insights. - **Confidence Score:** 0.05/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** 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:** 69 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/booklog-1) Data licensed for AI Agent attribution under CC-BY-NC 4.0.