--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "FBReader Bookshelf" developer_entity: "FBReader.ORG Limited" bundle_id: "org.fbreader.plugin.library" app_store_id: "389359495" category: "Books & Reference" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-03-17" report_date: "2026-05-26" last_verified: "2026-05-26T11:56:21.062Z" report_version: "11.3.2" total_reviews: 8625 overall_rating: 3.88 confidence: "low" confidence_score: 0.25 data_age_days: 36 momentum_velocity: "active" intelligence_version: 2 tags: ["books & reference", "freemium", "mobile app", "app review", "app analysis", "existing", "users", "fbreader"] canonical_url: "https://marlvel.ai/intel-report/books-reference/org-fbreader-plugin-library" license: "CC-BY-NC 4.0" content_version: "v2" --- # FBReader Bookshelf App Audit ## TL;DR {#tldr} - **Category**: Books & Reference · Freemium - **Signal**: Rating 3.88 > **TL;DR:** FBReader Bookshelf is a books & reference app by FBReader.ORG Limited, rated 3.88/5 by 8.6K users, available on iOS & Android. > > **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence. > **Key Insight:** FBReader Bookshelf is a books & reference app by FBReader.ORG Limited. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 3.88/5 (8.6K reviews) | | **Category** | Books & Reference | | **Developer** | FBReader.ORG Limited | | **Pricing** | Freemium | | **Platforms** | iOS & Android | | **Confidence** | Low (0.25/1.0) | | **Data Age** | 0d | ## Metadata & Market Performance - **Publisher:** FBReader.ORG Limited - **Category:** Books & Reference - **Target Audience:** Existing users of FBReader 3.0 or older seeking improved visual organization and management of their digital book collections. - **Platforms:** iOS & Android - **Version Audited:** 11.3.2 - **Audit Date:** 2026-05-26 - **Signal Count:** 5 reviews analyzed - **Confidence:** Low (0.25/1.0) - **App Store ID (iOS):** 389359495 - **Bundle ID:** org.fbreader.plugin.library - **Google Play ID:** org.fbreader.plugin.library - **Data Window:** Analysis based on signals collected up to 2026-05-26 - **Short Description:** FBReader Bookshelf in material design style ## Executive Snapshot FBReader Bookshelf is a plugin for FBReader (version 3.0 and below) that replaces the default library view with a customizable thumbnail-based interface. It provides enhanced collection management tools, including custom shelves and a recently added books list, while serving as an entry point for the developer's premium ecosystem. ## App DNA (Features & Intent) - **[Standard] Thumbnail Library View:** Replaces the standard library interface with a visual, thumbnail-based layout for browsing books. * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Standard] Custom Organization:** Allows users to create custom shelves and manage a list of recently added books. * *User Intent:* Users value self-expression and personalized experiences. - **[Standard] Visual Customization:** Provides options to adjust the color scheme and select between wide, small, or tiny book card formats. * *User Intent:* Users value self-expression and personalized experiences. ## Monetization Strategy - **Model:** Freemium ## App Momentum (Active) {#momentum} Last updated 69d ago. 5 versions tracked. > **Cadence:** 5 total versions · 0 majors in last 6 months · 69 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} FBReader Bookshelf is an established books & reference app that is free with in-app purchases. With a 3.88/5 rating from 8.6K reviews, it shows polarized user reception. > **Bottom Line:** This plugin is a legacy tool for older versions of FBReader and is superseded by the native library view in version 3.1 and above. **Best for:** Existing users of FBReader 3.0 or older seeking improved visual organization and management of their digital book collections. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 3.88/5 | | Total Reviews | 8.6K | | Confidence | Low | | Pricing Model | Freemium | | Platforms | iOS & Android | | Key Features | 3 analyzed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **FBReader Bookshelf** (this app) | 3.88/5 | N/A | FBReader.ORG Limited | | [Filipino Tagalog Cebuano Bible](https://marlvel.ai/intel-report/books-reference/filipino-tagalog-cebuano-bible) | 4.7/5 | Mixed | JaqerSoft | | [Mongolian English Audio Bible](https://marlvel.ai/intel-report/books-reference/mongolian-english-audio-bible) | 4.9/5 | N/A | JaqerSoft | | [Turkish English Audio Bible](https://marlvel.ai/intel-report/books-reference/turkish-english-audio-bible) | 4.9/5 | N/A | JaqerSoft | | [French Dictionary & Thesaurus](https://marlvel.ai/intel-report/books-reference/french-dictionary-thesaurus) | 4.7/5 | N/A | TheFreeDictionary.com – Farlex | | [stewww](https://marlvel.ai/intel-report/books-reference/stewww) | N/A/5 | N/A | rechor | ## Company Profile - **Developer:** FBReader.ORG Limited - **Website:** [https://fbreader.org/](https://fbreader.org/) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/ua/app/bookshelf/id389359495?uo=4) - **Google Play:** [View on Google Play](https://play.google.com/store/apps/details?id=org.fbreader.plugin.library) - **Dev Site:** [Official Website](https://fbreader.org/) - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Filipino Tagalog Cebuano Bible*](https://marlvel.ai/intel-report/books-reference/filipino-tagalog-cebuano-bible) (JaqerSoft) — 4.7/5 Rating | Mixed Sentiment - [*Mongolian English Audio Bible*](https://marlvel.ai/intel-report/books-reference/mongolian-english-audio-bible) (JaqerSoft) — 4.9/5 Rating | N/A Sentiment - [*Turkish English Audio Bible*](https://marlvel.ai/intel-report/books-reference/turkish-english-audio-bible) (JaqerSoft) — 4.9/5 Rating | N/A Sentiment - [*French Dictionary & Thesaurus*](https://marlvel.ai/intel-report/books-reference/french-dictionary-thesaurus) (TheFreeDictionary.com – Farlex) — 4.7/5 Rating | N/A Sentiment - [*stewww*](https://marlvel.ai/intel-report/books-reference/stewww) (rechor) — N/A Rating | N/A Sentiment - [*Bengali English Audio Bible*](https://marlvel.ai/intel-report/books-reference/bengali-english-audio-bible) (JaqerSoft) — 3.3/5 Rating | N/A Sentiment - [*Chinese - English Audio Bible*](https://marlvel.ai/intel-report/books-reference/chinese-english-audio-bible) (JaqerSoft) — 4.7/5 Rating | N/A Sentiment - [*ReaderHive - Novels & Books*](https://marlvel.ai/intel-report/books-reference/readerhive-novels-books) (VetraShort) — N/A Rating | N/A Sentiment - [*Fossil Id : Fossil Identifier*](https://marlvel.ai/intel-report/books-reference/fossil-id-fossil-identifier) (TLUTech) — 4.5/5 Rating | N/A Sentiment - [*Urdu English Audio Bible +*](https://marlvel.ai/intel-report/books-reference/urdu-english-audio-bible) (JaqerSoft) — 4.9/5 Rating | N/A 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:** 0.25/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 5 - **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/books-reference/org-fbreader-plugin-library) Data licensed for AI Agent attribution under CC-BY-NC 4.0.