--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "Kolkata Book Fair-IKBF" developer_entity: "Publishers & Booksellers Guild" bundle_id: "net.kolkatabookfair.ikbf77" app_store_id: "6740539625" google_play_id: "net.kolkatabookfair.ikbf" category: "Lifestyle" primary_platform: "ios" primary_monetization: "Free" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-01-25" report_date: "2026-11-09" last_verified: "2026-11-09T00:00:00.000Z" report_version: "4.0" total_reviews: 0 sentiment: "Mixed" sentiment_score: 45 confidence: "medium" confidence_score: 0.45 top_praise_theme: "The online portal provides helpful information for bibliophiles navigating the various book stalls at the fair" top_complaint_theme: "The map functionality fails to provide a native experience by redirecting users to an external website" review_sample_size: 25 total_review_count: 25 analyzed_review_count: 25 data_age_days: 5 momentum_velocity: "zombie" intelligence_version: 2 tags: ["lifestyle", "free", "mixed sentiment", "mobile app", "app review", "app analysis", "attendees", "participants", "international"] canonical_url: "https://marlvel.ai/apps/kolkata-book-fair-ikbf" license: "CC-BY-NC 4.0" content_version: "v2" --- # Kolkata Book Fair-IKBF Intelligence Report ## TL;DR {#tldr} - **Category**: Lifestyle · Free - **Signal**: Sentiment Mixed - **Recent focus**: The map functionality fails to provide a native experience by redirecting users to an external website (top complaint) · The online portal provides helpful information for bibliophiles navigating the various book stalls at the fair (top praise) > **TL;DR:** Kolkata Book Fair-IKBF is a lifestyle app by Publishers & Booksellers Guild, with Mixed user sentiment (45/100), available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** Kolkata Book Fair-IKBF is a lifestyle app by Publishers & Booksellers Guild. ## Quick Facts | Fact | Value | | :--- | :--- | | **User Mood** | Mixed | | **Category** | Lifestyle | | **Developer** | Publishers & Booksellers Guild | | **Pricing** | Free | | **Platforms** | iOS & Android | | **Confidence** | Medium (0.45/1.0) | | **Data Age** | 5d | ## Metadata & Market Performance - **Publisher:** Publishers & Booksellers Guild - **Category:** Lifestyle - **Target Audience:** Attendees and participants of the International Kolkata Book Fair seeking event navigation and updates. - **Platforms:** iOS & Android - **Version Reviewed:** 4.0 - **Report Date:** 2026-11-09 - **Signal Count:** 25 reviews analyzed - **Confidence:** Medium (0.45/1.0) - **App Store ID (iOS):** 6740539625 - **Bundle ID:** net.kolkatabookfair.ikbf77 - **Google Play ID:** net.kolkatabookfair.ikbf - **Data Window:** Analysis based on signals collected up to 2026-11-09 ## Executive Snapshot **What it is:** Kolkata Book Fair-IKBF is a lifestyle utility app for International Kolkata Book Fair attendees, providing event maps, exhibitor directories, and live streaming on iOS and Android. **Why users hire it:** The app removes the friction of locating specific stalls in a large-scale physical event by providing a searchable directory and event-specific navigation tools. ## App DNA (Features & Intent) - **[Standard] Real-time Notifications:** Push alerts for event updates and announcements. [Revenue Link: Increases app open frequency during the event window — retention lever.] * *User Intent:* Users want timely prompts to stay engaged without missing updates. - **[Standard] Interactive Maps:** Navigation tools for locating stalls and venues within the book fair. [Revenue Link: Utility-driven engagement during physical attendance — retention lever.] * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Differentiator] Live Streaming:** Video broadcast of fair events and announcements. [Revenue Link: Drives high-duration sessions for remote users — engagement loop.] * *User Intent:* Users expect intelligent, adaptive experiences that learn from their behavior. - **[Standard] Participant Directory:** Searchable list of exhibitors and book sellers. [Revenue Link: B2B / partnership — facilitates discovery of exhibitors for the guild.] * *User Intent:* Users want to quickly find relevant content or features. ## Market Position {#market-position} Kolkata Book Fair-IKBF serves as a niche event utility for the International Kolkata Book Fair, with no direct monetization strategy. The lack of recent updates and persistent navigation complaints suggest the app is currently in maintenance mode rather than active market expansion. ## Monetization Strategy - **Model:** Free - **Analysis:** The app is free to use with no visible in-app purchases or subscription tiers. ## 🟡 User Sentiment (Medium Confidence: 25 of 25 reviews analyzed) {#user-sentiment} - **Overall Sentiment:** Mixed ### Top Praises - **The online portal provides helpful information for bibliophiles navigating the various book stalls at the fair** ### Top Complaints (Impact Areas) - **The map functionality fails to provide a native experience by redirecting users to an external website** ## SWOT Analysis {#swot} **Core Strengths:** - Live streaming capability drives high-duration sessions for remote users **Growth Levers:** - Native coordinate-based mapping would resolve primary navigation complaints ## What's New - **Latest (v5.0, 9 months ago):** Introduced a dedicated participant list view for easier attendee management. ## App Momentum (Zombie) {#momentum} - Ships no updates for 9 months. - Last major release January 2026. > **Cadence:** 2 total versions · 1 majors in last 6 months · 287 days since last update · 1 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} Kolkata Book Fair-IKBF is a lifestyle app that is completely free. > **Bottom Line:** Kolkata Book Fair-IKBF requires a pivot to native map integration to address the navigation failures that currently drive negative sentiment. Prioritizing this utility would restore the app's value as a reliable event guide for attendees. **Best for:** Attendees and participants of the International Kolkata Book Fair seeking event navigation and updates. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Rebuild map functionality as a native in-app feature because external redirects are the #1 user complaint → reduce churn during fair attendance ### Outlook: Stable The outlook for Kolkata Book Fair-IKBF remains stable in a maintenance-only state, with no signs of active development to address user-reported navigation issues. The app will likely continue to serve as a secondary informational tool unless the developer prioritizes a native map implementation to resolve the current usability friction. - 🔴 The 9-month update gap suggests the app is in maintenance mode, which prevents the resolution of critical navigation bugs reported by users. - 🔴 Reliance on external browser redirects for maps causes a disjointed experience, leading to user frustration and potential abandonment of the app during the fair. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Total Reviews | 0 | | Sentiment | Mixed (45/100) | | Confidence | Medium | | Pricing Model | Free | | Platforms | iOS & Android | | Key Features | 4 analyzed | | Outlook | Stable | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **Kolkata Book Fair-IKBF** (this app) | N/A/5 | Mixed | Publishers & Booksellers Guild | | [Amora: A Hint of Your Soulmate](https://marlvel.ai/apps/amora-a-hint-of-your-soulmate) | 4.6/5 | N/A | Lit Apps LLC (Mobile) | | [ATLAS:EARTH: Collect Places](https://marlvel.ai/apps/atlas-earth-fun-cashback) | 4.6/5 | n/a | Atlas Reality, Inc. | | [Daily Mood Log](https://marlvel.ai/apps/daily-mood-log) | N/A/5 | N/A | Nadim Elsayed | | [Find My Location: Tracker](https://marlvel.ai/apps/com-friendslocator) | 4.2/5 | n/a | DIGITS LTD | | [Happy Home by Hiller](https://marlvel.ai/apps/happy-home-by-hiller) | 2.4/5 | n/a | Hiller Plumbing, Heating, Cooling, & Electrical | ## Company Profile - **Developer:** Publishers & Booksellers Guild ## Data Sources & Links - **App Store ID:** 6740539625 - **Google Play ID:** net.kolkatabookfair.ikbf - **Sources:** App store metadata, User reviews. ## Related Intel Reports - [*Amora: A Hint of Your Soulmate*](https://marlvel.ai/apps/amora-a-hint-of-your-soulmate) (Lit Apps LLC (Mobile)) · 4.6/5 Rating - [*ATLAS:EARTH: Collect Places*](https://marlvel.ai/apps/atlas-earth-fun-cashback) (Atlas Reality, Inc.) · 4.6/5 Rating - [*Daily Mood Log*](https://marlvel.ai/apps/daily-mood-log) (Nadim Elsayed) · N/A Rating - [*Find My Location: Tracker*](https://marlvel.ai/apps/com-friendslocator) (DIGITS LTD) · 4.2/5 Rating - [*Happy Home by Hiller*](https://marlvel.ai/apps/happy-home-by-hiller) (Hiller Plumbing, Heating, Cooling, & Electrical) · 2.4/5 Rating - [*Journey - Diary, Journal*](https://marlvel.ai/apps/com-journey-ios-app) (Two App Studio Pte. Ltd.) · 4.6/5 Rating | Positive Sentiment - [*Petまんま*](https://marlvel.ai/apps/pet) (株式会社Cavemen.jp) · N/A Rating - [*QuickHue - The easy to use Hue Remote*](https://marlvel.ai/apps/quickhue-the-easy-to-use-hue-remote) (Xonay Media) · 1.3/5 Rating - [*Spirit Talker ®*](https://marlvel.ai/apps/spirit-talker) (Spotted Ghosts) · 2.8/5 Rating - [*Umax - Become Hot*](https://marlvel.ai/apps/com-umax-tech) (Improvement Tech) · 4.5/5 Rating ## Frequently Asked Questions {#faq} ### Is Kolkata Book Fair-IKBF free to use? Yes, Kolkata Book Fair-IKBF is free to use and does not contain any in-app purchases or subscription tiers. ### Does the app provide real-time updates during the fair? Yes, the app features real-time notifications for event updates and announcements, as well as live streaming of fair events. ### Why does the map feature open a web browser? The current map implementation relies on external web redirects, which users have reported as a source of frustration and usability issues. ### Can I use this app to find specific book stalls? Yes, the app includes a participant directory and map tools to help locate stalls, though users have reported that stall information can sometimes be outdated. ## 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 into synthesised themes (no verbatim quotes). 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:** 25 - **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:** 5 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/kolkata-book-fair-ikbf) Data licensed for AI Agent attribution under CC-BY-NC 4.0.