--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "ISBN Book Scanner & Library" developer_entity: "Runar Ovesen Hjerpbakk" bundle_id: "com.hjerpbakk.bookscanner" app_store_id: "813124189" category: "Utilities" primary_platform: "ios" primary_monetization: "Freemium" offline_capable: false market_region: "US" platforms: "iOS" app_last_updated: "2026-07-28" report_date: "2026-08-10" last_verified: "2026-08-10T00:00:00.000Z" report_version: "2026.4" total_reviews: 1 overall_rating: 1 sentiment: "Frustrated" sentiment_score: 30 confidence: "medium" confidence_score: 0.5 top_praise_theme: "The intelligent scanning mechanism provides a fast and effective way to catalog personal book collections" top_complaint_theme: "Users report the app fails to function as expected and lacks responsive customer support for troubleshooting" review_sample_size: 3 total_review_count: 3 analyzed_review_count: 3 data_age_days: 52 momentum_velocity: "maintenance" intelligence_version: 3 tags: ["utilities", "freemium", "frustrated sentiment", "mobile app", "app review", "app analysis", "collectors", "readers", "digitize"] canonical_url: "https://marlvel.ai/apps/isbn-book-scanner-library" license: "CC-BY-NC 4.0" content_version: "v2" --- # ISBN Book Scanner & Library Intelligence Report ## TL;DR {#tldr} - **Category**: Utilities · Freemium - **Signal**: Rating 1 · Sentiment Frustrated - **Recent focus**: Users report the app fails to function as expected and lacks responsive customer support for troubleshooting (top complaint) · The intelligent scanning mechanism provides a fast and effective way to catalog personal book collections (top praise) > **TL;DR:** ISBN Book Scanner & Library is a utilities app by Runar Ovesen Hjerpbakk, rated 1/5 by 1 users, with Frustrated user sentiment (30/100), available on iOS. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** ISBN Book Scanner & Library faces Frustrated user sentiment (1/5 from 1 review), with users reporting users report the app fails to function as expected and lacks responsive customer support for troubleshooting as the primary concern. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 1/5 (1 review) | | **User Mood** | Frustrated | | **Category** | Utilities | | **Developer** | Runar Ovesen Hjerpbakk | | **Pricing** | Freemium | | **Platforms** | iOS | | **Confidence** | Medium (0.5/1.0) | | **Data Age** | 52d | ## Metadata & Market Performance - **Publisher:** Runar Ovesen Hjerpbakk - **Category:** Utilities - **Target Audience:** Book collectors and readers who want to digitize physical libraries and track annual reading progress. - **Platforms:** iOS - **Version Reviewed:** 2026.4 - **Report Date:** 2026-08-10 - **Signal Count:** 3 reviews analyzed - **Confidence:** Medium (0.5/1.0) - **App Store ID (iOS):** 813124189 - **Bundle ID:** com.hjerpbakk.bookscanner - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-08-10 ## Executive Snapshot **What it is:** ISBN Book Scanner & Library is a utility app for iOS that digitizes physical book collections via ISBN barcode scanning. **Why users hire it:** Users hire this app to catalog personal libraries and track reading progress, replacing manual entry with automated lookups. ## App DNA (Features & Intent) - **[Standard] Barcode Scanner:** Camera-based ISBN lookup across Open Library, Google Books, and Apple Books. - **[Differentiator] Batch Scanning:** Continuous scanning mode for cataloging multiple books; gated behind Premium. * *User Intent:* Users are motivated by consistent progression and daily incentives. ## Market Position {#market-position} The app maintains a niche utility position in the Utilities category, though its 1.0-star rating across 3 reviews signals significant functional instability. ## Monetization Strategy - **Model:** Freemium - **Tiers:** Free tier: 10 books, one shelf, reading goals, Premium tier: One-time purchase for unlimited library, batch scanning, notes, export - **Analysis:** Freemium model uses a one-time purchase to unlock power-user features like batch scanning and data export. ## 🔴 User Sentiment (Medium Confidence: 3 of 3 reviews analyzed) {#user-sentiment} - **Overall Rating:** 1/5 - **Platform Split:** iOS 1.0/5 (1 ratings) - **Overall Sentiment:** Frustrated ### Top Praises - **The intelligent scanning mechanism provides a fast and effective way to catalog personal book collections** ### Top Complaints (Impact Areas) - **Users report the app fails to function as expected and lacks responsive customer support for troubleshooting** ## SWOT Analysis {#swot} **Core Strengths:** - Camera-based ISBN lookup provides a fast, effective way to catalog personal collections. **Growth Levers:** - Integration of social reading features could improve retention beyond simple cataloging. ## Recent Changes (v2 → v3) {#recent-changes} The app's strategic focus shifted from B2B education partnerships to social reading integration, while the competitive narrative now emphasizes the friction between basic utility and gated power-user features. **Overall trend**: Stable **Compared at**: 2026-08-10 ### High-impact changes - **[Shifted] Opportunity Pivot** (swot) ### Medium-impact changes - **[Shifted] Threat Refinement** (swot) - **[Shifted] Executive Summary Narrative** (positioning) ## What's New - **Latest (v2026.4, 1 weeks ago):** Improved author display, optimized first-launch scanner speed, and fixed Premium purchase persistence issues. ## App Momentum (Maintenance) {#momentum} - Ships latest release with scanner improvements. - Maintains maintenance-level update cadence. > **Cadence:** 1 total versions · 0 majors in last 6 months · 12 days since last update ## The "So What?" (Strategic Takeaway) {#so-what} ISBN Book Scanner & Library is an utilities app that is free with in-app purchases. It holds a 1/5 rating from 1 review. > **Bottom Line:** ISBN Book Scanner & Library provides a high-utility scanning mechanism, but the aggressive paywall on batch-scanning functionality alienates the core user base, so the developer must pivot to a more permissive free tier to prevent churn to free competitors. **Best for:** Book collectors and readers who want to digitize physical libraries and track annual reading progress. ### PM Action Plan (Next Best Moves) - [ ] [PIVOT] Pivot free-tier limits because 1★ reviews flag monetization as a top frustration → reduce churn ### Outlook: Declining The utility-scanner market is consolidating around apps that provide frictionless cataloging, and the current functional instability leaves this app exposed to churn. The developer must prioritize stability and a more balanced monetization model to prevent further erosion of the user base. - 🔴 Functional failures in the latest release (reported as non-functional) erode user trust, which compounds the rating drag already visible on the platform. - 🔴 Aggressive monetization gating of core batch-scanning features drives negative sentiment, which limits the app's ability to convert free users into long-term advocates. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 1/5 | | Total Reviews | 1 | | Sentiment | Frustrated (30/100) | | Confidence | Medium | | Pricing Model | Freemium | | Platforms | iOS | | Key Features | 2 analyzed | | Trend | Stable | | Outlook | Declining | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **ISBN Book Scanner & Library** (this app) | 1/5 | Frustrated | Runar Ovesen Hjerpbakk | | [avoVPN Desktop](https://marlvel.ai/apps/avovpn-desktop) | N/A/5 | N/A | Avocado VPN Technologies | | [Free VPN by Free VPN .org™](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) | 4.5/5 | Mixed | Free VPN LLC | | [Fusvob VPN : Super VPN 2026](https://marlvel.ai/apps/com-toplinkc-foxexcellent) | 4.4/5 | Mixed | Fuxin Technology | | [Potatso](https://marlvel.ai/apps/potatso) | 4.4/5 | n/a | Potatso Lab LTD | | [Quantumult X](https://marlvel.ai/apps/quantumult-x) | 3.8/5 | N/A | Cross Utility Ltd | ## Company Profile - **Developer:** Runar Ovesen Hjerpbakk - **Website:** [https://www.hjerpbakk.com/bookscanner](https://www.hjerpbakk.com/bookscanner) - **Social:** [LinkedIn](https://www.linkedin.com/in/hjerpbakk) ## Data Sources & Links - **App Store:** [View on Apple Store](https://apps.apple.com/us/app/isbn-book-scanner-library/id813124189?uo=4) - **Dev Site:** [Official Website](https://www.hjerpbakk.com/bookscanner) - **Sources:** Developer website content, About us / company information, App store metadata, User reviews. ## Related Intel Reports - [*avoVPN Desktop*](https://marlvel.ai/apps/avovpn-desktop) (Avocado VPN Technologies) · N/A Rating - [*Free VPN by Free VPN .org™*](https://marlvel.ai/apps/free-vpn-by-free-vpn-org) (Free VPN LLC) · 4.5/5 Rating - [*Fusvob VPN : Super VPN 2026*](https://marlvel.ai/apps/com-toplinkc-foxexcellent) (Fuxin Technology) · 4.4/5 Rating - [*Potatso*](https://marlvel.ai/apps/potatso) (Potatso Lab LTD) · 4.4/5 Rating - [*Quantumult X*](https://marlvel.ai/apps/quantumult-x) (Cross Utility Ltd) · 3.8/5 Rating - [*V2Box - V2ray Client*](https://marlvel.ai/apps/v2box-v2ray-client) (techlaim) · 4.5/5 Rating - [*카톡 분석 - 오픈채팅, 카톡 채팅 분석, 통계, 검색*](https://marlvel.ai/apps/com-liger-katalkanalysispaid) (Park Sung Cheol) · N/A Rating - [*로또 황금번호 생성기*](https://marlvel.ai/apps/lotto-lottogold) (jaehwan lee) · N/A Rating - [*도사폰 (만세력 역학도구)*](https://marlvel.ai/apps/app--656) (Softchaser Company Limited) · 5.0/5 Rating - [*근로자 공수달력*](https://marlvel.ai/apps/jaehwan-worktracer) (jaehwan lee) · N/A Rating ## 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:** 0.5/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 3 - **Data Sources:** user reviews, developer website, company about page, 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:** 52 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/isbn-book-scanner-library) Data licensed for AI Agent attribution under CC-BY-NC 4.0.