---
schema_type: "SoftwareApplication"
entity_type: "Mobile Application"
app_name: "Public Bookshelf"
developer_entity: "Stefan Trauth"
bundle_id: "de.stefantrauth.bookshelf"
app_store_id: "1243419632"
category: "Book"
primary_platform: "ios"
primary_monetization: "Paid"
offline_capable: false
market_region: "US"
platforms: "iOS"
app_last_updated: "2025-10-16"
report_date: "2026-05-19"
last_verified: "2026-05-19T18:13:04.483Z"
report_version: "3.25"
total_reviews: 0
confidence: "low"
confidence_score: 0.05
data_age_days: 44
momentum_velocity: "maintenance"
intelligence_version: 2
tags: ["book", "paid", "mobile app", "app review", "app analysis", "enthusiasts", "community", "members"]
canonical_url: "https://marlvel.ai/apps/de-stefantrauth-bookshelf"
license: "CC-BY-NC 4.0"
content_version: "v2"
---

# Public Bookshelf App Audit

## TL;DR {#tldr}

- **Category**: Book · Paid

> **TL;DR:** Public Bookshelf is a book app by Stefan Trauth, available on iOS.
>
> **Marlvel.ai App Intelligence** — Independent analysis. US Market. No publisher influence.

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> **Key Insight:** Public Bookshelf is a book app by Stefan Trauth.
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## Quick Facts

| Fact | Value |
| :--- | :--- |
| **Category** | Book |
| **Developer** | Stefan Trauth |
| **Pricing** | Paid |
| **Platforms** | iOS |
| **Confidence** | Low (0.05/1.0) |
| **Data Age** | 44d |

## Metadata & Market Performance
- **Publisher:** Stefan Trauth
- **Category:** Book
- **Target Audience:** Book enthusiasts and community members interested in local book sharing and library exchange programs.
- **Platforms:** iOS
- **Version Audited:** 3.25
- **Audit Date:** 2026-05-19
- **Signal Count:** 0 reviews analyzed
- **Confidence:** Low (0.05/1.0)
- **App Store ID (iOS):** 1243419632
- **Bundle ID:** de.stefantrauth.bookshelf
- **Data Window:** Analysis based on signals collected up to 2026-05-19

<!-- section:executive-snapshot -->
## Executive Snapshot
Public Bookshelf is a location-based utility that helps users find and manage public book exchange points. It enables community-driven database maintenance by allowing users to add, edit, or remove bookshelf locations.
<!-- /section:executive-snapshot -->

<!-- section:features -->
## App DNA (Features & Intent)
- **[Standard] Location Finder:** Users can locate nearby public bookshelves on a map to exchange or lend books for free.
- **[Standard] Bookshelf Metadata:** Provides specific details for each location, including opening times, contact information, and related websites.
  * *User Intent:* Users seek enhanced value through premium features.
- **[Standard] Community Database Management:** Users can contribute to the database by adding new bookshelves, updating existing information, or removing non-existent locations.
  * *User Intent:* Users want real-time communication within the app experience.
<!-- /section:features -->

## Monetization Strategy
- **Model:** Paid
- **Price:** iOS: $0.99

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

Last updated 215d ago. 5 versions tracked.

> **Cadence:** 5 total versions · 0 majors in last 6 months · 215 days since last update

<!-- /section:momentum -->

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

Public Bookshelf is an established book app that is a paid app.

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> **Bottom Line:** The app functions as a crowdsourced directory for public book exchange points, maintained in collaboration with lesestunden.de.
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**Best for:** Book enthusiasts and community members interested in local book sharing and library exchange programs.

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

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

| Metric | Value |
| :--- | :--- |
| Total Reviews | 0 |
| Confidence | Low |
| Pricing Model | Paid |
| Platforms | iOS |
| Key Features | 3 analyzed |
<!-- /section:metrics -->

## Competitor Comparison

| App | Rating | Sentiment | Developer |
| :--- | :--- | :--- | :--- |
| **Public Bookshelf** (this app) | N/A/5 | N/A | Stefan Trauth |
| [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 |
| [Hindu Calendar - Panchang](https://marlvel.ai/apps/hindu-calendar-panchang) | 4.3/5 | N/A | Sudhirbhai Ubhada |
| [Booknet – electronic books](https://marlvel.ai/apps/booknet-electronic-books) | 3.5/5 | N/A | Biblioteka Group Limited |
| [Die Bybel Audio Bible Ebook](https://marlvel.ai/apps/die-bybel-audio-bible-ebook) | 4.8/5 | N/A | Christopher Wilson |

## Company Profile
- **Developer:** Stefan Trauth

## Data Sources & Links
- **App Store:** [View on Apple Store](https://apps.apple.com/de/app/%C3%B6ffentlicher-b%C3%BCcherschrank/id1243419632?uo=2)
- **Sources:** App store metadata.

## Related Intel Reports
- [*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
- [*Hindu Calendar - Panchang*](https://marlvel.ai/apps/hindu-calendar-panchang) (Sudhirbhai Ubhada) — 4.3/5 Rating | N/A Sentiment
- [*Booknet – electronic books*](https://marlvel.ai/apps/booknet-electronic-books) (Biblioteka Group Limited) — 3.5/5 Rating | N/A Sentiment
- [*Die Bybel Audio Bible Ebook*](https://marlvel.ai/apps/die-bybel-audio-bible-ebook) (Christopher Wilson) — 4.8/5 Rating | N/A Sentiment
- [*Ramayan RamCharitManas*](https://marlvel.ai/apps/ramayan-ramcharitmanas) (Jaykishan Moradiya) — 4.6/5 Rating | N/A Sentiment
- [*Bhagavad Gita Hindi !*](https://marlvel.ai/apps/bhagavad-gita-hindi) (LEARNING GAME APPS PRIVATE LIMITED) — 4.8/5 Rating | N/A Sentiment
- [*Garudpuran Hindi*](https://marlvel.ai/apps/garudpuran-hindi) (Dharmesh Kathiriya) — 5.0/5 Rating | N/A Sentiment
- [*Shiv Purana in Hindi*](https://marlvel.ai/apps/shiv-purana-in-hindi) (Mohit Agarwal) — 4.6/5 Rating | Positive Sentiment
- [*كتبي للجميع*](https://marlvel.ai/apps/app--163) (Ahmed Emad AlDeen Lotfy Mahmoud) — N/A 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:** 0.05/1.0 (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:** 44 days since last refresh

---
© 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/de-stefantrauth-bookshelf)
Data licensed for AI Agent attribution under CC-BY-NC 4.0.