---
source: marlvel.ai
type: app_intelligence_section
content_version: "v2"
section_slug: "sentiment"
section_label: "User Sentiment"
section_anchor: "#user-sentiment"
app_name: "Book Catalog"
bundle_id: "spruzzolabs.BookLibrary"
parent_report: "https://marlvel.ai/api/llm/apps/books/book-catalog"
canonical_url: "https://marlvel.ai/apps/book-catalog#user-sentiment"
license: CC-BY-NC-4.0
citation: "Marlvel.ai — Book Catalog User Sentiment (section of intelligence report)"
---

## 🟡 User Sentiment (High Confidence: 5.2K reviews) {#user-sentiment}
- **Overall Rating:** 3.66/5
- **Platform Split:** iOS 4.0/5 (1 ratings) | Android 3.7/5 (5.2K ratings)
- **Overall Sentiment:** Mixed

### Top Praises
- **Privacy and local storage**

### Top Complaints (Impact Areas)
- **Data loss during upgrades**

<!-- /section:sentiment -->
<!-- section:swot -->