Privacy Policy

Last updated: April 23, 2026

Shelf Sync ("we", "us", or "our") operates the Shelf Sync mobile application and website at shelfsyncapp.co.uk. Shelf Sync is a product of Made in Toton Limited, a company registered in England and Wales (Company No. 17167064). This page informs you of our policies regarding the collection, use, and disclosure of personal data when you use our Service.

1. Data Collection

We collect information to provide a better experience for our users. This includes:

• Account Information: When you sign up, we store your email and profile information to sync your library across devices.
• Library Data: Titles, authors, and metadata of books you scan or add to your collection are stored in our secure database.

2. Camera and Image Processing

Shelf Sync requires access to your device's camera to perform its core functions:

• Spine Scanning (AI Vision): Our Service uses advanced computer vision to identify multiple books from a single photo of a bookshelf. Images used for spine scanning are processed securely and are used solely for the purpose of identifying your books.
• Barcode Scanning: To identifies individual books via ISBN barcodes.

3. AI and Third-Party Services

We use industry-leading AI services (including Google Gemini) to provide book identification and metadata enrichment. Your book-related data is processed by these services to generate information and recommendations. No personally identifiable information (PII) is shared with these models beyond what is necessary to process the request.

4. Advertising and Analytics

We may use Google AdMob or similar services to display advertisements. These services may use unique device identifiers to serve ads based on your interests. We use anonymized analytics to improve the performance and reliability of the app.

5. Contact Us

If you have any questions about this Privacy Policy, please contact us at support@shelfsyncapp.co.uk.