Privacy Policy

Introduction

At CaliMob, we take your privacy seriously. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our service. Please read this policy carefully. By using CaliMob, you consent to the practices described herein.

Information We Collect

Account Information

When you create a CaliMob account, we collect:

  • Your name and email address
  • Authentication credentials (password hash or OAuth provider tokens)
  • Preferred language and timezone settings

Library Data

When you use CaliMob to manage your book library, we store:

  • Book metadata (titles, authors, publishers, tags, series, ratings)
  • Reading progress and bookmarks
  • Book cover images
  • E-book files you upload for cloud sync

Usage Data

We automatically collect certain information when you access our service:

  • Device type, operating system, and browser version
  • IP address and approximate geographic location
  • Pages visited and features used
  • Sync activity timestamps

How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve the CaliMob service
  • Synchronize your library across devices
  • Process payments and manage subscriptions
  • Send transactional emails (password resets, sync confirmations)
  • Detect and prevent fraud or abuse
  • Comply with legal obligations

Cookies and Tracking

We use cookies and similar technologies for authentication, session management, and analytics. For more details, please see our Cookie Policy.

Third-Party Services

We may share limited data with trusted third-party providers:

  • Payment processors (Stripe, PayPal) — to process subscription payments
  • Cloud storage (Cloudflare R2) — to store your uploaded e-book files
  • AI providers — to power AI-assisted features such as metadata enrichment (book data only, never personal information)
  • Analytics — aggregated, anonymized usage statistics

We do not sell your personal information to any third party.

Data Retention

We retain your account data for as long as your account is active. If you delete your account, we will remove your personal data within 30 days, except where retention is required by law. Anonymized usage data may be retained indefinitely for analytics purposes.

Your Rights

Depending on your jurisdiction, you may have the right to:

  • Access and receive a copy of your personal data
  • Correct inaccurate data
  • Request deletion of your data
  • Object to or restrict processing of your data
  • Data portability (export your library in standard formats)
  • Withdraw consent at any time

To exercise these rights, please contact us at [email protected].

Data Security

We implement industry-standard security measures including encryption in transit (TLS), encrypted storage for sensitive data, and regular security audits. However, no method of electronic transmission or storage is 100% secure.

Children's Privacy

CaliMob is not intended for children under 16. We do not knowingly collect data from children. If you believe a child has provided us with personal information, please contact us immediately.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of material changes by posting the updated policy on this page and updating the "Last updated" date. Your continued use of the service after changes constitutes acceptance.

Contact Us

If you have questions about this Privacy Policy, please contact us at [email protected] or visit our Contact page.

Last updated: May 3, 2026