Privacy and Your Data
Learn how Agathos Books handles your personal information and how you can control your privacy. For the full legal policy, see our Privacy Policy.
What We Collect
Section titled “What We Collect”Account Information
Section titled “Account Information”- Email address or phone number — For sign-in and notifications
- Display name — Shown to library members
- Profile photo — Optional, shown to library members
Library Activity
Section titled “Library Activity”- Books you own — My Books
- Libraries you’ve joined — Membership records
- Lending history — Books borrowed and lent
- Reading activity — Books you’ve marked as reading/finished
Technical Data
Section titled “Technical Data”- Device and connection details — Browser, platform, and similar signals needed for notifications, security, and troubleshooting
- Diagnostics — Error and performance logs to keep the app running smoothly
We do not sell your data or use it for advertising.
Who Sees Your Information
Section titled “Who Sees Your Information”Library Members See
Section titled “Library Members See”- Your display name
- Your profile photo
- Books you’ve shared with their library
- When you ask to borrow their book: how many of your recent returns were on time, and a short heads-up if one applies (see Understanding your track record)
- Reading activity you’ve chosen to share
Library Members Don’t See
Section titled “Library Members Don’t See”- Your email address or phone number
- Your books in My Books (unless shared)
- Your activity in other libraries
- Private notes on books
Library Admins Additionally See
Section titled “Library Admins Additionally See”- Your email address (admins never see your phone number)
- Lending activity within their library, including whether you have a borrowing heads-up
- Join request details
Privacy Controls
Section titled “Privacy Controls”Profile Visibility
Section titled “Profile Visibility”One toggle in Settings → Privacy — Visible to library members — controls your profile and reading activity visibility:
- On — Library members can view your profile and see your reading milestones in activity feeds
- Off — Your profile is hidden from other members and your reading milestones stay off the activity feed. The admins of your libraries still see your activity in those libraries
When you turn it off, we’ll ask if you also want to hide past reading activity from other members’ feeds.
Blocked Members
Section titled “Blocked Members”Settings → Privacy also lists the people you’ve blocked, under Blocked members. Blocked members can’t borrow from you, lend to you or message you; past loans and messages stay. Tap Unblock to undo it.
Your Public Profile
Section titled “Your Public Profile”To see your profile the way other members do, tap View my public profile in Settings → Privacy.
Minors
Section titled “Minors”Users ages 13–17 default to a hidden profile (private) and can have a supervisor who controls the visibility toggle. See Supervision for Minors.
Profile Scope
Section titled “Profile Scope”Your profile is only visible to members of libraries you’ve joined. People outside your libraries cannot find you by searching.
Your Account Data
Section titled “Your Account Data”View and update
Section titled “View and update”You can view and change most account information in Settings: Profile (name, photo, email, phone), Privacy and Notifications. Links to our Privacy policy and Terms are at the bottom of Settings on a phone or tablet.
Delete your account
Section titled “Delete your account”You can permanently delete your account in the app. See Deleting your account for requirements and steps.
If you cannot complete deletion (for example, blocked by active loans), contact support for help finishing the process.
Library data export
Section titled “Library data export”Library owners on eligible subscription plans can export library books, loans, and member lists (CSV) from Library Settings → Advanced. This is library operational data, not a personal account export.
Other privacy requests
Section titled “Other privacy requests”For rights under applicable privacy laws (such as access requests where required), see our Privacy Policy and contact us using the instructions there.
Third-Party Services
Section titled “Third-Party Services”We use trusted third-party services for:
- Email and SMS delivery — Authentication codes and notifications
- Book data — To look up book information when you add books
- Image hosting — To store book covers and profile photos
- Error monitoring — To diagnose crashes and performance issues
These services only receive the minimum data needed for their function.
Security
Section titled “Security”- Encrypted connections — All data transmitted over HTTPS
- Secure storage — Data stored with encryption at rest
- No passwords — We use email/SMS verification, not passwords
- Session management — Automatic logout after extended inactivity
Related Articles
Section titled “Related Articles”Still Need Help?
Section titled “Still Need Help?”For privacy questions, contact support or use the email in our Privacy Policy.