Privacy Policy for Time Book

Effective Date: October 30, 2025
Last Updated: April 15, 2026
Operated by: Primm Farms LLC (“we,” “our,” “us”)

Time Book (“the App”) is a personal logbook and recordkeeping tool for railroad professionals, available on iOS and Android. We respect your privacy and are committed to protecting your personal information. This Privacy Policy explains what data we collect, how we use it, when it may be shared, and the choices you have regarding your information.

1. Information We Collect

1.1 Information You Provide

  • Account Information (optional): Email address, display name, phone number (optional), railroad, home terminal, craft/role, and related profile details.
  • Trip & Work Data: On-duty and off-duty times, miles, train symbols, crew information, delays, deadhead entries, layoff entries, pay entries, notes, and related work records you enter into the App.
  • Crew Contacts (optional): Contacts you create inside the App, such as crew member names, phone numbers, email addresses, and notes. This does not include your device’s full contacts list unless you choose to import contacts.
  • Directory Profile (optional): If you opt in to directory-related features, profile information you choose to provide may be visible to other users of the App. This may include your name, railroad, home terminal, phone number, and email address.
  • Attachments and User Content: Photos, videos, files, pay stubs, receipts, notes, feedback submissions, and other content you upload or create in the App.
  • Purchase Information: Subscription status, access level, selected plan, trial status, and related purchase history used to manage premium features.

1.2 Automatically Collected Information

  • User and Account Identifiers: Internal account identifiers, authentication-related identifiers, and cloud record identifiers used to sign you in, sync data, and secure your account.
  • Device Information: Device identifiers and diagnostic details such as device model, operating system version, app version, and similar technical information.
  • Product Interaction Data: Information about how features are used inside the App, such as sign-in events, settings changes, save/delete actions, and feature usage events.
  • Crash, Performance, and Diagnostic Data: Information collected through tools such as Firebase Crashlytics and related diagnostics tooling to monitor stability, investigate issues, and improve performance.
  • Coarse Location (optional): Approximate location information used for app features such as local weather. We do not use location for tracking.
  • Advertising Data: Limited advertising-related data associated with in-app ad delivery when ads are shown in the App.

1.3 No Cross-App Tracking

We do not use data collected in the App for cross-app or cross-website tracking. We do not sell personal information, and we do not share personal information with data brokers.

2. How We Use Your Information

We use information we collect for the following purposes:

  • App Functionality: Providing core app features such as trip logging, calendar views, summaries, pay logs, attachments, notes, profile management, authentication, security, syncing across devices, directory features, and customer support.
  • Analytics and Improvement: Understanding feature usage, evaluating app behavior, measuring stability, investigating crashes, and improving the App’s reliability and performance.
  • Advertising: Displaying third-party advertisements in portions of the App, including ads shown to free-tier users.
  • Optional Features You Enable:
    • Cloud Sync: Syncing your app data across devices when you sign in and enable cloud features.
    • Crew Contacts Sync: Uploading contacts you create in the App to your private cloud account if you enable this feature.
    • Contacts Import: Importing selected contact details from your device only when you choose to do so.
    • Directory: Making selected profile information visible to other users if you explicitly opt in.
    • Weather: Displaying local weather using approximate location if permission is granted.
    • Feedback Follow-Up: Using the email address you provide in a feedback form to contact you if you request follow-up.

3. App Store and Play Store Privacy Categories

For transparency, the App may collect categories of data that include:

  • Name
  • Email Address
  • Phone Number
  • Coarse Location
  • Photos and Videos
  • Other User Content
  • User ID
  • Device ID
  • Purchase History
  • Product Interaction
  • Advertising Data
  • Crash Data
  • Performance Data
  • Other Diagnostic Data

These categories may be used for app functionality, analytics, and third-party advertising as described in this Policy. Data collected for app functionality or analytics may be linked to your account or device where needed to provide the service, secure the App, or troubleshoot issues. We do not use these data categories for cross-app tracking.

4. Data Storage & Security

4.1 Local Storage

Much of your Time Book data is stored locally on your device.

4.2 Cloud Synchronization (Optional)

If you sign in and enable Cloud Sync, your data may sync through Google Firebase services, including:

  • Firebase Authentication for account login and identity management
  • Firebase Firestore for trip data, profile data, contacts, directory records, settings, and other synced information
  • Firebase Storage for attachments and uploaded files
  • Firebase Analytics for usage analytics
  • Firebase Crashlytics for crash reporting and diagnostics

Data transmitted to our service providers is generally encrypted in transit, and cloud-stored data is protected using provider security controls. No method of transmission or storage is completely secure, but we use reasonable measures to protect your information.

5. Sharing of Information

We do not sell or rent your personal data.

5.1 Service Providers

We use third-party providers to operate and improve the App, including services such as Firebase, Google Mobile Ads, weather services, mobile platform purchase infrastructure, and other platform services needed to support iOS and Android functionality.

5.2 Directory and User-Visible Sharing

If you opt in to directory-related features, certain profile details you choose to provide may be visible to other users of the App. You can turn this off later in Settings, subject to normal service processing delays.

5.3 Advertising

The App may display third-party advertisements. Ad providers may process advertising-related information needed to serve and measure ads within the App. Based on the current App configuration, we do not use data collected by the App for cross-app tracking.

5.4 Legal Requirements

We may disclose information if required to do so by law, subpoena, court order, or other valid legal process, or when necessary to protect rights, safety, and the integrity of the App.

6. Data Retention & Deletion

6.1 Local Data

You may delete entries from the App or remove the App from your device at any time.

6.2 Cloud Data

If you use sign-in and cloud features, we retain your data for as long as needed to provide the service, unless you delete it, disable optional features, or request account deletion.

Privacy/Data Requests: [email protected]

Account deletion may remove:

  • Profile information
  • Trip and work data stored in cloud services
  • Uploaded attachments
  • Contacts and directory-related cloud records
  • Associated metadata tied to your account

Some limited records may be retained temporarily as required for security, fraud prevention, billing support, dispute resolution, legal compliance, or standard backup or processing cycles of our service providers.

7. Your Choices and Rights

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

  • Access information associated with your account
  • Request correction of inaccurate data
  • Request deletion of your information
  • Withdraw consent for optional features such as cloud sync, directory participation, contact syncing, contact import, or weather access
  • Export certain trip or work records from the App

We aim to respond to privacy requests within a reasonable time, typically within 30 days where applicable.

8. Children's Privacy

Time Book is intended for adult railroad professionals and is not directed to children under 13. We do not knowingly collect personal information from children under 13.

9. Third-Party Services Used

  • Firebase Authentication
  • Firebase Firestore
  • Firebase Storage
  • Firebase Analytics
  • Firebase Crashlytics
  • Google Mobile Ads
  • Weather service providers used by the App
  • Apple App Store / StoreKit services for iOS purchases
  • Google Play billing and related Android platform services for Android purchases
  • Push notification services and mobile platform services, where enabled
  • Device backup or cloud backup services provided by the user’s platform, where applicable

These services operate under their own privacy terms and policies.

10. International Data Transfers

Your data may be processed and stored in the United States and other countries where our service providers operate. By using the App, you understand that your information may be transferred to jurisdictions that may have different data protection laws than your home jurisdiction.

11. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. When we do, we will update the “Last Updated” date above. The current version will be posted in the App and/or on our website.

12. Contact Us

If you have questions about this Privacy Policy, want to request deletion of your account or data, or need help with a privacy-related request:

Privacy/Data Requests: [email protected]
App Support: [email protected]
Business Address:
Primm Farms LLC
Barren Springs, VA, USA