Back to Ruby

Privacy Policy

Last updated: February 12, 2026

Ruby ("we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application and related services. By using Ruby, you agree to the collection and use of information in accordance with this policy.

1. Information We Collect

We collect the following categories of information to provide and improve our services:

Account Information

When you create an account, we collect your name, email address, and authentication credentials via Apple Sign-In. We use Apple's secure authentication system and do not store your Apple ID password.

Voice Data

Ruby uses on-device speech-to-text processing powered by Apple's Speech Recognition framework. Raw audio is never transmitted to our servers. Only the resulting text transcription is sent to Ruby's servers for processing. All voice recognition occurs locally on your device.

Conversation History

Your text and voice-transcribed conversations with Ruby are stored to provide continuity and context across sessions. You can view and delete your conversation history at any time.

Memory & Learning Data

Ruby learns your preferences, routines, relationships, and personal facts from your conversations to provide a personalized experience. This data is stored in our encrypted database and is fully editable and deletable from Settings > Memory within the app.

Device Information

We collect limited device information including your Identifier for Vendor (IDFV), operating system version, and device model. We do not collect your Identifier for Advertisers (IDFA).

Usage Analytics

We use Expo Insights to collect anonymized, aggregated usage analytics to understand how the app is used and to improve our services. This data cannot be used to identify individual users.

Payment Information

Subscriptions are processed primarily through Apple StoreKit for iOS in-app purchases, with Stripe available as a web fallback. RevenueCat is used for subscription verification and management. We never store your credit card numbers or full payment details. Payment processing is handled entirely by Apple, Stripe, and RevenueCat.

Push Notification Preferences

If you enable push notifications, we store your Expo push token along with your notification preferences including frequency, tone, and category settings to deliver personalized notifications.

2. How We Use Your Information

We use the information we collect for the following purposes:

3. AI Data Processing

Ruby uses Anthropic's Claude API to generate AI responses. Understanding how your data flows through this process is important:

Data Flow

Voice input → On-device speech-to-text → Text sent to Ruby server → Forwarded to Anthropic Claude API → Response returned to you.

What IS Sent to Anthropic

What is NOT Sent to Anthropic

Anthropic does NOT use data submitted via their API to train their AI models. We practice data minimization, sending only the information necessary to generate helpful responses.

For more information, see Anthropic's privacy policy at anthropic.com/privacy.

4. Memory & Learning System

Ruby's memory system is designed to provide a personalized experience while keeping you in full control of your data.

5. Third-Party Services

Ruby integrates with the following third-party services:

6. Push Notifications

Ruby offers optional push notifications to enhance your experience:

Types of Notifications

Data Used for Notifications

Notifications are personalized using your preferences, Expo push token, goals, and routines. AI coaching notifications are generated by Anthropic Claude using your relevant context.

Controls

Push notifications are off by default. You can enable or disable all notifications in iOS Settings, and customize notification types, frequency, and tone within the Ruby app. Disabling notifications does not affect any other app features or functionality.

7. Data Storage & Security

We implement comprehensive security measures to protect your data:

While we strive to use commercially acceptable means to protect your personal information, no method of transmission over the Internet or method of electronic storage is 100% secure. We cannot guarantee absolute security.

8. Data Retention

We retain your data according to the following schedule:

9. Your Privacy Rights

All Users

Regardless of your location, you have the right to:

California Residents (CCPA/CPRA)

If you are a California resident, you have additional rights under the California Consumer Privacy Act and the California Privacy Rights Act:

European Union Residents (GDPR)

If you are located in the European Economic Area, you have rights under the General Data Protection Regulation:

United Kingdom Residents (UK GDPR)

If you are located in the United Kingdom, you have equivalent rights under the UK General Data Protection Regulation, including all rights described in the GDPR section above.

How to Exercise Your Rights

You can exercise your privacy rights by navigating to Settings > Data & Privacy within the app, or by contacting us at privacy@luna-utk.com.

We will respond to all verified requests within 30 days. Complex requests may take up to 45 days, in which case we will notify you of the extension. Identity verification is required to process data requests to protect your security.

10. Children's Privacy

Ruby is not intended for use by children.

If you believe that a child has provided us with personal information, please contact us immediately at privacy@luna-utk.com and we will take steps to delete such information.

11. International Data Transfers

Ruby is based in the United States. If you access our services from outside the United States, your data will be transferred to and processed in the United States.

For users in the European Economic Area (EEA), United Kingdom, and Switzerland, we ensure appropriate safeguards for international data transfers through:

12. Cookies, Tracking & Apple Privacy

Ruby is a native mobile application and does not use browser cookies.

13. Auto-Execute & Device Actions

Ruby can perform actions on your device based on your voice or text commands:

14. Changes to This Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements.

Your continued use of Ruby after changes are posted constitutes your acceptance of the updated Privacy Policy. Previous versions of this policy are available upon request.

15. Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us:

Ruby, Privacy Team
San Francisco, CA

Response Times