Privacy Policy

Effective Date: 23rd September 2025
Last Updated: 03rd October 2025

1. Introduction

IMPULSE404 is a disruption app designed to break unhelpful loops through character based audio and interactive prompts. IMPULSE404 is not a medical, mental health, or weight loss app. It is for personal use only. This Privacy Policy explains how we collect, use, store, and protect your information when you use our mobile application ("App"). By using IMPULSE404, you agree to the collection and use of information in accordance with this policy. If you do not agree with our policies and practices, please do not use our App.

2. Information We Collect

2.1 Information You Provide Directly

• Mood Logs: Emotional state and mood tracking data that you voluntarily input
• Usage Patterns: How you interact with the App's features and interventions
• Account Information: Basic account details required for app functionality

2.2 Automatically Collected Information

• Analytics Data: Anonymous usage statistics and app interaction data collected through third-party analytics services to help us understand user behaviour and improve the app experience
• Crash Reports: Technical diagnostic information when the app experiences errors, collected through crash reporting services to help us identify and fix bugs
• App Usage Data: Information about how you use the App, including session duration and feature usage
• Device Information: Device type, operating system version, and app version
• Performance Data: Technical information to help us improve app performance and fix bugs

2.3 Information We Do NOT Collect

• We do not collect personal health information or medical data
• We do not collect or store email addresses or personal contact information
• We do not access your camera, microphone, or location without explicit permission
• We do not collect personally identifiable information – all analytics and crash data is anonymised

3. How We Use Your Information

We use the collected information for the following purposes:

• App Functionality: To provide core features including mood tracking and audio interventions
• Personalization: To customise your experience and improve intervention effectiveness
• App Improvement: To analyse anonymous usage patterns and enhance app performance
• Technical Support: To identify and resolve technical issues through crash reporting and diagnostics
• Customer Support: To respond to your inquiries and provide technical assistance
• Subscription Management: To process payments and manage your subscription status through RevenueCat

4. Data Storage and Security

4.1 Local Storage

• All personal data including mood logs and usage patterns are stored locally on your device
• Data is securely stored locally using Expo SecureStore with device-level encryption
• We cannot access your personal data stored on your device

4.2 Security Measures

• Industry-standard encryption for data transmission
• Secure local storage implementation
• Regular security assessments and updates
• Limited access to any data that may be processed

4.3 Data Retention

• Personal data remains on your device until you choose to delete it
• You have full control over your data retention period
• Account-related data may be retained for legitimate business purposes as required by law

5. Data Sharing and Third Parties

5.1 Third-Party Services

We share limited, anonymised data with the following third-party services:

Sentry (Error Tracking and Performance Monitoring)
Purpose: Identifying and fixing technical issues, bugs, and performance problems
Data Shared: Technical diagnostic information, error logs, device specifications, and performance metrics
No personal data is included in error reports
Privacy Policy: Sentry Privacy Policy

RevenueCat (Payment Processing)
Purpose: Subscription management and payment processing
Data Shared: Subscription status, purchase information, and anonymous user identifiers
Privacy Policy: RevenueCat Privacy Policy

5.2 Data Security

All third-party services we use:

• Are compliant with industry-standard data protection regulations
• Use encryption to protect data in transit
• Process only the minimum data necessary to provide their services
• Do not sell your personal information to third parties

5.3 Your Rights

You have the right to:

• Request deletion of your data from our third-party services
• Opt out of analytics and crash reporting (though this may limit app functionality)
• Contact us with questions about third-party data sharing at hello@impulse404.app

6. Your Rights and Choices

6.1 Data Control

• Access: You can access all your data directly within the App
• Export: You can export your data at any time through the App's settings
• Deletion: You can delete your data locally through the App or by uninstalling the App

6.2 Subscription Management

• Manage subscriptions through your device's app store settings
• Cancel subscriptions at any time without affecting your local data

6.3 Communication Preferences

• You can opt out of non-essential communications
• Critical security and service-related communications may still be sent

7. Children's Privacy

IMPULSE404 is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.

8. International Users

If you are using our App outside of the United States, please note that your information may be transferred to, stored, and processed in the United States where our servers are located and our central database is operated.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by:

• Posting the new Privacy Policy in the App
• Updating the "Last Updated" date at the top of this policy
• Providing in-app notifications for significant changes

Your continued use of the App after any changes indicates your acceptance of the updated Privacy Policy.

10. Data Breach Notification

In the unlikely event of a data breach that affects your personal information, we will:

• Investigate and contain the breach promptly
• Notify affected users within 72 hours when feasible
• Provide clear information about what happened and steps being taken
• Offer guidance on protective measures you can take

11. Contact Information

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

Primary Contact (User Support): hello@impulse404.app
Business Contact: sophie@sophiesherwin.com
Mailing Address: Sophie Sherwin / IMPULSE404, 4th Floor, Silverstream House, 45 Fitzroy St, Fitzrovia, London W1T 6EB, United Kingdom

For questions specifically related to your subscription, you may also contact RevenueCat through their support channels.

12. App Store Compliance

This Privacy Policy complies with:

• Google Play Developer Policy requirements
• Apple App Store Review Guidelines
• General Data Protection Regulation (GDPR) principles
• California Consumer Privacy Act (CCPA) requirements

13. Definitions

• "App" refers to the IMPULSE404 mobile application
• "We," "us," "our" refers to the developers and operators of IMPULSE404
• "You," "your" refers to the user of the App
• "Personal Information" means information that can be used to identify you directly or indirectly

This Privacy Policy is effective as of the date listed above and applies to all information collected by IMPULSE404. Please review this policy periodically for any updates or changes.