Last Updated: June 17, 2025

This Privacy Policy explains how Flush ("we", "us", "our") collects, uses, shares, and protects your information when you use our app and services.

1. What We Collect

We collect the following types of information when you use Flush:

a. Stool Image Data

• When you upload a photo of your stool for analysis, we process that image using artificial intelligence to provide a poop score and stool classification.

• We do not store your images unless explicitly stated and approved.

b. Usage Data

• Actions you take in the app (e.g., frequency of logs, score averages, trends).

• Device information (e.g., model, OS version, crash logs).

• Analytics (e.g., how often you use features).

c. Optional Health & Lifestyle Data

During onboarding or through the app, we may collect:

• Your water intake, fiber intake, diet habits, and poop-related questions.

• This is used solely to enhance your gut health insights.

d. Account Information (Optional)

If you choose to create an account:

• Name (optional)

• Email address (if used for login or backups)

2. How We Use Your Information

We use your data to:

• Analyze and return your poop score and gut health insights.

• Generate trends and personalized digestion scores over time.

• Improve our AI model accuracy (without storing raw images).

• Send occasional tips or updates (if enabled).

3. What We Don’t Do

We do not:

• Sell your data to advertisers.

• Store your stool images permanently.

• Use your data for medical diagnosis or treatment.

4. Who We Share It With

We may share anonymized, aggregated data (not tied to you) for:

• Improving our AI models

• Academic or product research

We may use third-party services for:

• Image processing

• Crash analytics and performance monitoring

• Cloud hosting and storage

All third-party providers comply with strong data privacy standards.

5. Data Retention

• Stool images are temporarily processed and then deleted, unless you choose to save your scan history.

• Other data (e.g., scores, trends) may be stored securely on your device or our servers for performance and analytics.

6. How We Protect Your Data

We implement the following safeguards:

• End-to-end encrypted API calls

• No permanent storage of image files without consent

• Role-based access controls for developers

• TLS/SSL encrypted communication

7. Legal Disclaimer

Flush is not a medical app. The results and insights provided are for informational and entertainment purposes only. Always consult a qualified healthcare provider for medical questions.