Privacy Policy
🔒 Our Privacy Promise
Your reading insights and personal reflections never leave your device. We built Anvil with privacy as a core principle, not an afterthought.
1. Introduction
Welcome to Anvil ("we," "our," or "us"). This Privacy Policy explains how we collect, use, and protect your information when you use our mobile application and website.
2. Information We Collect
2.1 Data Stored Locally (On Your Device Only)
The following data is stored exclusively on your device and is never transmitted to our servers:
- Reading insights and reflections (Ingots)
- Reading session history
- Categories you create
- Habit stacking reminders
- Streak and statistics data
- App preferences and settings
2.2 Data We May Collect
We collect limited data for app functionality and improvement:
- Authentication Data: If you sign in with Google, we receive your email address and basic profile information from Google to identify your account.
- Anonymous Analytics: We use PostHog to collect anonymous usage data such as screen views, feature usage, and app performance. This data cannot be linked to your identity or your content.
- Crash Reports: Firebase Crashlytics collects anonymous crash reports to help us fix bugs and improve stability.
- Beta Signup: If you sign up for our beta program, we collect your email address to notify you about testing opportunities.
3. How We Use Your Information
- To provide and improve the Anvil app
- To analyze anonymous usage patterns and improve user experience
- To fix bugs and improve app stability
- To communicate with you about beta testing (if you've signed up)
4. Data Sharing
We do not sell, rent, or share your personal data with third parties. We use the following service providers:
- Firebase (Google): Authentication and crash reporting
- PostHog: Anonymous analytics
5. Data Security
Your reading content is protected by being stored only on your device. We use industry-standard security measures for any data that is transmitted to our services.
6. Your Rights
You have the right to:
- Export your data as a PDF at any time
- Delete all your local data by clearing app data or uninstalling
- Request deletion of your beta signup email
- Opt out of analytics (by not using the app)
7. Children's Privacy
Anvil is not intended for children under 13 years of age. We do not knowingly collect personal information from children.
8. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any significant changes through the app or by email (if you've provided one).
9. Contact Us
If you have any questions about this Privacy Policy, please contact us at:
Email: privacy@anvil-app.com
💡 Key Takeaway
Your thoughts are yours alone. Anvil is designed so that your reading insights never touch our servers. We can't read your reflections because we never receive them.