Privacy Policy for Billig
Last Updated: January 18, 2026
Welcome to Billig ("we", "us", or "our"). This Privacy Policy explains how we
collect, use, disclose, and safeguard your information when you use our mobile application (the
"App"). If you do not agree with this policy, please do not use the App.
1. Overview
Billig provides receipt capture, habit tracking, and AI-powered insights. We respect your privacy and
handle your data responsibly in accordance with the App Store Review Guidelines,
Google Play Policies, and the GDPR.
2. Information We Collect
a. Information You Provide
- Receipt images and data captured using your device camera.
- Optional account details (email, display name, OAuth login).
- Text inputs such as chat messages or notes entered in the app.
b. Automatically Collected
- Device model, OS version, and screen interactions.
- App activity logs and crash diagnostics.
- Anonymous usage analytics (via PostHog).
c. From Third Parties
- OAuth login data via Google Sign-In or Apple Sign-In.
- AI data processed by external APIs (Google Gemini, OpenAI,
Mistral AI) for analysis and content generation.
3. Third-Party Services
We use the following third-party services to operate the App:
| Service |
Purpose |
Data Shared |
| PostHog (EU) |
Product analytics |
Anonymous events, device type |
| Cloudflare |
Backend & storage |
Encrypted requests, user data |
| Google Gemini |
AI receipt parsing |
Receipt images, chat messages |
| OpenAI |
AI fallback |
Receipt images |
| Mistral AI |
AI optional |
Receipt images |
| Google/Apple Sign-In |
Authentication |
Email, name |
All third-party services are GDPR-compliant and use encrypted connections.
4. How We Use Your Information
- Provide receipt scanning, analysis, and insights.
- Secure your account and device authentication.
- Improve app performance and detect crashes.
- Send push notifications about important updates.
- Analyze product usage to improve features.
5. Data Storage and Transfer
- Data is securely stored in Cloudflare D1 Database and R2
Buckets.
- All transmissions use HTTPS/TLS encryption.
- Analytics data is processed by PostHog in the EU.
6. Retention and Deletion
- Delete your account under Settings → Privacy → Delete My Data.
- Upon deletion, personal identifiers are erased.
- Analytics data is retained for 90 days then auto-deleted.
7. Your Rights
- Access, correct, or delete your data.
- Opt out of analytics tracking.
- Request data export in a portable format.
- Contact us at privacy@getbillig.app.
8. Security
- Credentials stored using device keychain.
- All channels encrypted (TLS 1.3).
- Production data access restricted.
9. Children's Privacy
This app is not directed to children under 13.
10. Changes
Updates will be posted at getbillig.app/privacy.
11. Contact
Billig Team
📧 privacy@getbillig.app
🌐 getbillig.app