

Nansen Lab
Smart Spray Privacy Policy
Last updated: April 2, 2026
Smart Spray ("we", "our", "the app") is developed by Nansen Lab. This privacy policy explains how we collect, use, and protect your information when you use our mobile application.
Information We Collect:
- Account Information: When you register, we collect your name, email address, and password. Your password is managed securely through Firebase Authentication and is not stored by us in plain text.
-Location Data: The app accesses your device's GPS location to display maps associated with your spray predictions. Location data is stored only when you save a prediction.
- Camera and Photos: The app uses your camera to photograph spray cards for analysis. Photos are processed on your device and may be uploaded to our cloud storage when you save a card.
- Spray Data: Predictions, spray card analyses, and related data you create within the app are stored in our cloud database under your account.
How We Use Your Information:
We use your information solely to provide the app's functionality:
- To authenticate your identity and maintain your account - To save and retrieve your spray predictions and card analyses - To display location data on maps for your predictions We do not sell, share, or disclose your personal information to third parties.
Data Storage:
Your data is stored using Google Firebase services (Authentication, Realtime Database, and Cloud Storage), hosted in the United States. Google's privacy practices are governed by their own privacy policy.
Data Deletion:
You can delete your account and all associated data at any time from within the app. When you delete your account, your profile information, predictions, cards, and uploaded images are permanently removed from our systems.
Children's Privacy:
Smart Spray is not intended for children under 13. We do not knowingly collect personal information from children under 13.
Changes to This Policy:
We may update this privacy policy from time to time. Any changes will be reflected with an updated date at the top of this policy.