Privacy Policy for Calco
Effective Date: January 22, 2026
Last Updated: January 22, 2026
Introduction
Calco ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application Calco (the "App").
Information We Collect
Personal Information
We collect the following personal information:
Email Address: Used for account authentication and communication
Name: Used for personalizing your app experience
Profile Photo: Optional, for account customization
Health and Fitness Data
Weight and Height: For BMI calculations and health tracking
Nutrition Goals: Calorie, protein, carbs, and fat targets
Food Entries: Daily food logs with nutrition information
Workout History: Exercise sessions, reps, duration, and calories burned
Weight History: Historical weight entries for progress tracking
Dietary Preferences: Vegetarian, vegan, or other dietary restrictions
Food Allergies: Allergen information for safety warnings
Photos and Device Data
Photos: Food images captured via camera (stored locally on device, not uploaded to our servers)
Device Information: Device type, operating system version (for compatibility)
Usage Data
App Usage: Features used, screen views (via Firebase Analytics)
Crash Reports: Error logs for improving app stability
How We Use Your Information
We use your information to:
Provide App Functionality: Track nutrition, workouts, and health goals
Personalize Experience: Customize recommendations based on your preferences
Account Management: Authenticate users and manage subscriptions
Improve the App: Analyze usage patterns to enhance features
Send Notifications: Meal reminders and achievement notifications (if enabled)
Customer Support: Respond to inquiries and troubleshoot issues
Data Sharing and Third Parties
We share your data with the following third-party services:
Firebase (Google LLC)
Purpose: Authentication, database, analytics
Data Shared: Email, name, user profile, food entries, workout history
Privacy Policy: https://firebase.google.com/support/privacy
Location: United States (Google Cloud servers)
RevenueCat Inc.
Purpose: Subscription management for premium features
Data Shared: User ID, subscription status
Privacy Policy: https://www.revenuecat.com/privacy
Location: United States
Open Food Facts
Purpose: Nutrition data lookup (barcode scanning)
Data Shared: Product barcodes only (no personal data)
Privacy Policy: https://world.openfoodfacts.org/privacy
Location: France
We do NOT sell your personal data to third parties.
Data Storage and Security
Storage
Cloud Storage: Firebase Firestore (Google Cloud, encrypted at rest)
Local Storage: Device database for offline access
Photo Storage: Photos remain on your device only (never uploaded)
Security Measures
Encryption in Transit: All data transmitted via HTTPS (TLS 1.3)
Encryption at Rest: Firebase Firestore encryption
Authentication: Secure Firebase Authentication with OAuth 2.0
Access Control: Firestore security rules prevent unauthorized access
Code Protection: ProGuard obfuscation in production builds
User Rights
You have the right to:
Access Your Data: View all data we store about you
Update Your Data: Edit your profile, goals, and entries anytime
Delete Your Data: Request complete account deletion
Opt-Out: Disable notifications via app settings
Data Portability: Export your data in CSV format (premium feature)
How to Delete Your Data
Option 1: In-App
Go to Settings → Account
Tap "Delete Account"
Confirm deletion (irreversible)

Option 2: Email Request Email us at 
support@calcoapp.com with subject "Data Deletion Request" including your registered email address.We will delete your data within 30 days of your request.
Children's Privacy
Calco is not intended for users under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe we have collected data from a child, please contact us immediately.
Data Retention
Active Accounts: Data retained while your account is active
Inactive Accounts: Data retained for 2 years, then automatically deleted
Deleted Accounts: Data permanently deleted within 30 days
Crash Logs: Retained for 90 days maximum
Analytics Data: Aggregated, anonymized data retained indefinitely
International Data Transfers
Your data may be transferred to and stored on servers located in the United States (Google Cloud, RevenueCat). We ensure all transfers comply with applicable data protection laws including GDPR.
Your California Privacy Rights (CCPA)
If you are a California resident, you have additional rights:
Right to know what personal information is collected
Right to delete personal information
Right to opt-out of sale of personal information (we don't sell data)
Right to non-discrimination
GDPR Compliance (European Users)
If you are in the European Economic Area (EEA), you have rights under GDPR:
Right to access, rectify, or erase your data
Right to restrict or object to processing
Right to data portability
Right to withdraw consent
Right to lodge a complaint with supervisory authority
Legal Basis for Processing:
Contract performance (app functionality)
Consent (notifications, analytics)
Legitimate interests (app improvement, security)
Changes to This Privacy Policy
We may update this Privacy Policy periodically. We will notify you of significant changes via:
In-app notification
Email to your registered address
Continued use of the App after changes constitutes acceptance of the updated policy.
Contact Us
If you have questions about this Privacy Policy, please contact us:
Email: support@calcoapp.com
Developer: Rishu Sejwar
Mailing Address: Kanpur, Uttar Pradesh, India
Website: https://github.com/Rishusejwar
By using Calco, you consent to this Privacy Policy and agree to its terms.
Last Updated: January 22, 2026
Version: 1.0