Privacy Policy

Last updated: 23 September 2026

This Privacy Policy explains how Butcen (“we”, “us”) processes personal data when you use butcen.com and the Android app. By using the service you acknowledge this policy.

1. Controller

2. Data we process

Account

  • Email address
  • Display name (optional)
  • Password (hashed only — never stored as plaintext)
  • Session / authentication tokens

Financial records you enter

  • Income and expense transactions
  • Accounts, budgets, recurring rules
  • Assets, cards, loans and ledger entries
  • Reminder preferences

Technical data

  • IP address, browser/device info, access and error logs
  • Cookies as described in the Cookie Policy

3. Purposes

  • Account creation, authentication and session management
  • Syncing your finance data across devices
  • Budgets, reports and reminders
  • Security (rate limits, access control)
  • Legal obligations and support

4. Sharing

We do not sell your financial data. Transfers may occur only to hosting/infrastructure providers as needed to run the service, or when required by law.

5. Retention

Data is kept while your account is active. After deletion requests, data is removed or anonymized within a reasonable time except where law requires retention.

6. Security

HTTPS, hashed passwords, access controls and optional on-device encryption for sensitive fields. See Data Security.

7. Your rights

Depending on applicable law you may request access, correction, deletion or information about processing. Email coskunuygun52@gmail.com with subject “Privacy request”.

Turkish version: Gizlilik Politikası