Privacy Policy

We collect:

• Usage Analytics: We collect anonymous usage statistics including number of queries and token usage
• User Identifiers: Basic user IDs for service functionality
• App Performance Data: Technical data to monitor app performance and errors
• Corrections (when logged in): Your input text and the corrected output, along with model, tone/politeness, correction type, timestamps, and association to your account

We DO NOT collect:

• Japanese text inputs when you are not logged in
• Personal information
• User content beyond the above when you are not logged in

We use data for:

• Service optimization and performance improvements
• Usage pattern analysis
• Cost optimization
• Technical troubleshooting
• Displaying your correction history when you are logged in

We do not:

• Use data for AI model training
• Sell user data
• Use data for marketing purposes beyond basic analytics
• Use your data for profiling, targeted advertising, or automated decision-making

We use the following third-party services:

• Sentry: For error tracking and performance monitoring
• RevenueCat: For subscription management
• Cloudflare Analytics: For usage analytics

These services may collect standard analytics data in accordance with their respective privacy policies.

• Data Location: All data is stored on servers in Japan
• Security Measures: We employ industry-standard SSL/HTTPS encryption and database security measures
• Retention: User IDs and basic analytics data are retained indefinitely for service functionality

You have the right to:

• Request access to your usage data
• Request deletion of your user data
• Export your data upon request
• Lodge complaints with relevant supervisory authorities

For EU Residents (GDPR):

• You have the right to access, correct, or delete your personal data
• You may withdraw consent at any time
• You have the right to data portability
• You may complain to your local data protection authority

For California Residents (CCPA):

• You have the right to know what personal information is collected
• You have the right to delete personal information
• You have the right to opt-out of the sale of personal information

Our service is not directed at children under 13. We do not knowingly collect information from children under 13.

We may update this Privacy Policy periodically. We will notify users of any material changes through the app or via email.