Privacy Policy
Last updated: January 2026
ChatCal (“we”, “our”, or “us”) is designed with privacy in mind. This Privacy Policy explains how information is handled when you use the ChatCal mobile application and website.
1. Overview
ChatCal is a local-first application.
Your food logs and diary entries are stored on your device and are not stored on our servers. ChatCal does not require account creation, and we do not create or maintain user profiles.
2. Information We Do Not Collect
ChatCal does not:
Require sign-up or login
Collect your name, email address, phone number, or physical address
Store your food diary or logs on our servers
Use advertising identifiers or tracking technologies
Sell, rent, or share personal data with advertisers or data brokers
3. Information Used to Provide App Features
To provide core app functionality, ChatCal may temporarily process certain user-provided inputs, including:
Text descriptions of meals
Voice input
Photos of food
These inputs are used solely to analyze food and activity information and to return results to you. ChatCal does not retain these inputs after processing.
4. Local Data Storage
Food entries, daily summaries, and diary information are stored locally on your device.
This means:
Your data remains under your control
Uninstalling the app removes all locally stored data
We cannot view, access, or recover your personal logs
5. Third-Party Services
ChatCal may use trusted third-party services to enable specific features such as language understanding, image recognition, or voice transcription.
These services process data only as necessary to provide app functionality and are not permitted to use the data for advertising, tracking, or any other purpose.
6. Analytics and App Performance
ChatCal does not collect analytics, tracking data, or diagnostic data.
We do not monitor individual usage patterns, track user behavior, or collect performance metrics that could identify a user.
7. Your Choices
You may:
Stop using ChatCal at any time
Delete the app to remove all locally stored data
If you have questions about data handling, you may contact us using the information below.
8. Children’s Privacy
ChatCal is not intended for children under the age of 13. We do not knowingly collect personal data from children.
9. Changes to This Policy
This Privacy Policy may be updated from time to time. Any changes will be reflected on this page with an updated date.
10. Contact
If you have any questions about this Privacy Policy, please contact us at: