# Privacy Policy
Last Updated: March 8, 2026
This Privacy Policy describes Our policies and procedures on the collection, use, and disclosure of Your information when You use the mobile application (the "Service") and tells You about Your privacy rights and how the law protects You.
By using the Service, You agree to the collection and use of information in accordance with this Privacy Policy.
## Interpretation and Definitions
- Application means the software program provided by the Company.
- Company (referred to as either "the Company", "We", "Us" or "Our" in this Agreement) refers to CalSync.
- You means the individual accessing or using the Service.
- Device means any device that can access the Service such as a cellphone or a digital tablet.
## Information We Collect and Use
### Calendar Data
The core functionality of the Application is to synchronize calendar events between different calendar accounts on Your Device. To provide this Service, the Application requires permission to access the calendar data on Your Device.
- What we access: We access your calendar events, including titles, start and end times, locations, notes, and attendees.
- How we use it: This information is read from a source calendar you select and written to a destination calendar you select, solely on your Device.
- Storage: We do not store, copy, or transmit your calendar data to our own servers or any third-party servers. All processing of your calendar data happens locally on your Device.
### Information Collected by Third-Party Services
We use third-party services in our Application to provide and improve the Service. These third parties have their own privacy policies addressing how they use such information.
1. Google AdMob (Advertisements)
The free version of our Application uses Google AdMob to display advertisements. AdMob may collect and use personal data to provide personalized ads. This can include:
- Device identifiers (such as the Advertising ID)
- IP Address and approximate location
- Usage data and ad interaction information
For more information on how Google uses this data, please review Google's Privacy & Terms: [https://policies.google.com/technologies/ads](https://policies.google.com/technologies/ads)
2. RevenueCat (In-App Purchases & Analytics)
We use RevenueCat to manage in-app subscriptions and analyze usage patterns to improve our Service. RevenueCat may collect:
- Anonymized User IDs generated by their service
- Purchase history and subscription status within the Application
- App usage data (e.g., when the app is opened, features used)
- Device information (e.g., OS version, device model)
You can review RevenueCat's Privacy Policy here: [https://www.revenuecat.com/privacy](https://www.revenuecat.com/privacy)
## In-App Purchases
If You choose to subscribe to the "Pro" version of our Service, the payment will be processed by the respective app store (Apple App Store or Google Play Store). We do not collect or store any of your payment information, such as credit card details. This information is managed directly by the platform provider.
## Security of Your Data
The security of Your data is important to Us. While your calendar data is only processed locally on your device, please remember that no method of transmission over the Internet or method of electronic storage is 100% secure.
## Children's Privacy
Our Service does not address anyone under the age of 13. We do not knowingly collect personally identifiable information from anyone under the age of 13.
## Changes to this Privacy Policy
We may update Our Privacy Policy from time to time. We will notify You of any changes by posting the new Privacy Policy within the Application.
You are advised to review this Privacy Policy periodically for any changes. Changes to this Privacy Policy are effective when they are posted on this page.
## Contact Us
If you have any questions about this Privacy Policy, You can contact us:
- By email: support@calendarthis.app