Privacy Policy

App Name: Calendar 2027
Last Updated: October 26, 2026

1. Introduction

Welcome to Calendar 2027 (“we,” “our,” or “us”). We respect your privacy and are committed to protecting your personal information. This Privacy Policy explains what information the App processes, how it is used, and how it is protected.

Calendar 2027 follows a Local-First design. Events you create, reminders, settings, and calendar information read from your phone are stored and processed on your device. We do not operate a server that stores, reads, or sells your events or calendar data. Calendar 2027 does not require an account or sign-in.

Limited technical, usage, crash-reporting, performance, advertising, and installation-record data may be processed by the third-party service providers described in Sections 2.2 and 5.

2. Information We Collect

2.1 Data Processed Only on Your Device

To provide calendar and planner functionality, Calendar 2027 processes the following information locally on your device:

Your Events: Titles, dates, times, repeat rules, reminders, colors, locations, and notes for events you create in the App. These are saved in the App’s private local database.
Phone Calendar Events (Read Only): With your permission, the App reads events, holidays, and festivals from calendars already on your phone, such as Google Calendar, to display them in the App and its widgets. The App does not modify or delete events in your phone’s calendars.
App Settings: Your language, theme, accent color, first day of the week, time format, default reminder, and feature switches.
Call State (Optional After Call Feature): If you enable the After Call feature, the App detects when a phone call starts and ends so it can display the after-call screen. The App does not record calls or read or store your call history. If your phone provides the caller's number, it is displayed only on the after-call screen. It is kept on your device only until the call ends, then removed, and it is never sent to us.

2.2 Automatically Collected Data (Not Your Events)

Calendar 2027 may process limited technical and usage information to improve app performance, stability, and advertising.

Usage Statistics (Firebase Analytics): App usage events, such as when the after-call screen is shown or a phone call starts, without phone numbers or contact details. This may also include the app version, device model, operating system version, country, and an app instance identifier. Event titles, notes, locations, phone numbers, and contact names are not included in these analytics events.
Crash Reports (Firebase Crashlytics): Technical crash logs, device model, operating system version, and the App’s state at the time of a crash, used to identify and fix bugs.
Performance Data (Firebase Performance Monitoring): App startup time and screen-rendering performance.
App Configuration (Firebase Remote Config): Settings downloaded from our Firebase project, such as whether certain features are enabled. Firebase uses an app instance identifier for this functionality.
Advertising Data: Ad impressions, ad revenue information, ad format, ad placement, and ad network details used to measure advertising performance.
One-Time Install Record: When you open Calendar 2027 for the first time after installation, the App sends a one-time installation record to our server. This record contains a randomly generated install ID, a one-way hashed device key from which the original device ID cannot be recovered, the platform (Android), the App’s package name, and your time zone. It does not contain your name, events, contacts, phone number, or location, and it is sent only once.

We do not directly collect your name, email address, contacts, precise location, photos, or files through the App’s described functionality. Third-party service providers may independently process information as explained in Section 5.

3. How We Use Your Data

We use information for the following purposes:

Calendar and Planning: To create, edit, display, search, and organize your events and show events from your phone’s calendars, holidays, and festivals.
Reminders: To schedule event reminder notifications with Snooze and Done options.
Home Screen Widgets: To display today’s events, your agenda, and the month on your home screen.
Quick Actions Notification: To provide an optional notification with shortcuts to Today, New Event, Search, and Settings.
After Call Feature (Optional): To display a screen after a phone call with quick actions such as Message, Call, WhatsApp, and Notes, along with calendar shortcuts.
Sharing: To share an event with other apps when you choose to do so.
App Improvement: To understand feature usage, identify and fix crashes, improve performance and stability, and remotely configure certain features.
Advertising: To display ads that help keep Calendar 2027 free and measure their performance.

4. Permissions Required and Why We Need Them

Calendar 2027 may request the following Android permissions to provide its features:

READ_CALENDAR: Reads events, holidays, and festivals from your phone’s calendars. The App uses this information in read-only mode.
POST_NOTIFICATIONS (Android 13 and Later): Displays event reminders, the optional Quick Actions notification, and the After Call feature notification.
SCHEDULE_EXACT_ALARM / USE_EXACT_ALARM: Schedules event reminders for the times you select, subject to Android’s permission and system requirements.
RECEIVE_BOOT_COMPLETED: Helps restore reminders, the Quick Actions notification, the After Call feature, and background app settings updates after your phone restarts.
READ_PHONE_STATE (Optional): Supports the After Call feature by detecting when a phone call starts and ends. The App does not record calls or read your call history.
SYSTEM_ALERT_WINDOW — Display Over Other Apps (Optional): Allows the After Call screen to appear over other apps when a call ends.
FOREGROUND_SERVICE / FOREGROUND_SERVICE_SPECIAL_USE (Optional): Supports the After Call feature while enabled by allowing the relevant foreground service to detect when a call ends.
INTERNET and ACCESS_NETWORK_STATE: Support advertising, usage statistics, crash reports, performance data, app configuration, and the one-time installation record.
AD_ID (Advertising ID): Supports advertising and ad measurement through Google AdMob and Firebase Analytics, as described in Section 5.

You can use the App without the optional After Call permissions, although the After Call feature will require its necessary permissions. You can review or revoke permissions through your phone’s Settings.

5. Third-Party Services and Advertising

To keep Calendar 2027 free and improve its functionality, we use the following third-party services. Each provider processes information according to its own privacy policy and applicable settings.

Google AdMob: May process device identifiers, including the Google Advertising ID (GAID), device brand and model, operating system version, approximate location at country or city level, network connection status, and ad interaction data to display and measure ads and help prevent fraud.
Google Firebase: Firebase Analytics, Crashlytics, Performance Monitoring, and Remote Config process usage statistics, crash reports, performance data, and app configuration as described in Section 2.2.
Our Install Tracking Server: Receives the one-time installation record described in Section 2.2.
Other Apps You Open: When you use actions such as Message, Call, WhatsApp, Notes, Open in Maps, or Share, the App opens the application you select. Calendar 2027 does not send your data to those apps except for the text you choose to share or the phone number you choose to call, message, or add to a note.

Third-Party Privacy Policies

Google Privacy Policy: https://policies.google.com/privacy
AdMob and Google Ads: https://policies.google.com/technologies/ads
Firebase Privacy Information: https://firebase.google.com/support/privacy
Meta Privacy Policy: https://www.facebook.com/privacy/policy/

You can reset your Advertising ID or opt out of personalized ads through your Android device settings. Available options may vary by Android version and device.

Typical settings path: Settings → Google → Ads, or Settings → Privacy → Ads.

6. Data Storage, Retention, and Security

Local Storage: Your events, reminders, and settings are stored in the App’s private storage on your device, which other apps cannot access through ordinary app access.
No Cloud Storage of Your Events: We do not upload, back up, or retain copies of your events or calendar data on our servers.
Data Retention: Your local data remains on your device until you delete it or uninstall the App. Usage statistics, crash reports, performance data, and advertising data are retained by the relevant providers according to their respective retention policies.
Security: Data transmitted to Firebase, advertising partners, and our installation tracking server is sent over encrypted connections (HTTPS).

Although we take reasonable steps to protect information handled by the App, no method of electronic transmission or storage can be guaranteed to be completely secure.

7. User Control and Data Deletion

You have the following controls over your information and use of the App:

Event Control: You can edit or delete events you create at any time.
Feature Control: You can turn off reminders and the Quick Actions notification in the App's Settings. To stop the After Call screen, turn off the Phone or Display over other apps permission for Calendar 2027 in your phone's Settings.
Delete Local App Data: You can use “Clear data” in your phone’s App settings or uninstall Calendar 2027 to remove locally stored App data.
Permission Control: You can review or revoke App permissions through your phone’s Settings.
Advertising Control: You can reset your Advertising ID or opt out of personalized ads through your device settings, where those options are available. Where ads consent applies, you can also change it in the App's Settings → Ads privacy.

Deleting App data does not delete events stored in your phone’s own calendars, such as Google Calendar, because the App accesses those events in read-only mode. It also does not delete information already processed or retained by third-party service providers, which is subject to their respective retention and deletion policies.

8. Children’s Privacy

Calendar 2027 is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13 through the App’s described functionality.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be published on this page with a revised “Last Updated” date. We encourage you to review this policy periodically.

10. Contact Us

If you have any questions, suggestions, or concerns about this Privacy Policy, please contact us:

Email: nainamkoshiya@gmail.com

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