Privacy Policy

Effective Date: March 2026

        Summary: The Campus Planner app stores all data locally on your device. We do not collect, transmit, or store personal information on external servers.
    

1. Purpose of Privacy Policy

H2M ("Company") operates the "Campus Planner" mobile application ("App"). This Privacy Policy explains how the Company collects, uses, and protects user information through the App.

By using the App, you consent to the collection and use of information in accordance with this Policy.

2. Information We Collect

2.1 Information You Provide

For efficient timetable management, the App collects the following information that you voluntarily provide:

Category	Items Collected	Purpose
Timetable Information	Timetable name, semester, start/end time, display days	Timetable creation and management
Subject Information	Subject name, professor name, classroom, subject color	Subject registration and timetable display
Period Information	Day of week, start/end period	Class time arrangement
To-Do Information	To-do title, due date, completion status	Per-subject task management
Memo Information	Memo text, attached photos	Per-subject notes and records

2.2 Automatically Collected Information

The App automatically records the following data:

Notification Settings: Pre-class notification time preferences
Display Settings: View mode, time label mode, widget visibility
To-Do Statistics: Completed/pending to-do counts per subject

3. Data Storage

        Local Storage Only: All personal and timetable data is stored only in the local database on your device. We do not transmit personal information to external servers.
    

Data remains on your device and under your control. Deleting the App will delete all locally stored data.

Photos attached to memos are copied to the app's internal storage and will be deleted when the app is uninstalled.

4. Third-Party Services

The App uses the following third-party services that may collect certain information:

4.1 Google AdMob

We use Google AdMob to display advertisements. AdMob may collect:

Advertising ID
Device information
IP address (for regional targeting)

For more information, see Google Privacy Policy.

4.2 Google Play Billing

We use Google Play Billing for premium purchases and in-app payments.

Important: The Company does not directly collect or store payment information such as credit card numbers or account information. All payment information is securely processed through Google Play, and the Company cannot access payment information.

5. Sharing with Third Parties

The Company does not sell, trade, or transfer your personal information to third parties. Timetable data is not shared with anyone.

The only exceptions are:

Third-party services mentioned above (for their specific purposes only)
When required by law

6. Your Rights

You have the following rights regarding your data:

Access: View all data within the App
Correction: Modify timetable, subject, to-do, and memo information at any time
Deletion: Delete specific data or remove all data by deleting the App
Opt-out of Ad Personalization: Opt out of personalized ads through device settings

7. Security Measures

The Company implements appropriate security measures to protect your data:

Data is stored locally on your device
Personal data is not transmitted to external servers
Local storage is protected by standard Android security features
Photo files are securely stored in the app's private internal storage

8. Children's Privacy

The App is not intended for children under 14 years of age. The Company does not knowingly collect personal information from children under 14. If you believe such information has been collected inadvertently, please contact us immediately.

9. Changes to Privacy Policy

The Company may update this Privacy Policy from time to time. Changes will be posted within the App. Continued use of the App after changes constitutes acceptance of the updated Policy.

10. Contact Information

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

Email: h2monsters@gmail.com

App: Campus Planner

Package: com.h2m.util.timetable

11. Purpose of Data Collection and Use

Collected personal information is used for the following purposes:

Creating timetables and displaying weekly/daily class schedules
Managing per-subject to-dos and memos
Providing pre-class notification services
Providing today's class widget
Improving the App and enhancing user experience
Providing advertisements (personalized ads through AdMob)

12. Data Retention Period

Personal information is retained while the App is installed on your device. All personal information is immediately destroyed when the App is deleted.

Retained Items	Retention Period	Destruction Method
Timetable info, subject info	App installation period	Automatic destruction on app deletion
To-do records, memo records	App installation period	Automatic destruction on app deletion
Attached photo files	App installation period	Automatic destruction on app deletion
Settings information	App installation period	Automatic destruction on app deletion

13. Data Processing Delegation

The Company delegates personal information processing as follows for smooth service provision:

Delegate	Delegated Tasks
Google LLC (AdMob)	Advertising service provision
Google LLC (Play Billing)	Payment processing (Company cannot access payment info)

14. International Transfer

The Company does not transfer your personal information overseas. However, third-party services (Google AdMob, Google Play Billing) may be processed according to their respective policies.