Privacy Policy

1. Introduction

SIGMA ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our reading progress tracking application.

By using SIGMA, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

2.1 Information You Provide to Us

When you register and use SIGMA, we collect the following personal information:

• Full Name: Used to identify you within the app
• NIM (Student Identification Number): Used for account verification and identification
• Study Program: Used to organize and display reading progress by academic program
• Campus: Used to organize users by campus location
• Class: Used to group and display reading progress by class

2.2 Information from Third-Party Services

• Profile Picture: We collect your profile picture through Google OAuth authentication. This image is used to display your identity on leaderboards and admin pages.
• Email Address: Collected through Google Sign-In for account authentication and communication purposes.

2.3 Reading Progress Data

• Reading Progress Information: We collect and store data about your reading activities, including books read, pages completed, and progress statistics.
• Timestamps: We record when you update your reading progress.

2.4 Automatically Collected Information

• Device Information: We may collect information about your device, including device type and operating system.
• Usage Data: We may collect information about how you interact with the app.

3. How We Use Your Information

We use the collected information for the following purposes:

• Authentication: To verify your identity using Google OAuth
• Display Progress: To show your reading progress to yourself and other users on leaderboards
• Academic Organization: To organize users by campus, study program, and class
• Account Management: To manage your account and provide customer support
• App Improvement: To analyze usage patterns and improve our services
• Communication: To send you important updates about the app (if necessary)

4. How We Share Your Information

4.1 With Other Users

The following information is visible to other SIGMA users:

• Your profile picture
• Your full name
• Your reading progress statistics
• Your ranking on leaderboards

4.2 With Administrators

Administrators have access to:

• All information provided during user onboarding (Full Name, NIM, Study Program, Campus, Class)
• Your profile picture
• Your reading progress data
• Your account activity

4.3 We Do Not Sell Your Data

We do not sell, trade, or rent your personal information to third parties.

4.4 Legal Requirements

We may disclose your information if required to do so by law or in response to valid requests by public authorities.

5. Google OAuth and API Scopes

SIGMA uses Google OAuth for authentication. We request the following permissions:

• Basic Profile Information: To access your name and email address
• Profile Picture: To display your image on leaderboards and admin pages

You can revoke SIGMA's access to your Google account at any time by visiting your Google Account permissions page.

6. Data Security

We implement appropriate technical and organizational security measures to protect your personal information, including:

• Secure data transmission using encryption (HTTPS/TLS)
• Access controls limiting who can view your data
• Regular security reviews and updates
• Secure authentication through Google OAuth

However, please note that no method of transmission over the internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

7. Your Rights and Choices

You have the following rights regarding your personal information:

• Access: You can request access to the personal information we hold about you
• Correction: You can update your onboarding information by contacting us
• Deletion: You can request deletion of your account and associated data
• Revoke OAuth Access: You can revoke SIGMA's access to your Google profile at any time through your Google Account settings
• Opt-out of Leaderboard: You can request to be hidden from public leaderboards by contacting us

To exercise any of these rights, please contact us using the information provided in Section 11.

8. Data Retention

We retain your personal information for as long as your account is active or as needed to provide you with our services. If you request account deletion, we will remove your personal information within 30 days, except where we are required to retain it for legal purposes.

9. Third-Party Services

SIGMA uses the following third-party services:

• Google OAuth: For authentication and profile information. Please review Google's Privacy Policy

We are not responsible for the privacy practices of these third-party services.

10. Children's Privacy

SIGMA is intended for use by students and does not have a minimum age restriction for student users. However, we do not knowingly collect information from children under 13 without parental consent as required by applicable laws. If you believe we have collected information from a child under 13 without proper consent, please contact us immediately.

11. International Data Transfers

Your information may be transferred to and maintained on servers located outside of your country, where data protection laws may differ. By using SIGMA, you consent to such transfers.

12. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. We will notify you of any material changes by:

• Posting the new Privacy Policy on this page
• Updating the "Last Updated" date at the top of this policy
• Sending an email notification (if applicable)

We encourage you to review this Privacy Policy periodically for any changes. Your continued use of SIGMA after any modifications indicates your acceptance of the updated policy.

13. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us at:

• Email: info@pure-tco.com
• Address: GREEN LAKE CITY., CIPONDOH, TANGERANG, 15147, INDONESIA
• Phone: 0878-7719-8886

Developer Information

• App Name: SIGMA
• Developer: ryusu.id
• Purpose: Reading progress tracking and leaderboard application for students

Summary of Key Points

By using SIGMA, you acknowledge that you have read and understood this Privacy Policy.