Privacy Policy

Last Updated: January 1, 2026

Welcome to Critical Choice (formerly known as "Todo 4Q"). This privacy policy explains how we collect, use, store, and protect your personal information when you use our mobile application.

By using Critical Choice, you agree to the collection and use of information in accordance with this policy. If you do not agree with this policy, please do not use our app.

1. Information We Collect

1.1 Personal Information You Provide

When you create an account or use our app, we collect the following information:

1.2 Authentication Information

We support multiple sign-in methods:

1.3 Task and Project Data

For Local Projects: The following data is stored locally on your device only:

For Cloud/Team Projects (Premium Feature): If you create or join team projects, the following data is stored on Firebase Firestore:

Important: Local project data remains only on your device. Cloud/team project data is synchronized in real-time across all team members' devices via Firebase. Local data will be lost if you uninstall the app without backing up.

1.4 Subscription and Payment Data

If you purchase a premium subscription:

Note: All payment processing is handled by Apple or Google. We do not have access to your payment card information.

1.5 Usage Information

We automatically collect certain information about your device and how you use the app:

1.6 Google Calendar Data (Optional)

If you choose to enable Google Calendar integration:

1.7 Voice Input Data (Optional)

If you use the voice input feature to create tasks:

2. How We Use Your Information

We use the collected information for the following purposes:

2.1 To Provide App Services

2.2 To Improve the App

2.3 To Communicate with You

2.4 For Security and Fraud Prevention

3. Data Storage and Security

3.1 Where Your Data is Stored

Your data is stored in multiple locations depending on the features you use:

All cloud data is stored on Firebase servers (Google Cloud Platform) located in secure data centers. Google Firebase complies with industry-standard security practices and certifications including SOC 2, ISO 27001, and GDPR.

Important: Local project data is not backed up to the cloud. Only team/cloud projects are synchronized. We recommend backing up your device regularly to prevent loss of local data.

3.2 How We Protect Your Data

Important: While we implement industry-standard security measures, no method of transmission over the internet or electronic storage is 100% secure. We cannot guarantee absolute security of your data.

4. Third-Party Services

We use the following third-party services that may collect information about you:

4.1 Firebase Authentication & Firestore (Google Cloud Platform)

4.2 Google Sign-In

4.3 Apple Sign-In

4.4 Google Calendar API (Optional)

4.5 Google Calendar API - Limited Use Disclosure

Critical Choice's use of information received from Google APIs adheres to Google API Services User Data Policy, including the Limited Use requirements. Specifically:

4.6 RevenueCat

4.7 iOS Speech Recognition (Apple)

5. Data Sharing and Disclosure

5.1 We Do NOT Sell Your Data

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

5.2 When We May Share Your Data

We may share your information only in the following limited circumstances:

5.3 Team Project Data Sharing

When you participate in team projects (Premium feature):

Note: Team collaboration is optional. You can use the app entirely with local projects if you prefer to keep all data on your device.

6. Your Rights and Choices

You have the following rights regarding your personal data:

6.1 Access Your Data

6.2 Update Your Data

6.3 Export Your Data

6.4 Delete Your Data

6.5 Manage Google Calendar Access

6.6 Opt-Out of Communications

7. Data Retention

We retain your personal information for as long as necessary to provide our services and fulfill the purposes outlined in this privacy policy.

7.1 Active Accounts

7.2 Deleted Accounts

When you delete your account, the following happens:

Important: From your perspective, account deletion is immediate and irreversible. You will lose access instantly and cannot recover your data. However, Firebase's internal backup systems (beyond our control) may retain copies for disaster recovery for up to 90 days.

7.3 Inactive Accounts

8. App Age Rating

App Store Age Rating: 4+ (Suitable for All Ages)

Critical Choice is designed for users of all ages and does not contain any objectionable content, violence, gambling, mature themes, or inappropriate material. The app is rated 4+ on the Apple App Store, meaning it is suitable for children and adults.

Children's Privacy: While Critical Choice is rated 4+ and suitable for all ages, we do not knowingly collect personal information from children under the age of 13 (or the minimum age in your jurisdiction) in accordance with privacy laws such as COPPA. If you are a parent or guardian and believe your child under 13 has provided us with personal information, please contact us immediately. We will take steps to delete such information from our systems.

9. International Data Transfers

Your information may be transferred to and stored on servers located outside of your country of residence. These countries may have different data protection laws than your country.

By using Critical Choice, you consent to the transfer of your information to countries outside of your country of residence, including the United States where Firebase servers are located.

We ensure appropriate safeguards are in place to protect your data in accordance with this privacy policy and applicable laws, including:

10. Your California Privacy Rights (CCPA)

If you are a California resident, you have specific rights under the California Consumer Privacy Act (CCPA):

Right to Know

You have the right to request information about the personal data we collect, use, and disclose.

Right to Delete

You have the right to request deletion of your personal information, subject to certain exceptions.

Right to Opt-Out

You have the right to opt-out of the sale of your personal information. Note: We do not sell personal information.

Right to Non-Discrimination

We will not discriminate against you for exercising your CCPA rights.

To exercise these rights, please contact us using the information in the Contact section below.

11. European Users (GDPR)

If you are located in the European Economic Area (EEA), United Kingdom, or Switzerland, you have additional rights under the General Data Protection Regulation (GDPR):

Legal Basis for Processing

We process your personal data based on:

Your GDPR Rights

To exercise these rights, please contact us using the information below.

12. Changes to This Privacy Policy

We may update this privacy policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors.

When we make significant changes, we will:

We encourage you to review this privacy policy periodically. Your continued use of the app after changes are posted constitutes 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:

App Name: Critical Choice (Todo 4Q)
Developer: Michael Shen
Email: webmic1209@gmail.com
Website: https://michael-shen.github.io/critical-choice/
GitHub: https://github.com/Michael-Shen

We will respond to your inquiry within 30 days.

14. Consent

By using Critical Choice, you acknowledge that you have read and understood this privacy policy and agree to the collection, use, and disclosure of your personal information as described herein.

If you do not agree with this privacy policy, please do not use our app.

© 2026 Michael Shen. All rights reserved.
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