Emotion Time Machine ยท Last updated: May 20, 2026
โ Your privacy is our priority
๐ Introduction
Welcome to Emotion Time Machine ("we", "our", or "us"). This Privacy Policy explains how we collect, use, and protect your personal information when you use our mobile application.
By using Emotion Time Machine, you agree to the collection and use of information in accordance with this policy.
๐ Information We Collect
We collect the following types of information to provide and improve our service:
Mood data: Mood ratings, emotional entries, and personal notes you voluntarily log
Usage data: App interaction data such as features used and session frequency (anonymized)
Device information: Device type and OS version for compatibility purposes
Account information: Email address if you create an account for cloud sync
๐ We do NOT collect your name, precise location, contacts, financial data, or any other sensitive personal information.
๐ฏ How We Use Your Information
Provide mood tracking and analytics features within the app
Generate personalized mood patterns and predictions
Sync your data across devices (if cloud sync is enabled)
Locally on your device: All mood entries are stored on your phone by default
Cloud storage (optional): If you enable cloud sync, data is stored securely using Google Firebase with industry-standard encryption
๐ All data transmitted between the app and our servers is encrypted using SSL/TLS encryption.
๐ค Data Sharing
We do NOT sell, trade, or rent your personal information to third parties.
Google Firebase: Used for secure cloud data storage (subject to Google's Privacy Policy)
No advertising networks: We do not share data with advertisers
No data brokers: We never sell your data to any third party
๐ถ Children's Privacy
Emotion Time Machine is not directed at children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe your child has provided us with personal information, please contact us immediately.
โ๏ธ Your Rights
Access: Request a copy of your personal data
Deletion: Request deletion of your personal data at any time
Portability: Export your mood data via the PDF export feature
Correction: Update or correct inaccurate personal data
Opt-out: Disable cloud sync at any time in Settings
๐๏ธ To delete all your data, go to Settings โ Delete Account in the app, or contact us directly.
๐ช Cookies & Tracking
Emotion Time Machine does not use cookies or any cross-app tracking technologies. We do not track your activity across other apps or websites.
๐ Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of any significant changes by updating the "Last updated" date at the top of this policy and sending an in-app notification.
๐ฌ Contact Us
If you have any questions about this Privacy Policy, please contact us: