Welcome to Signa (“we,” “our,” or “us”). Your privacy and data protection are important to us. This Privacy Policy explains how we collect, use, disclose, store, and protect your personal data when you use our mobile application, website, and related services (collectively, the “Services”).
By accessing or using our Services, you agree to this Privacy Policy. If you do not agree, please do not use our Services. We may update this policy periodically and will notify you of any significant changes.
Personal Data: Information relating to an identified or identifiable individual.
Sensitive Personal Data: A subset including racial or ethnic origin, health, or similar.
Processing: Operations performed on personal data (e.g., collection, storage).
Controller: The entity deciding how and why data is processed. Here, Signa is the Controller.
Processor: An entity processing data on behalf of the Controller.
Third Parties: Individuals or companies not part of Signa.
Registration: name, email (e.g., xianyang43433@163.com), username, password
Profile: photo, bio, interests, location (optional)
Content: posts, comments, uploads
Support: communications through email or forms
Device and log data: device model, OS, crash logs, IP, language
Usage data: pages visited, features used, session duration
Location: approximate, if permitted
We use cookies and similar technologies for functionality, analytics, and user preferences.
To provide and improve Services
To personalize content and user experience
To communicate updates, offers, and alerts
To secure, monitor, and prevent fraud or abuse
To comply with legal obligations
For analytics and product development
With consent, to show personalized advertising
Depending on your jurisdiction:
Contractual necessity
Legitimate interest
Consent (for marketing, ads, etc.)
Legal obligations
We may share data:
Within Signa and its affiliates
With third-party service providers (e.g., hosting, analytics)
With advertising and marketing partners (with consent)
With legal authorities when required
As part of corporate transactions (e.g., merger or acquisition)
We may transfer data outside your country with appropriate safeguards, such as standard contractual clauses.
We retain data:
While your account is active and for a short period after deletion
As needed to comply with legal obligations or resolve disputes
HTTPS/TLS encryption
Role-based access controls
Regular audits and breach protocols
Staff training
Subject to applicable laws, you may:
Access, correct, or delete your data
Object to or restrict processing
Withdraw consent
Request data portability
Opt out of marketing or analytics
Lodge complaints with regulatory authorities
Signa is not intended for children under 13 (or 16 in the EU). We do not knowingly collect data from minors. Upon identification, such data will be deleted.
We use:
Essential cookies: for site functionality
Performance cookies: for analytics
Functional cookies: for user preferences
Advertising cookies: if applicable
You can manage cookies through your device or browser settings.
Our Services may include links to external websites. We are not responsible for their privacy practices or content.
We may update this policy from time to time. If changes are significant, we will notify you through the app or via email.
If you have any questions or requests regarding this Privacy Policy, please contact us:
📧 Email: xianyang43433@163.com