We're committed to protecting your privacy and ensuring you have a positive experience on our website. By using our services, you accept this Privacy Policy and consent to the collection, use, and disclosure of your personal information as described herein. If you have any questions, contact our Data Protection Officer at hello@mathani.app.

I. Information We Collect

We collect two types of data:

1. Personal Information

This may include:

Email address (when creating an account or joining our mailing list)
Device ID and IP address
Any other information you voluntarily provide

2. Non-Personal Information

This includes data that does not identify you individually:

Anonymous usage data
General demographic information
Browser type and operating system
Referring and exit pages
App interaction events (e.g., clicks, errors)
Cookies and analytics data (see Cookie Policy)

II. How We Use and Share Information

Use of Personal Information

We process your data under GDPR Art. 6 based on contract performance, consent, or legitimate interest:

To create and manage user accounts (Art. 6b)
To provide app functionality and process subscriptions (Art. 6b)
To send notifications and updates (Art. 6a)
To analyse usage and improve performance (Art. 6f)
To detect errors and enhance security (Art. 6f)
To prevent fraud and misuse (Art. 6f)
To improve our spaced repetition system and user support (Art. 6f)

Sharing of Personal Information

We may share your data:

With trusted service providers (e.g., hosting, analytics, payments) bound by confidentiality
To comply with legal obligations or respond to lawful requests
To enforce our Terms of Service
To protect user rights, safety, and prevent fraud

Use of Non-Personal Information

We may aggregate and analyse this data to:

Understand user behaviour and app engagement
Improve features and performance
Share anonymised trends with partners

III. Children's Privacy

Mathani may be used by children under 13, but only with the verified consent of a parent or legal guardian. We do not knowingly collect personal data from children under 13. If we become aware that such information has been collected, we will take steps to delete it promptly.

If you believe a child has used Mathani without parental approval, please contact us at hello@mathani.app with the subject line: "[Privacy Policy] Underage Use Concern".

IV. Data Storage and Transfers

Personal data is stored on secure servers operated by GDPR-compliant providers. Depending on your location, your data may be transferred outside the EU or UK. All transfers follow lawful mechanisms such as Standard Contractual Clauses.

V. Data Security

We use technical and organisational measures to protect your data, including:

Encrypted data transmission (SSL/TLS)
Secure account login and authentication
Firewalls and intrusion detection

While we do our best to protect your data, no system is 100% secure. You acknowledge and accept this risk when using our services.

VI. Data Retention and Your Rights

We retain your data only as long as needed for the purposes outlined above, unless longer retention is required by law.

Under GDPR, you have the right to:

Access the data we hold about you
Request correction or deletion of your data
Withdraw your consent at any time
Object to or restrict processing
Request data portability
Lodge a complaint with your local data protection authority

To exercise these rights, contact us at hello@mathani.app.

VII. Communication Preferences

You can opt out of promotional emails at any time by using the unsubscribe link. We may still send administrative or important notices related to your account.

VIII. Third-Party Services

We work with trusted third parties that help us deliver the Service. These may include:

Hosting (e.g., Supabase, Vercel)
Analytics (e.g., PostHog)
Customer Support (e.g., Intercom, Crisp)
Payment Processors (e.g., Stripe, Apple Pay)

These parties are contractually required to protect your data and only process it for authorised purposes.

IX. Cookie Policy

We use cookies and similar technologies to:

Keep you logged in across sessions
Analyse usage and improve the Service
Remember your preferences and settings

You can control cookies via your browser settings. Disabling cookies may limit app functionality.

X. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. If we make significant changes, we will notify you via the app or by email. Continued use of the Service after updates means you accept the revised policy.

Contact Us

If you have any questions about this Privacy Policy or your data, please contact:

Email: hello@mathani.app
Website: https://www.mathani.app

Mathani is committed to safeguarding your personal information and respecting your privacy.

Mathani Privacy Policy