Cookie Policy
Last updated: 18 April 2026
What Are Cookies?
Cookies are small text files that are placed on your device when you visit our website. They help us provide you with a better experience by remembering your preferences and understanding how you use our site.
Types of Cookies We Use
1. Essential Cookies (Always Active)
These cookies are necessary for the website to function and cannot be disabled. They include:
- Authentication cookies - Keep you logged in
- Security cookies - Protect against fraud and abuse
- Session cookies - Remember your preferences during your visit
- Load balancing cookies - Distribute traffic across servers
Legal basis: Legitimate interest (necessary for service delivery)
2. Analytics Cookies (Optional)
These cookies help us understand how visitors interact with our website. They collect information about:
- Pages visited and time spent on each page
- Game performance and completion rates
- User progress and improvement over time
- Technical information (browser type, device, screen size)
- Traffic sources and navigation patterns
Legal basis: Your explicit consent
3. Marketing Cookies (Optional)
These cookies are used to deliver personalized advertisements and track campaign effectiveness:
- Advertising targeting and personalization
- Conversion tracking
- Social media integration
- Retargeting campaigns
Legal basis: Your explicit consent
How We Use Game Statistics
When you complete a game, we store the following in our database:
- The full game state — every trial, your responses, and timing data
- Raw score, normalised score, and percentile ranking
- Session start/end times and duration
- Game-specific metrics (e.g., reaction time, accuracy)
- A generated feedback report with strengths, weaknesses, and recommendations (generated on-demand, not stored)
This data is stored in our secure database and is only accessible to you. We use it to:
- Show you your scores, progress charts, and improvement trends
- Generate personalised feedback and recommendations
- Calculate your percentile ranking against anonymised population benchmarks
- Track your daily practice streak and personal best
Game session data is automatically deleted after 2 years, or immediately when you delete your account or request removal from settings.
Third-Party Cookies
We use the following third-party services that may set cookies:
- Stripe - Payment processing (essential for checkout)
- Supabase - Authentication and database services (essential)
We do not currently use any third-party analytics or advertising cookies.
Managing Your Cookie Preferences
You can manage your cookie preferences at any time:
- Visit your settings page to update your preferences
- Use your browser settings to block or delete cookies
- Clear your browser cache to remove existing cookies
Note: Blocking essential cookies may prevent the website from functioning properly.
Cookie Retention
Different cookies have different retention periods:
- Session cookies - Deleted when you close your browser
- Authentication cookies - Up to 30 days
- Preference cookies - Up to 1 year
- Analytics cookies - Up to 2 years
Your Rights
Under GDPR and other privacy laws, you have the right to:
- Access your data
- Correct inaccurate data
- Request deletion of your data
- Object to data processing
- Export your data (data portability)
- Withdraw consent at any time
Contact Us
If you have questions about our cookie policy, please contact us at:
- Email: support@cogniprep.app
Changes to This Policy
We may update this cookie policy from time to time. We will notify you of any significant changes by posting a notice on our website or sending you an email.