Cookie Policy
Effective date: 16 February 2026 Last updated: 16 February 2026
This Cookie Policy explains how KosmoSonica Ltd ("KosmoSonica", "we", "us", "our") uses cookies and similar tracking technologies when you visit kosmosonica.com and use our services (the "Service").
This policy should be read alongside our Privacy Policy, which explains how we handle your personal data.
1. What Are Cookies?
Cookies are small text files placed on your device (computer, tablet, or mobile phone) when you visit a website. They are widely used to make websites work efficiently, provide a better user experience, and give website owners usage information.
2. Types of Cookies We Use
2.1 Strictly Necessary Cookies
These cookies are essential for the Service to function. They enable core features such as authentication, security, and accessibility. Without these cookies, the Service cannot operate.
| Cookie Name | Purpose | Duration | Provider |
|------------|---------|----------|----------|
| member-jwt | Authentication token for logged-in members | 30 days | KosmoSonica |
| admin-jwt | Authentication token for admin users | 7 days | KosmoSonica |
| sidebar:state | Remembers sidebar collapsed/expanded preference | 1 year | KosmoSonica |
| __stripe_mid | Stripe fraud prevention | 1 year | Stripe |
| __stripe_sid | Stripe fraud prevention | 30 minutes | Stripe |
Lawful basis: These cookies are necessary for the performance of the contract between you and KosmoSonica (UK GDPR Art. 6(1)(b)). They do not require consent.
2.2 Functional Cookies
These cookies remember your preferences and choices to provide a more personalised experience.
| Cookie Name | Purpose | Duration | Provider |
|------------|---------|----------|----------|
| theme | Remembers your light/dark mode preference | 1 year | KosmoSonica |
| locale | Remembers your language preference | 1 year | KosmoSonica |
| cookie-consent | Records your cookie consent choices | 1 year | KosmoSonica |
Lawful basis: Legitimate interest (UK GDPR Art. 6(1)(f)) — enhancing user experience. You can disable these via your browser settings.
2.3 Analytics Cookies
These cookies help us understand how visitors interact with the Service by collecting anonymised usage data. They are only set with your consent.
| Cookie Name | Purpose | Duration | Provider | |------------|---------|----------|----------| | Analytics session | Page views, session duration, feature usage | 90 days | Self-hosted analytics |
Lawful basis: Consent (UK GDPR Art. 6(1)(a)). These cookies are only set if you opt in. You can withdraw consent at any time.
2.4 Third-Party Cookies
Some third-party services we use may set their own cookies:
| Service | Purpose | Cookie Policy | |---------|---------|--------------| | Stripe | Secure payment processing and fraud prevention | Stripe Cookie Policy | | Google (if using Google sign-in) | Authentication via Google OAuth | Google Privacy Policy | | Apple (if using Apple sign-in) | Authentication via Apple ID | Apple Privacy Policy | | Facebook (if using Facebook sign-in) | Authentication via Facebook Login | Facebook Cookie Policy |
We do not use advertising cookies or share cookie data with advertisers.
3. How to Manage Cookies
3.1 Cookie Consent Banner
When you first visit our website, we display a cookie consent banner that allows you to:
- Accept all cookies — enables all cookie categories
- Accept essential only — only strictly necessary cookies are set
- Manage preferences — choose which categories to allow
You can change your cookie preferences at any time from the cookie settings link in the website footer.
3.2 Browser Settings
You can also control cookies through your browser settings. Most browsers allow you to:
- View what cookies are set
- Delete individual or all cookies
- Block cookies from specific or all websites
- Set preferences for first-party vs. third-party cookies
Note that blocking strictly necessary cookies may prevent the Service from functioning correctly.
Browser-specific instructions:
- Chrome: Settings > Privacy and Security > Cookies
- Firefox: Settings > Privacy & Security > Cookies and Site Data
- Safari: Preferences > Privacy > Cookies and website data
- Edge: Settings > Privacy, search, and services > Cookies
3.3 Do Not Track
We respect the "Do Not Track" (DNT) browser signal. If your browser sends a DNT signal, we will not set analytics cookies.
4. Data Retention
Cookie data is retained for the duration specified in the tables above. When a cookie expires, the data is automatically deleted from your device. Server-side analytics data derived from cookies is retained for 90 days and then anonymised, as described in our Privacy Policy.
5. Changes to This Policy
We may update this Cookie Policy from time to time. When we make changes, we will update the "Last updated" date at the top of this page and reset the cookie consent banner so you can review and update your preferences.
6. Contact Us
If you have questions about our use of cookies, contact us:
- Email: privacy@kosmosonica.com
- General enquiries: hello@kosmosonica.com