Privacy Policy
The short version: Piksi requires an account. We store your decks, cards, and comparison history to calculate rankings.
Account Required
Piksi requires an account to function. Your account data (email and password) is stored securely.
What We Store
When you use Piksi, we store:
- Decks - Decks you create (name, description)Stored on our server. Kept until you delete it. Legal basis: contract (needed to run the service).
- Cards - Cards within your decks (name, description)Stored on our server. Kept until you delete it. Legal basis: contract (needed to run the service).
- Comparisons - Your pairwise comparison choices used to calculate rankingsStored on our server. Kept until you delete it. Legal basis: contract (needed to run the service).
- Ratings - Glicko-2 ratings computed from your comparisonsStored on our server. Kept until you delete it. Legal basis: contract (needed to run the service).
Cookies
We do not use cookies for tracking. We use localStorage to save preferences and sessionStorage during the sign-in process.
Analytics
We use our own privacy-focused analytics to collect minimal anonymous usage data:
- Page views - Which pages are visited (no personal data)
- Anonymous identifiers - A random visitor ID to count unique visitors (not linked to your identity)
- Error reports - Technical errors for debugging (no personal data)
We do not use third-party analytics services like Google Analytics.
Third Parties
We do not sell or share your data with third parties.
Your Rights
You can:
- Access your data (view within the app)
- Correct your data (update profile in settings)
- Delete your data (from within the app)
- Withdraw consent (sign out and stop using the service)
Contact
Questions about privacy? Contact us through the app.
Last updated: March 2026
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