BrainBattle stores your login (username), a securely hashed password (bcrypt), and your chosen nickname on our servers. Game progress (coins, skins, rating, quest state) is stored locally on your device.
Coin packs are processed through Apple's StoreKit. We record only the Apple transaction ID and the product ID to prevent duplicate delivery. No payment details are stored by us.
You may delete your account at any time from Settings → Delete account. This permanently removes your login, hashed password, and all associated purchase records from our servers. Local device data is also cleared. Deletion is irreversible.
The app uses Apple's StoreKit for payments. No analytics, ads, or tracking SDKs are included. PeerJS is used for peer-to-peer 1v1 battles; no conversation content is stored.
For privacy-related questions email: privacy@cashnova.website