Privacy Policy
Last updated September 27, 2026
Market Battle is a multiplayer trading game played with play money only. This policy explains what we collect and why.
What we collect
- Account: the username you choose and your password, stored only as a salted hash.
- Gameplay: your trades, positions, balance, liquidations, bailouts and when you play. This runs the game, the leaderboard and our own anonymous usage statistics.
- Technical: your IP address appears in short-lived server logs, used only to keep the service running and secure.
We do not collect your real name, email, contacts, location, photos or payment details. We do not sell your data. If you use Sign in with Apple, we receive only an anonymous Apple identifier, not your name or email. If you use Sign in with Google, we keep only your Google account identifier; Google also sends your name and email to confirm the sign-in, and we do not store or use them.
What other players see
Your username, net worth and rank on the leaderboard, and news about your large trades and liquidations.
Advertising
The iOS app offers optional rewarded video ads: you choose to watch one to get a FED Bailout. These ads are served by Google AdMob. To show and measure ads, Google may collect your IP address, device and advertising identifiers and how you interact with ads, as described in How Google uses information from sites or apps that use its services.
Your device's advertising identifier (IDFA) is used only if you allow tracking when iOS asks; you can change this any time in Settings → Privacy & Security → Tracking. In the EEA, UK and Switzerland you are asked for consent first and can change your choice later. The web version shows no ads.
Deleting your data
Delete your account any time in the app (Profile → Delete account). This permanently removes your account, your game history and your usage statistics.
Children
Market Battle is not directed at children under 13.
Contact
Email hasuekee29@gmail.com. We answer within a few days.