Questions, bugs, or feedback of any kind:
Polya is built by one person, so replies aren't instant, but every email gets read and answered.
Polya's paid plans (Magna and Summa) are sold and billed by Apple, not by Polya directly, so most billing questions are handled through your Apple ID rather than by emailing here:
Email ethanchow42@gmail.com from the address (or mention the Apple ID) associated with your account and ask for it to be deleted. This removes your history and usage data; it's usually done within a few days. Deleting your account does not cancel an active Apple subscription — do that separately through Settings → Subscriptions, as above.
Polya's AI can get things wrong — if it marked something incorrectly or the app misbehaved, email ethanchow42@gmail.com with what happened and, if you can, a screenshot. This directly shapes what gets fixed next.
For details on what information Polya collects and how it's used, see the Privacy Policy.