Email is the only support channel. There's no phone tree, no chatbot, no help-center scavenger hunt. The developer replies.
If you're reporting a bug, including the following speeds up a fix considerably:
If your question is specifically about privacy or data handling: privacy@hormetic.app. The short version is in the policy.
If you'd like access to the TestFlight build before V1.0 hits the App Store: email support@hormetic.app and mention "TestFlight." Slots are limited.
Hormetic is built by one person who also flies airplanes for a living, so response time depends on whether the developer is at home or in a cockpit. Typically within 1–3 days.