Questions, bugs or ideas: email studios.ccg@gmail.com. We read everything and usually reply within two working days. Since Stealth collects nothing, please describe the problem in your message; we can't see your data.
No. There's no account, server, analytics or crash reporting. Everything stays encrypted on your iPhone. See the privacy policy.
Apple Intelligence on iPhones that support it. You can also download an open model (Qwen) in System › Choose model & voice; larger models answer better and need more memory.
Yes, once a model is set up. Chat, voice, camera, recordings and the optional knowledge packs all work in airplane mode.
Only when you use a feature that needs it: location for the Field Kit, calendars and reminders when you ask Stealth to add something or ask about your schedule. Nothing leaves the device.
In Stealth, go to System › Action button, Siri & widgets for step-by-step instructions.
Yes, they're imported automatically on first launch. The old model file can be removed in System to free space.
System › Erase everything, or delete the app.
Answers come from on-device models and can be wrong. The offline guides are official publications, cited by page. Read health & safety, and contact emergency services when you can.