Something not working, or a question we haven't answered here? Write to us — a person reads every message.
Email: [email protected]
We aim to reply within one business day. Including your device model and iOS version helps us reproduce problems faster.
You can delete your account and everything in it from inside the app, without contacting us:
This permanently removes your conversations, uploaded files, saved memories and profile. It cannot be undone. If you would rather we did it for you, email [email protected] from your account address.
On the sign-in screen, tap Forgot password? and enter your email. We send a six-digit code — enter it in the app and choose a new password. Codes expire after one hour and can be used once.
If the email doesn't arrive, check your spam folder, then request a new code. If you signed up with Sign in with Apple you don't have a password — sign in with Apple instead.
Settings → Data & Privacy → Clear Local Cache removes cached transcripts and temporary files from the device. Your conversations stay on your account and reload when you next open them.
Arcus routes to current frontier models, including GPT-6 Astra, Claude Fable 5, Claude Opus 5, GPT-5.6 Sol, Gemini 3.7 Flash and DeepSeek V4. Auto picks one for each question; you can override it at any time from the model selector, including mid-conversation.
No. Your conversations are never used to train models, ours or anyone else's. Prompts are sent to the model provider you selected purely to generate that response. See the Privacy Policy for detail.
Code execution always pauses for a human decision before it runs — Arcus will not execute code on your behalf without you approving that specific request.
Yes. Settings → AI & Preferences has switches for Live Web Search and Code Execution Sandbox. Turning one off removes those tools entirely for your requests.
Make sure you're signed in to iCloud on the device and that Arcus is allowed under iOS Settings → Apple Account → Sign in with Apple. If you previously revoked access, signing in again will ask for your name once more.
For bugs, tell us what you did, what you expected, and what happened instead. Screenshots help. For anything security-related, email [email protected] and we'll respond before disclosing anything publicly.