Introduction
AI companion conversations can contain personal details, relationship preferences, images, voice recordings, or remembered profile facts. Privacy practices differ across providers and can change over time. Before using a service, read its current privacy policy and settings, decide what information is necessary to share, and understand how account deletion differs from removing a visible conversation.
Identify the data the service may handle
Start with the provider's own privacy policy. Look for categories such as account details, conversation content, uploaded media, voice data, device information, usage activity, purchases, and support messages. The exact categories and purposes vary by service.
Memory features may save profile facts or summaries separately from the current conversation. Check whether the product offers controls to view, edit, or delete remembered information and whether those actions affect other stored records.
Check use, sharing, retention, and deletion
A privacy review should ask why data is processed, whether service providers or other parties receive it, how long it is retained, and what choices the user has. Do not assume that a private-feeling conversation is confidential in the legal or professional sense.
Find the account deletion and privacy-request process before relying on the service. Removing a message from the interface, deleting a character, and deleting an account may be different actions with different retention effects.
Reduce unnecessary exposure
Use a unique password and available account security features. Avoid sharing credentials, financial information, precise location, private records, or another person's identifying information. Consider using less specific biographical details when exact details are not needed for the intended experience.
Review permissions for microphone, camera, photos, notifications, and contacts. Grant only access required for features you choose to use, and revisit permissions when the app adds features.
Treat privacy as an ongoing check
NIST frames privacy risk management as an ongoing organizational process. For an individual user, the practical equivalent is to recheck policies, settings, and retained information periodically rather than treating initial consent as permanent understanding.
CompanionIndex records verification dates because product policies change. Always use the provider's current policy as the controlling source and seek qualified advice if a specific legal or regulatory question matters.
Frequently asked questions
Are AI companion chats confidential?
Do not assume professional or legal confidentiality. Read the provider's current privacy policy to understand how conversation data is processed, disclosed, retained, and deleted.
Does deleting a chat delete all stored data?
Not necessarily. Chat removal, memory deletion, and account deletion may be separate processes. Check the provider's current instructions and retention language.
What is the simplest way to reduce privacy risk?
Share less sensitive information, use a unique password, limit device permissions, review memory controls, and periodically check the current privacy and deletion settings.
Sources
- NIST Privacy Framework — government-privacy-framework, verified 2026-08-06
- Character.AI Privacy Policy — official-privacy-policy, verified 2026-08-06
- Replika Privacy Policy — official-privacy-policy, verified 2026-08-06
- Nomi Privacy Policy — official-privacy-policy, verified 2026-08-06
- Kindroid Terms of Use and Privacy Policy — official-legal-documentation, verified 2026-08-06
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