Duple memory: how your companion remembers you.

What Duple remembers

Duple’s memory is automatic. As you chat, Duple extracts facts, preferences, emotional moments and episodic memories from your conversation and stores them for that companion. It is a standard part of the app, not a setting you have to switch on.

Examples of the kinds of things it stores: something you said about your week, a preference you mentioned, or a moment that mattered to you. Duple has not published a full list of what it keeps, so treat these as categories, not a promise that every detail is stored.

How memory is used in a chat

According to the Privacy Policy, memories are converted into numerical representations (embeddings) and stored in Duple’s database. When you chat, the most relevant memories are retrieved and given to the AI so your companion can feel consistent over time. Memory belongs to each companion, so a companion in your roster remembers its own conversations.

What memory can and can’t do

Memory makes a companion more consistent, but recall is not perfect. It can miss details or surface something at the wrong moment, as with any AI that retrieves from stored notes. Memory is not a transcript, and a companion is not a person who lives through events with you. For a plain-language explainer, read how AI companion memory works.

Your control: reset and delete

• Reset a companion’s memory in the app settings at any time. The Privacy Policy says this erases the messages, memories and media associated with that companion.
• Delete a companion from its menu.
• Delete your account in Settings → Delete Account. Some limits apply, described on the safety page.

Memory is processed by third-party AI providers on Duple’s behalf. Read sections 3, 4 and 7 of the Privacy Policy for details.

Memory in other apps

Replika, Nomi and Kindroid also advertise memory. For a dated comparison, see the best AI companion app guide. Questions about plans or limits? Duple pricing and the FAQ cover them.