Short verdict
Both providers present character-chat discovery. Choose the account and app routine that lets you identify the intended character and return to the intended conversation. A matching name or portrait does not prove that two cards are the same character, and reopening a chat does not establish perfect memory.
PolyBuzz vs CHAI becomes a useful comparison when you have found a character you like and want to return tomorrow. Browsing a large catalog is one task; locating the same creator’s card and the same conversation is another. A familiar portrait can conceal a different card, copied description or fresh session.
Provider discovery information was reviewed on October 8, 2026. This article proposes a harmless continuity check and makes no claim that we tested either app’s memory or current paid tier.
Identify the card before judging the reply
For an original adult fictional character, record the displayed name, creator identifier, distinctive description and the supported route back to the card. Avoid using real people’s personal details. If a service offers a favorite or saved-conversation feature, check its actual behavior in your account rather than assuming the controls are identical across apps.
PolyBuzz’s FAQ describes character discovery and creation. CHAI’s official site provides its application routes and character-chat positioning. These facts establish the type of service; they do not tell you whether two similarly named characters share an author or a conversation history.
| Return step | What to verify |
|---|---|
| Find the character | Creator and description match the original card |
| Open the conversation | The prior messages are present if expected |
| Continue the scene | The latest agreed event remains the starting point |
| Switch device | The intended account, rather than a new identity, is active |
| Correct a mistake | The correction affects the intended detail |
Use a single distinctive fictional detail
In a brief non-explicit scene, agree that the character placed a brass telescope in a blue cabinet. End the conversation naturally. On return, ask about the cabinet without supplying the whole answer. Check whether the reply recalls the established location, admits uncertainty or confidently substitutes something else.
If the chat history itself is missing, investigate the return route before interpreting the answer as a memory failure. If the history is present but the reply contradicts it, record that separately. This distinction makes a comparison useful instead of blaming every problem on “bad memory.”
Prefer a simple recovery
Provide a one-sentence correction if needed and continue for two turns. Does the character use the corrected detail without inventing a new reason for the change? Longer replies do not score extra points. The useful result is a clean continuation with less repair work.
Read the privacy policy from the provider’s current official app or website before treating a character conversation as confidential. A creator’s profile, the chat operator and an app store’s data notice have different roles. A public character card is not a security assurance.
Choose the routine you can repeat
Prefer PolyBuzz or CHAI based on how easily you can identify the card, retrieve the right session and recover from a continuity error. Keep a short local scene note for stories where exact canon matters. No catalog size or marketing memory claim can replace that return check.
Our PolyBuzz vs Talkie guide covers another discovery comparison. Returning successfully means both finding the right character and continuing from the right event.
Sources and freshness
This is source-informed editorial analysis, not a hands-on benchmark. Proposed tests are evaluation suggestions, not reported results. Features, prices, limits, and policies can change; verify current official terms before acting.
Independent publication; verify current details with each provider.