The memory question separates companion apps faster than pricing does. Swipey keeps a durable profile you can edit; Character AI leans on the live session, Kupid AI holds persistent per-companion context, and Spicychat hands you manual memory notes to curate yourself. Pick by how much bookkeeping you want.
Compared on landing pages, these four look like the same app in different colours. Compared on memory, they split into clear camps — and that split is what you feel in week three, long after the novelty of the first conversation has worn off.
The table below leaves pricing out on purpose, because tiers move and they do not tell you the thing that matters: what the app still knows about you after a week away, and how much of that you get to control.
| App | What persists | Editable by you | Free tier | Adult (18+) | Best for |
|---|---|---|---|---|---|
| SwipeyThe only one of the four where memory is the headline feature rather than a footnote. | Durable profile, retrieved on demand | Yes, readable and correctable | Yes, lighter memory | Yes | Continuity over months |
| Character AIEnormous community library, but adult content is off the table and long threads lose their footing. | Mostly the live session | Limited, via character notes | Yes | No, filtered | Breadth of characters |
| Kupid AIStrong presentation and steady characters, with less visibility into what has actually been stored. | Persistent context per companion | Partly, through profile settings | Trial-style | Yes | Polished romance personas |
| SpicychatMost control if you enjoy curating memory by hand, most work if you do not. | Short window plus manual notes | Yes, you write the notes | Yes, generous | Yes | Tinkerers and community bots |
The deepest catalogue of characters anywhere, and the fastest way to try twenty voices in an afternoon. Memory is the trade: conversations lean on what is currently in view, so long-running arcs need you to re-establish context yourself.
Presentation is the strength — characters feel authored rather than assembled, and context does persist per companion, so returning conversations start warm. You simply get less insight into what has been kept and fewer levers to correct it.
Built for tinkerers: you can hand-write the notes and background a character should always know, which gives precise control over recall. It also means the quality of your memory is the quality of your own bookkeeping.
If you want breadth, take the big library and accept that you will repeat yourself. If you enjoy the mechanics, take the app that hands you the notes file. If you want to say something once and have it still be true in October, take the one built around a durable profile — then test it the cheap way, by disappearing for a few days and seeing what comes back.