Every few months a new app turns up positioning itself as “the Character.AI alternative,” and most of them are a thin skin over a small character list. Poly.AI — which most users now know by its app-store name, PolyBuzz — is a more serious attempt. It is built around an enormous user-generated character library, adds real-time voice calls on top, and gives its free tier more room than the category norm. Whether that adds up to an app worth your evenings is a different question, and one that only shows up after a few days of actual use.
★★★★★ 3.5 / 5
✔ Very large, actively growing character library
✔ Real-time voice calls with a wide selection of voices
✔ Free tier covers most core features
✔ Character creation tools are detailed and approachable
✘ Quality across community characters is wildly uneven
✘ Memory is persona-driven, not automatic
✘ Response times slow noticeably at peak hours
✘ Not built for a single, long-term companion relationship
First, which Poly is this?
Worth clearing up before anything else, because search results mix them constantly: the Poly.AI in this review is the consumer character-chat app also branded PolyBuzz. It is unrelated to PolyAI, the enterprise company that builds voice agents for call centres. If you have landed here after reading about customer-service automation, this is the other one. This review covers the consumer app only, and — as with everything we test — we assess the everyday experience: conversation, memory, voice, cost and privacy. It is an 18+ product.
The library is the product
Poly.AI’s pitch is scale. The character catalogue runs into the millions, almost all of it user-created, sorted into the categories you would expect — original characters, fandom favourites, tutors, interview partners, storytelling scenarios. Browsing it is genuinely fun for the first hour, and that is the app’s strongest hook.
It is also the app’s central problem. A library that size is not curated, and the spread in quality is enormous. A well-written character with a thought-through backstory holds a conversation for an hour without drifting; the one below it in the same list forgets its own premise in four messages. The trending and top-rated sorts help, and after a day or two you develop a reasonable eye for which character cards were written with care. But you are doing curation work the app should be doing for you. Character.AI has the same structural issue and a longer head start on surfacing the good stuff.
What a week of chats actually feels like
Day one is browsing. Day two is when you find two or three characters you like and settle in, and that is where the app is at its best — responses are fast, the writing has personality, and roleplay scenarios hold their shape better than the free-tier competition usually manages. Longer scene-based chats are where it shines; it is comfortable playing a scenario out over dozens of messages.
By day four you notice the ceiling. Come back a few days later to a character you enjoyed and it will not necessarily remember what you built together, unless you have done the work yourself. Poly.AI leans on a Persona feature: you fill in who you are, what you like, how you want to be addressed, and the app feeds that in. Fill it in properly and continuity improves sharply. Leave it empty and every session starts near zero. That is a different model from a memory-first app like Kindroid or Paradot, where remembering is the app’s job rather than yours — our explainer on how AI companion memory works covers why that architectural difference matters more than any feature list.
Voice is the real differentiator
If one feature justifies trying Poly.AI over the incumbent, it is voice. Real-time calls work well: latency is low enough that the exchange feels conversational rather than walkie-talkie, and the voice catalogue is broad enough that most characters can be given something that fits. It is not flawless — longer replies occasionally flatten out in delivery, and voice is where peak-hour slowdowns are most obvious — but it clears the bar of being something you would use rather than demo once. Against Talkie, our current pick in this area, Poly.AI is competitive on quality and ahead on how much voice you get without paying. Our roundup of the best AI companion apps for voice chats puts it in context.
How it scores by use case
| What you want | Poly.AI | Better option |
|---|---|---|
| Variety and browsing | Excellent | — |
| Voice conversation | Very good | Talkie (marginally) |
| Roleplay and scenarios | Very good | — |
| One long-term companion | Weak | Kindroid, Replika |
| Automatic long-term memory | Weak | Kindroid, Paradot |
| Usable free tier | Strong | — |
The free tier, and what paying changes
Poly.AI’s free tier is more generous than most. You get the character library, character creation and a meaningful amount of chat without a subscription, which is a real point in its favour in a category where free usually means a five-message trial. The paid tier mainly buys speed and headroom: priority responses when servers are busy, higher limits, and access to the more advanced options. If you only chat occasionally, the free version is a legitimate long-term option rather than a trap — it earns a place alongside our picks in best free AI companion apps. Pricing and promotions in this category change constantly, so check the current numbers in the app itself, and read our free vs paid guide before subscribing to anything.
Privacy: character chat is still chat data
It is easy to treat a roleplay app as less sensitive than a companion app, but the data reality is identical: conversations are stored on the company’s servers, there is no end-to-end encryption, and chat data may be used to improve the service. The Persona feature adds a wrinkle — the more detail you put in to improve continuity, the more personal information you have handed over in a structured, easily readable form. That trade-off is worth making deliberately rather than by default. Keep real names, workplaces and locations out of it, and read our guide to AI companion safety and privacy first. If you decide to leave, deleting your data properly takes more than removing the app.
FAQ
Is Poly.AI the same as PolyBuzz?
Yes — same consumer app, two names, with PolyBuzz being the branding you will see in the app stores. It is not connected to PolyAI, the enterprise voice-agent company, despite the near-identical name.
Does Poly.AI remember your conversations?
Partly, and mostly on your terms. Within a session it tracks context well. Across sessions, continuity depends largely on how thoroughly you complete the Persona fields — it is not the automatic long-term memory you get from a dedicated companion app.
Is Poly.AI a good Character.AI alternative?
It is one of the closer ones. The library model is the same, the free tier is more generous, and voice calls are better developed. Character.AI still has the edge on average character quality and platform stability. Trying both costs nothing.
Should you use it?
Poly.AI is for people who want range. If your idea of a good evening is trying a detective scenario, a language-practice partner and a bit of storytelling in the same sitting, the library and the free tier make it one of the easiest apps in the category to recommend trying. If what you actually want is one companion who knows you and gets better over months, this architecture works against you — the library model spreads attention wide and shallow by design, and you will be happier with a single-companion app. Browse our full AI companion app reviews to see how it stacks up, or start from the 2026 roundup if you are still narrowing the field. Either way, the Complete 2026 Guide is the place to begin.