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Pi vs PolyBuzz
Pi edges PolyBuzz on our editorial score (4.0 vs 3.9), but Pi is the stronger pick if you want live voice calls, while PolyBuzz fits better if voice notes or image sharing or custom characters matter more.
0| Pi0 | PolyBuzz0 | |
|---|---|---|
| Editor score | 4.0 / 5 | 3.9 / 5 |
| Price | Free | $8.25/mo |
| Price band | Free | Under $10/mo |
| Free tier | Yes | Yes |
| Price detail | Free, with no usage limit and no paid tier — no card required. | Basic $9.90/mo or $99/yr (~$8.25/mo); Premium $19.90/mo, Ultimate $29.90/mo. Coins on top start at $2.49. |
| Adult content | No adult mode | Optional mature mode |
| Voice | Live calls | Voice notes |
| Images | No | Yes |
| Video | No | No |
| Memory | Yes | Yes |
| Custom characters | No | Yes |
| Companion types | Any character | Any character |
| Platforms | Web, iOS, Android | Web, iOS, Android |
| Runs locally | No | No |
Pi — our take
Completely free, genuinely warm, and no upsell wall. Not a roleplay product, but an excellent listener.
- Entirely free with unlimited voice
- Consistently rated the most empathetic free model
- No ads
PolyBuzz — our take
The closest thing to Character.AI with a looser filter — as long as you accept an older model on free.
- Unlimited free text chat
- 20M+ community characters
- Web and mobile stay in sync
Pi vs PolyBuzz — common questions
Which is cheaper, Pi or PolyBuzz?
Pi is the cheaper of the two at Free, against $8.25/mo for PolyBuzz.
Which one has a free tier?
Both do — you can try either without paying.
Which remembers conversations better?
Both keep context across sessions. The practical difference is elsewhere: voice support differs between them.
Which handles adult content differently?
Pi: No adult mode. PolyBuzz: Optional mature mode. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.