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Pi vs Sakura FM
Pi edges Sakura FM on our editorial score (4.0 vs 3.9), but Pi is the stronger pick if you want live voice calls, while Sakura FM fits better if voice notes or image sharing or custom characters matter more.
0| Pi0 | Sakura FM0 | |
|---|---|---|
| Editor score | 4.0 / 5 | 3.9 / 5 |
| Price | Free | $19/mo |
| Price band | Free | $10–20/mo |
| Free tier | Yes | Yes |
| Price detail | Free, with no usage limit and no paid tier — no card required. | Third-party consensus (2026-09): Free tier, Plus $19/mo, Pro $39/mo. Not confirmed on the official site — re-verify before publishing claims. |
| 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 |
| 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
Sakura FM — our take
A solid anime-leaning Character.AI alternative with voice and image extras on paid tiers.
- Large anime character library
- Voice messages on paid tiers
- Usable free tier
Pi vs Sakura FM — common questions
Which is cheaper, Pi or Sakura FM?
Pi is the cheaper of the two at Free, against $19/mo for Sakura FM.
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. Sakura FM: 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.