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Pi vs SimSimi
Pi edges SimSimi on our editorial score (4.0 vs 3.5), but Pi is the stronger pick if you want live voice calls and long-term memory, while SimSimi fits better if custom characters matter more.
0| Pi0 | SimSimi0 | |
|---|---|---|
| Editor score | 4.0 / 5 | 3.5 / 5 |
| Price | Free | Free |
| Price band | Free | Free |
| Free tier | Yes | Yes |
| Price detail | Free, with no usage limit and no paid tier — no card required. | Free with in-app points; optional purchases $0.29–$2.99 (ad-free, membership, boosts). Rated 16+ with occasional mature UGC. |
| Adult content | No adult mode | No adult mode |
| Voice | Live calls | No |
| Images | No | No |
| Video | No | No |
| Memory | Yes | No |
| 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
SimSimi — our take
A chat bot since 2002 with replies crowdsourced by users across 81 languages — playful company, not a deep companion.
- Hundreds of millions of users
- 81 languages
- Create your own characters
Pi vs SimSimi — common questions
Which is cheaper, Pi or SimSimi?
They cost the same on our recorded numbers (Free).
Which one has a free tier?
Both do — you can try either without paying.
Which remembers conversations better?
Pi retains context across sessions; SimSimi keeps context only within a session.
Which handles adult content differently?
Pi: No adult mode. SimSimi: No adult mode. This directory is SFW — we record whether a mature mode exists so you know before signing up, and we describe no explicit material.