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Replika vs AI Diary
Replika edges AI Diary on our editorial score (4.1 vs 3.4), but Replika is the better fit if you want live voice calls and video and custom characters; AI Diary has no clear edge there.
0| Replika | AI Diary | |
|---|---|---|
| Editor score | 4.1 / 5 | 3.4 / 5 |
| Price | $5.83/mo | Free |
| Price band | Under $10/mo | Free |
| Free tier | Yes | Yes |
| Price detail | Pro $19.99/mo or $69.99/yr (~$5.83/mo); Ultra $29.99/mo; a higher tier exists at an unpublished price. Replika does not list prices on its website — they show only in-app and vary by region. | Free with limited features; monthly/annual subscriptions exist with rotating discounts, prices shown in-app (2026-09-30). |
| Adult content | No adult mode | No adult mode |
| Voice | Live calls | No |
| Images | No | No |
| Video | Yes | No |
| Memory | Yes | Yes |
| Custom characters | Yes | No |
| Companion types | Female companion, Male companion, Non-binary | Any character |
| Platforms | Web, iOS, Android | Web |
| Runs locally | No | No |
Replika — our take
Still the strongest product for people who want one companion and a real feeling of continuity.
- Deepest emotional-continuity design
- Voice calls plus AR and avatar video
- Wellbeing features are genuinely useful
AI Diary — our take
Simple AI diary with mood tracking and readability insights; free tier with limits.
- Free tier available
- Mood and emotion analysis
- Very simple to start
Replika vs AI Diary — common questions
Which is cheaper, Replika or AI Diary?
AI Diary is the cheaper of the two at Free, against $5.83/mo for Replika.
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?
Replika: No adult mode. AI Diary: 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.