Best AI Chat 8.9/10 
Replika
Deepest emotional AI with long-term memory. The original AI companion app, still ahead on emotional depth.
Pros
- ✓ Deepest emotional intelligence of any AI
- ✓ Long-term memory across sessions
- ✓ Diary and journaling features
- ✓ AR and video call modes
Cons
- ✗ Romantic features behind paywall
- ✗ Can feel repetitive over months
- ✗ Premium is expensive at $20/mo
Replika pioneered the AI companion space, and in 2026 it still leads on emotional depth. Its long-term memory system genuinely remembers your conversations.