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Replika vs Pi: catalog facts
Replika	Pi
Freemium Free to start; the homepage does not list prices for extra features.	Free Sign-up is free; the research does not mention paid plans.
Android, iOS	Web
Long-term memory of people, routines and plans you share Conversational focus on companionship and reflection	Conversational tone suited to talking things through Runs in the browser with nothing to install
Personal conversations are stored by the service Not designed for research or productivity tasks	Can make factual mistakes Aimed at conversation more than research or coding work
Downloadable app	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.