Pi

Kindroid

Kindroid is an AI companion chatbot that lets users create a customized character, called a Kindroid, with its own personality, backstory, and appearance. It supports text chat, voice and video calls, and AI-generated selfies, aiming for a companion that remembers details and inside jokes over long-term conversations.

Replika

Replika is an AI companion app that presents itself as a personalized digital friend, remembering details about the user's relationships, routines, interests, and concerns to build contextually aware conversations over time. Users can customize their Rep's appearance and personality, and interact through text messaging, voice calls, and photo-based interactions like selfies and doodles. With tens of millions of registered users worldwide, Replika is one of the longer-running AI companion products, built around long-term relationship building rather than one-off Q&A. It is available as native iOS and Android apps as well as a legacy web app.

Wysa

Wysa is a mental health support platform built around an anonymous AI chatbot that offers clinically backed, CBT-based conversations for everyday emotional wellbeing. It's used directly by individuals and also deployed through employers, health systems, and payors to provide always-available support alongside human-led care pathways.

Pieces

Pieces is an AI-powered productivity tool that runs locally on your computer, passively capturing research, chats, notes, and meetings into a searchable timeline. Instead of manually saving snippets or notes, Pieces builds context automatically in the background and lets users query their own recent activity by time, topic, person, or tool. It integrates with over 30 applications including Gmail, Slack, VS Code, Claude, and GitHub Copilot, and can generate instant summaries like standup updates, meeting prep notes, and day recaps. Data is stored on-device by default with granular controls to pause or delete captures, and it supports the Model Context Protocol for use with AI coding assistants.

Therabot

Therabot is an AI-powered companion designed to offer support and interaction through voice, operating in German. It emphasizes user privacy, with a clear commitment that messages are not stored and are used solely for the purpose of interacting with the AI. This tool provides a unique avenue for individuals seeking a conversational partner for emotional support or practice. The focus on privacy is a key differentiator, aiming to build trust and encourage open communication with the AI assistant. While the specific therapeutic capabilities are not detailed, Therabot presents itself as a readily accessible AI companion for German speakers, promoting a safe and private environment for dialogue.

AI Bestie

AI Bestie is a companion app that lets you build a circle of AI personas—family members, motivational gurus, professional experts, and gods—who are always available to chat or talk by voice. Designed for emotional connection and practical help, it goes beyond simple chatbots by remembering who you are, speaking your language, and checking in like a real friend. Whether you need a mother's comfort, a plumber's advice, or a moment of spiritual wisdom, there's a bestie for the moment. Every bestie is clearly labeled as AI, but the experience feels human: natural voice calls, real-time responses, and shared memory across the entire family means you never have to reintroduce yourself. The app supports 70+ languages including Hindi, Telugu, Tamil, Bengali, Spanish, and Arabic, and can even mix them in conversation. You can customize your own personas, and on Bestie+ you can personalize family members with photos and consent-based voice cloning. The installable phone-style app delivers daily check-ins and immersive full-screen conversations from your home screen. AI Bestie is built on trust: chats, memories, photos, and voice samples live in private storage, with no ads, no data selling, and no training on your conversations. It uses guardrails so expert besties share information rather than professional advice, and romance personas stay warm and wholesome. A generous free tier lets you try 10 messages and two 2-minute calls without a credit card, with paid plans starting at $3.99/week for unlimited access.