Eva vs Relay: Features, Pricing & Which Is Better (2026)
A side-by-side comparison of Eva and Relay — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.
Eva
EVA App (evaapp.ai)
A virtual conversational partner that listens, responds, and helps users build relationship and intimacy on their terms.
Key features
- Empathetic Conversation: Engages in open-ended, emotionally aware dialogue that listens and responds to user input to foster connection and rapport.
- Relationship-Oriented Persistence: Maintains conversational context across sessions to support ongoing relationship-building and continuity of interaction.
- Appreciation and Positive Feedback: Designed to provide affirming responses and appreciation to strengthen feelings of being heard and valued.
- Customizable Interaction (Persona Controls): Enables users to tune tone, boundaries, and interaction style so conversations match personal preferences for intimacy and comfort.
- Secure, User-Controlled Engagement: Focuses on letting users set the terms of interaction and intimacy to ensure comfortable, consensual conversational experiences.
- Multi-Modal Chat Support: Intended to support natural conversation formats (text and potentially voice) for more lifelike interactions and accessibility.
- Create and connect with a virtual AI partner via the evaapp.ai web service
- Natural conversational responses and attentive listening
- Focus on building appreciation, relationship and intimacy tailored to the user
- On-demand companionship and conversational interaction
Best for
- Companionship for Loneliness: Providing conversational company and emotional presence for users seeking regular, empathetic interactions.
- Safe Practice of Social Skills: Allowing users to rehearse conversations, practice flirting, or build confidence before real-world interactions.
- Emotional Venting and Support: Offering a non-judgmental partner for users to express feelings and receive appreciative, supportive responses.
- Exploring Intimacy on Terms: Enabling users to explore relationship dynamics or intimacy in a controlled, customizable environment.
- Personal Reflection and Journaling: Facilitating guided self-reflection through conversational prompts and attentive listening.
- Supplemental Conversational Coaching: Helping users develop communication habits, tone, and empathy via ongoing partner feedback.
- Personal companionship and emotional support
- Building and practicing interpersonal conversations
- Private conversational partner for users seeking appreciation or intimacy
- Supplemental conversational agent for loneliness or social-practice scenarios
R
Relay
Relay
AI phone receptionist that builds itself from a business's website to answer every call and book, reschedule, or cancel appointments 24/7.
Key features
- One-Click Build: Paste a website and Relay drafts the agent profile, knowledge base, prompt, and call wiring in about 38 seconds.
- 24/7 Call Answering: Picks up every call day or night in the caller's local time, with no voicemail or hold music.
- Real Calendar Booking: Checks live availability and writes appointments, reschedules, and cancellations directly to the business's existing booking system.
- Booking Integrations: Connects to 7+ systems including Google Calendar, Square, Calendly, Outlook, Housecall Pro, Workiz, and Vagaro with one sign-in.
- Grounded Answers: Answers caller questions from the business's own facts and knowledge base rather than guessing.
- No-Config Setup: Requires no dashboards, prompt engineering, or manual call-flow building.
Best for
- Missed-Call Recovery: Capture bookings from calls that would otherwise ring out when staff are busy or closed.
- Appointment-Based Businesses: Let salons, clinics, and home-service providers automate booking, rescheduling, and cancellations by phone.