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About

LobbyStack is open-source AI receptionist software for small businesses. It answers inbound phone calls, handles SMS, captures messages and caller details, books, reschedules, and cancels appointments, answers questions from business knowledge, and transfers conversations to a person when needed. Teams manage business hours, services, availability, knowledge, calls, transcripts, recordings, tasks, appointments, and customer conversations from one web dashboard. Use LobbyStack as a hosted cloud service or self-host the AGPL-3.0-only source code. Current product information, documentation, and pricing are available from the product homepage.

About

Penelope is a secure, natural-sounding AI receptionist built to answer calls instantly, qualify every caller, and book the ones worth a business’s time, 24/7. It is set up around each company’s tone, greetings, call flows, qualification criteria, and booking logic, so every caller receives a consistent experience that reflects the business. Penelope answers on the first ring, asks only the questions the business needs answered, then books a meeting or takes a detailed message. It can check real-time calendar availability, confirm appointments, and avoid double-booking or lost instructions. When a conversation needs a real person, Penelope can transfer the caller directly to the appropriate team member; if no one is available, it records a detailed message, sends it immediately, and tells the caller when to expect a response. Built-in guardrails keep conversations within approved boundaries, so the AI does not improvise, speculate, or provide information the business has not authorized.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Small businesses, local service companies, clinics, salons, repair shops, consultants, agencies, home service teams, and appointment-based businesses that need an AI receptionist to answer calls, reply to texts, manage bookings, and handle customer follow-ups.

Audience

Professional services firms and small businesses in need of a tool to answer calls, qualify leads, schedule appointments, and escalate important enquiries

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$30/month
Free: $0/month. Includes 30 voice minutes, 2 outbound call attempts, 10 alert SMS segments, and 25 MB of knowledge storage.

Starter: $30/month, or $24/month billed annually. Includes 150 voice minutes, then $0.20/minute; 20 outbound call attempts, then $0.02/attempt; 50 alert SMS segments, then $0.02/segment; 100 MB of knowledge storage; one dedicated business number; and email support.

Pro: $100/month, or $80/month billed annually. Includes 500 voice minutes, then $0.18/minute; 100 outbound call attempts, then $0.02/attempt; 200 alert SMS segments, then $0.02/segment; 500 MB of knowledge storage; one dedicated business number; and priority email support.

Enterprise: Custom pricing for higher volume, multiple dedicated numbers, multi-location routing, custom fallback rules, and dedicated implementation support.
Free Version Supported
Free Trial Not Supported

Pricing

$64.71 per month
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

LobbyStack
Founded: 2025
Canada
lobbystack.com

Company Information

Penelope
United States
callpenelope.ai/

Alternatives

Alternatives

DeskCaller

DeskCaller

Conovo Ltd
PhoneFlow

PhoneFlow

Electric Software

Categories

AI Receptionists Supported

Categories

Integrations

Google Calendar Supported
Microsoft Outlook Supported

Integrations

Google Calendar Not Supported
Microsoft Outlook Not Supported
Claim LobbyStack and update features and information
Claim LobbyStack and update features and information
Claim Penelope and update features and information
Claim Penelope and update features and information