LobbyStack

5.0(18 reviews)

Open-source AI receptionist for ready-to-book callers.

Freemium

LobbyStack Overview

What is LobbyStack?

LobbyStack is an Artificial Intelligence (AI) powered receptionist designed to efficiently manage inbound communication for businesses. It automates the process of answering calls, booking appointments, and routing urgent calls, ensuring your business won't miss valuable opportunities due to unanswered calls. The AI can be set to answer all calls or only operate when your team is unavailable, keeping the conversation going by answering complex questions and capturing important details. Integrations with calendars mean LobbyStack can handle availability checks and send automatic confirmations for booked appointments. It can take and understand customer's text messages, allowing clients to reschedule or cancel via SMS and responds accordingly. LobbyStack can also quickly route urgent calls or take clear reports if a live operator is preferred. Another feature of the platform is its ability to import knowledge from your business's key reference documents, so it can provide detailed responses in line with your existing customer service protocol. Sophisticated human handoff is in place to handling complex calls. To launch, connect your phone, import your knowledge sources, set the rules, and then take it go live. You remain in control with the ability to change what your AI receptionist knows and can do, and reviewing call transcripts, recordings, and more. Help other people by letting them know if this AI was useful. Add your own prompts and outputs to help others understand how to use this AI.

Screenshot gallery

LobbyStack screenshot

Pros & Cons

Pros

  • Open-source
  • 24/7 operation
  • Automates call answering
  • Reduces missed calls
  • Incoming call detail capture
  • Assists in booking/callback requests
  • Handles routine and urgent calls
  • Automatic calendar integration
  • Automatic booking and confirmation
  • Text message handling
  • Context comprehension
  • Regulation-adherent responses
  • Customizable responses
  • Adaptable Deployment
  • Transcript and recording review
  • Leads Qualification
  • Inbound Communication Management
  • Intelligent Call Routing
  • Customer text interaction
  • Efficient work organization
  • Operates on unavailability
  • Website and document referencing
  • Spreadsheet and FAQ sourcing
  • Human handoff system
  • Operator assistance
  • Availability management
  • Urgent call handling
  • Call transfer with reason
  • Incorporates business-specific knowledge
  • Automatic Confirmations
  • Automatic appointment booking
  • Sophisticated human handoff
  • Phone connectivity
  • Knowledge sources importing
  • Appointment context provision
  • Text replies to clients
  • Direct call routing
  • Calls capture interface
  • SMS-based rescheduling/canceling
  • Call rules configurability
  • Dashboard with actionable insights
  • Update business details independently
  • Record, transcript, summary review

Cons

  • No CRM integration yet
  • Limitations in complex call handling
  • Dependent on business scheduling availability
  • No automatic knowledge base updates yet
  • Limited supported calendar tools
  • Limited SMS interaction capabilities

A Professional Framework to Evaluate LobbyStack

When considering LobbyStack for integration into your organizational workflow, we recommend deploying a structured score card across three critical operational pillars: Security & Compliance, Integration Friction, and long-term Price Scalability. Rather than looking only at basic feature lists, modern procurement teams must assess how a software platform behaves under high load and how well it fits into the team's data security guidelines.

1. Security and Database Compliance

Depending on your operating region and field, ensure that LobbyStack supports standard security layers such as SOC 2 Type II certifications, GDPR compliance, or HIPAA-compliant database encryption. If the tool connects directly to client database tables or handles user passwords, verify that they implement multi-factor authentication (MFA), single sign-on (SSO) integrations, and end-to-end data encryption in transit and at rest.

2. API Coverage and Custom Integrations

Siloed data is the primary cause of operational friction. Evaluate if LobbyStack has native connectors for your current project trackers, messaging hubs, and customer communication channels. For custom developer requirements, check if they provide a fully documented REST API with reasonable rate limits, comprehensive Webhooks support, and robust SDK packages in your language. A flexible API layer saves hundreds of hours of manual copy-paste overhead.

3. Total Cost of Ownership (TCO)

SaaS pricing packages are often deceptively simple. When reviewing LobbyStack's billing structure, map out your team's projected expansion over the next 12 to 24 months. Determine how costs scale as your customer database increases or as you add team members. Factor in setup costs, mandatory support plan upgrades, API access fees, and storage overage rates to understand the true cost before committing to a contract.

By combining verified user reviews from our directory with internal workflow pilot tests, your procurement team can make an informed decision that drives productivity without creating capital waste.

Features of LobbyStack

  • AI Receptionist
  • Local
  • Appointment Booking
  • Automatic Scheduling
  • Call Handling
  • Receptionist Automation
  • Free + From $15/Mo

SaaS1to10 verified reviews for LobbyStack

Overall rating

5.0

Based on 18 reviews

5.02 weeks ago

Review

i love it i use it to teach me Italian and ukranian and programing ! and it awesome , because it allows you in the free version send many prints of your screen , not having to explain all the errors by typing diferent from gpt that you can only send 3 photos in the free version. i also use @Grok to study i frist make the exercise in my book then i take a photo of my exercise then i ask it to see if there is any mistake and dissipate my terryble handwriting it understands

fernand Lopes

5.02 weeks ago

Review

Thank you so much!

Nevo David

5.02 weeks ago

Review

I can't explain how impressed i am by this. I've seen tools to help you brainstorm ideas, but not one to break your task down into big steps, then little steps for each of these. Plus "games" to help come up with more ideas for your project. I'm excited to use this!

ImpulseOscar

5.02 weeks ago

Review

Ideal for stock-watchlist and not missing trade setups that correspond to my strategy.

Builder

5.02 weeks ago

Review

I rarely leave reviews, but Elsa amazed me. After a few weeks of using it, I'm still excited. Props, guys.

Anton

5.02 weeks ago

Review

The most humanly AI i have used so far but the problem is as soon as you start piling up messages in single chat session , it starts getting slow and at some point it starts freezing and also uses a lot of resources. For time being its okay to do 3 4 messages but as soon as we continue it has messages limitation and also starts getting very very slow . For the price of £18 per month this is unacceptable and with the newly introduced feature called project, if we start new chat within the project we cannot continue with the context we provided in other chats within same project. There are lot of improvements for them to work on. And to start with the its speed and its price

Bibash Katel

5.02 weeks ago

Review

It has everything that I need in one place: ChatGPT, Copywriting templates, AI Images, Audio Transcription.

Dmytro

5.02 weeks ago

Review

I think the software is really good.

Jiahui Zhou

5.02 weeks ago

Review

This tool i found is super cool, I created 5 books from this tool to sell them online, which gives me great profit. I am creating more valuable books to spread knowledge, and earn some bucks as well 🤑.

Bilal Ashraf

5.02 weeks ago

Review

Great! I think @AI Lawyer is the best service I've ever seen. Perfect use. Prompting helps in the work

Yuri Gerasimov

5.02 weeks ago

Review

State of the Art

Dmitry G.

5.02 weeks ago

Review

As the service was in beta-testing stage, I created there a dozen of AI-generated courses for free. I wanted to use them. Those courses remained in my account as they started subscription tiers. But recently I have found out that they were deleted. The support didn't answer to my e-mail at all.

Oldfag TV

5.02 weeks ago

Review

I think it's the best @Image Generator I ever found on the net. It gives more accurate image according to the prompt. And thank you for keeping it for free.

My Sawsiri

5.02 weeks ago

Review

Not at all accurate…. The only thing similar between original and generated images were the clothes and accessories… face was absolutely new and unconnected.

Shvetank Sharma

5.02 weeks ago

Review

Saved so much gdrive space it is insane!!

Brad Anderson

5.02 weeks ago

Review

Thanks! So happy to hear you're liking @FlowPost.

CodeConda

5.03 weeks ago

Review

Callie has helped us capture more bookings by answering calls we would have otherwise missed. As a small business owner, I am often with customers, working on jobs, or handling day-to-day operations, so I cannot always pick up the phone right away. Having Callie available to answer, respond intelligently, and help move customers toward booking has made a real difference. It gives us peace of mind knowing calls are being handled even when we are busy. It is practical, easy to use, and genuinely useful for businesses that rely on phone calls.

Xiaohui

5.03 weeks ago

Review

awesome bro keep helping users like that? Expecting more apps free from you!!!!!!!!!!!!!

sunilkumar pillai

Pricing

Starting Price

Free plan available

Free tier available with optional paid upgrades.

Where can LobbyStack be deployed?

  • Cloud, SaaS, Web-Based

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