# Phone Stack Software Pricing, Alternatives & More 2026 | Capterra > With the help of Capterra, learn about Phone Stack Software - reviews, pricing plans, popular comparisons to other Conversational AI Platform products and more. Source: https://www.capterra.com/p/10041393/Phone-Stack --- # Phone Stack Software Review 2026: Features, Reviews, Integrations, Pros & Cons Last updated on June 3, 2026 Provider data verified by our Software Research team, and reviews moderated by our Reviews Verification team. [Description](#description)[Use cases](#use-cases)[Alternatives](#alternatives)[FAQs](#faqs)[Features](#features)[Pricing](#pricing)[Integrations](#integrations)[Support](#support) Phone Stack ## What is Phone Stack? Phone Stack is an AI phone agent platform built for outbound contact centers. Unlike traditional dialers, Phone Stack gives each campaign a goal — collect a payment, book a demo, confirm an appointment — and deploys an AI voice agent to pursue it automatically across calls, email, and webhooks. Your AI calling agent handles the full conversation, sends follow-up emails, schedules meetings on your calendar, and triggers CRM or billing webhooks in real time. No scripts to manage. No seat fees. No contracts. Built for operations teams, collections departments, and sales teams that need outbound call automation without the overhead of a legacy contact center. Phone Stack replaces manual follow-up on overdue invoices, appointment reminders, and lead qualification calls with an AI agent that works 24/7. Compliance is built in — consent tracking, opt-out handling, AI disclosure, and full audit trails included on every plan. ## What is Phone Stack used for? [Conversational AI Platform](https://www.capterra.com/conversational-ai-platform-software/) Top alternative Featured Overall rating Based on 0 user reviews Reviews sentiment Positive \- Neutral \- Negative \- Starting price $15 Usage Based, One Time Free trial available Includes Free Version Capterra Shortlist charts the highest-rated and most popular products... Our "Best of" badge program showcases products with the highest ratings... Our "Best of" badge program showcases products with the highest ratings... Do you work for Phone Stack?[Manage this product listing](https://digitalmarkets.gartner.com/get-listed/claim-bx?url=https://phonestack.com/&name=Phone Stack) ## Compare with a popular alternative Capterra selects software alternatives based on relevant features, verified user reviews and user interactions. Placement may be influenced by client status. ### Phone Stack 0.0 VS. [4.5 (487)](https://www.capterra.com/p/5923/Celoxis/reviews/) Starting Price $15 Usage Based, One Time Starting Price $10 Per User, Per Month Free Trial Free Version Pricing Options Free Trial Free Version Ease Of Use 0.0 (0) Ease Of Use 4.4 (487) Value For Money 0.0 (0) Value For Money 4.4 (354) Customer Service 0.0 (0) Customer Service 4.5 (425) ## Phone Stack alternatives Highest Rated [5.0 (808)](https://www.capterra.com/p/276054/Fathom/reviews/) Starting price $15.00 Per User, Per Month Pricing Options Free Trial Free Version User Rating 100% of reviewers rated it above 4 stars [UChat](https://www.capterra.com/p/239947/UChat/) [4.9 (73)](https://www.capterra.com/p/239947/UChat/reviews/) Starting price $10.00 Per User, Per Month Pricing Options Free Trial Free Version User Rating 99% of reviewers rated it above 4 stars [Learn More](https://www.capterra.com/p/239947/UChat/) [Compass](https://www.capterra.com/p/10041681/Compass/) [5.0 (20)](https://www.capterra.com/p/10041681/Compass/#reviews) Starting price $5000.00 Per User, Per Month Pricing Options Free Trial Free Version User Rating 100% of reviewers rated it above 4 stars [Learn More](https://www.capterra.com/p/10041681/Compass/) [Darwin AI](https://www.capterra.com/p/10020420/Darwin-AI/) [4.8 (17)](https://www.capterra.com/p/10020420/Darwin-AI/reviews/) Starting price Contact vendor for pricing Pricing Options Free Trial Free Version User Rating 100% of reviewers rated it above 4 stars [Learn More](https://www.capterra.com/p/10020420/Darwin-AI/) ## FAQs about Phone Stack Overview ### What company size and specific industries is Phone Stack built for? Phone Stack is designed for small, mid-sized, and larger organizations that need to manage customer outreach, especially customer support, sales, billing and collections, and service and operations teams. It fits companies that handle frequent phone-based communication and need a shared system for team calling and follow-up. Features and Usability ### What are the key features of Phone Stack? Phone Stack offers AI/Machine Learning, natural language processing, speech recognition, and intent recognition for automated conversation handling. It also includes chat/messaging, live chat, chatbots, autoresponders, and multi-channel communication, plus API access, CRM integration, real-time data, and real-time monitoring for managing customer interactions. Pricing ### How much does it cost and what fees or limitations are included? Phone Stack starts at $15 one time for the Starter plan, which includes 60 minutes of AI talk time and credits that never expire. Growth costs $225, Scale costs $1,000, and Enterprise requires contacting sales. A free trial is available. Integrations ### Which third-party tools and platforms does Phone Stack integrate with? Phone Stack integrates with Calendly, Gmail, Google Calendar, and Outlook Email Extractor. These catalog integrations cover scheduling, email, and calendar workflows, giving Phone Stack connections to widely used communication and appointment tools. Getting Started and Support ### What training and onboarding options does Phone Stack offer? Phone Stack provides webinars and documentation for team training and onboarding. Webinars support live, guided instruction, while documentation offers written reference material for self-paced review and setup guidance. These formats give users access to both interactive and reference-based learning resources. Getting Started and Support ### What customer support options does Phone Stack offer? Phone Stack provides email/help desk, knowledge base, phone support, and chat. No reviewer feedback is available for support, so there is no verified user sentiment to report about response times, helpfulness, or common frustrations. ## Features Features with the highest number of reviews are displayed first. Those that have no reviews appear next, sorted alphabetically. AI/Machine Learning Software program that continuously adjusts its behavior based on observed data API Application programming interface that allows for integration with other systems/databases Autoresponders Create and automatically send premade copy in response to customer messages Chatbot AI-based platform which conducts a conversation via auditory or textual methods Chat/Messaging Communicate using direct chat or messages within the system CRM Built-in customer relationship management (CRM) capabilities or integration with a third-party CRM system Phone Stack 13 features Software program that continuously adjusts its behavior based on observed data Application programming interface that allows for integration with other systems/databases Create and automatically send premade copy in response to customer messages Communicate using direct chat or messages within the system AI-based platform which conducts a conversation via auditory or textual methods Built-in customer relationship management (CRM) capabilities or integration with a third-party CRM system Helps understand a user's intentions/actions Ability to chat online in real time Allows communication with customers or users via multiple channels such as phone, email, live chat, etc. Process and analyze human language in text or audio form Receive data and information in real time Active monitoring of systems, applications, or networks Train your system to interpret and transcribe voice messages Get Advice We can help you find the software with the features you need. ## Pricing Free Trial Starter $15.00 Usage Based,One Time It includes: - 60 minutes of AI talk time - Call recording & transcription - Post-call emails - Consent tracking & opt-out handling - Email support Growth $225.00 Usage Based,One Time It includes: - 1,000 minutes of AI talk time - Everything in the Starter Plan - Auto-refill when credits run low - Priority support Scale $1,000 Usage Based,One Time It includes: - 5,000 minutes of AI talk time - Everything in the Growth Plan - API access - Advanced analytics ## Integrations [ Gmail](https://www.capterra.com/p/202338/Gmail/)[ Google Calendar](https://www.capterra.com/p/213340/Google-Calendar/)[ Calendly](https://www.capterra.com/p/148036/Calendly/)[ Outlook Email Extractor](https://www.capterra.com/p/10002490/Outlook-Email-Extractor/) Connect with a Capterra advisor for a free 15-minute consultation Get a personalized software list aligned to your business needs with guidance from our expert advisors. Our team has helped 1 million+ businesses like yours find options that fit their needs. ## Support, customer service and training options Support - Email/Help Desk - FAQs/Forum - Knowledge Base - Phone Support - 24/7 (Live rep) - Chat Training - In Person - Live Online - Webinars - Documentation - Videos Deployment - Web - Android - iPhone/iPad Typical users - Freelancers - Small businesses - Mid size businesses - Enterprises ## Top-rated software of 2026 ### Fill out the form and we'll send a list of the top-rated software based on real user reviews directly to your inbox.