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OpenPhone Review

OpenPhone, recently rebranded as Quo, is a cloud-based virtual phone system featuring the Sona AI agent, designed to provide businesses with a professional phone presence and automate call handling.

shipped Jul 15, 2026automatepaid
AutomateOrchestrationAI Receptionists
OpenPhone — product screenshot

Why it matters

1OpenPhone (Quo) offers a Sona AI agent for 24/7 autonomous call handling.
2Pricing includes a free tier with 1,000 credits (10 calls) and paid tiers up to $199/month for 60,000 credits (600 calls).
3The platform supports multi-level phone menus (IVR) and offers an API with a rate limit of 10 requests per second.
4It provides shared inboxes for calls and texts, accessible via web, iOS, Android, and desktop applications.

Specs

API Docs

View Documentation →

API Available

Yes, public API

overview

What is OpenPhone?

OpenPhone is an AI receptionist tool developed by OpenPhone (rebranded as Quo) that enables small business owners, busy teams, and startups to autonomously handle calls round the clock. Its Sona AI agent captures messages, answers questions, and offers customizable settings for call flow management.

features

Key Features of OpenPhone

OpenPhone, through its Sona AI agent and core platform, provides a suite of features designed to streamline business communication and automate customer interactions.

  • Autonomous 24/7 call handling by the Sona AI agent.
  • Customizable call flow builder and multi-level phone menus (IVR).
  • Detailed call tracking, logging, and an enhanced analytics dashboard.
  • Call recording and AI-powered summarization and transcription.
  • Shared inbox for calls, texts (SMS/MMS), and voicemails across team members.
  • Voicemail-to-text transcription.
  • Warm transfer and call hold with music.
  • API access for integration with other business tools, including webhook events for Quo Tasks.
  • Spam protection and security enhancements.

use cases

Who Should Use OpenPhone?

OpenPhone (Quo) is primarily designed for businesses seeking to professionalize their phone presence, automate customer interactions, and improve team collaboration on communications.

  • Small business owners and startups needing a dedicated business number without physical hardware.
  • Busy teams with high call volume aiming to reduce missed calls and streamline lead capture.
  • Businesses requiring a 24/7 AI voice agent to answer frequently asked questions (FAQs) and collect pertinent information from callers.
  • Distributed teams needing a centralized platform for calls, texts, and internal notes.
  • Companies looking to replace personal numbers with professional business lines and separate work/personal communications.

how to use

How to Use OpenPhone

Utilizing OpenPhone (Quo) involves setting up a business number, configuring call flows, and integrating the Sona AI agent to manage incoming communications.

  • 1Sign up for an OpenPhone (Quo) account and select a local or toll-free business number.
  • 2Install the OpenPhone application on desktop (Mac/Windows), web, iOS, or Android devices.
  • 3Configure call routing rules, team member assignments, and shared inbox settings.
  • 4Customize the Sona AI agent's responses, questions, and information collection parameters within the call flow builder.
  • 5Integrate with other business tools like HubSpot using the available API.
  • 6Monitor call logs, summaries, and analytics via the dashboard for performance insights.

pricing

OpenPhone Pricing & Plans

OpenPhone (Quo) operates on a tiered subscription model with usage-based overage charges, offering various plans to accommodate different call volumes and feature requirements.

  • Tier 1: $0 /month, includes 1,000 credits (10 calls), overage rate $1.00 per call.
  • Tier 2: $25 /month, includes 4,000 credits (40 calls), overage rate $0.75 per call.
  • Tier 3: $49 /month, includes 10,000 credits (100 calls), overage rate $0.65 per call.
  • Tier 4: $99 /month, includes 25,000 credits (250 calls), overage rate $0.55 per call.
  • Tier 5: $199 /month, includes 60,000 credits (600 calls), overage rate $0.45 per call.
  • Message segments for US and Canadian messages are priced at $0.01 per segment beyond included credits.

Pros

  • +Integrated Sona AI agent provides 24/7 autonomous call handling, message capture, and FAQ answering.
  • +Offers a professional business phone presence (local/toll-free numbers) on existing devices, separating personal and work communications.
  • +Shared inbox functionality centralizes calls, texts, and voicemails for team collaboration and ensures no missed interactions.
  • +Features like AI call summaries, voicemail-to-text, and multi-level IVR automate manual tasks and streamline communication.
  • +Affordable for small teams and startups, with a free tier available for limited usage.
  • +API access allows for integration with other business tools like HubSpot.

Cons

  • −The per-user pricing model can become costly and inefficient for growing teams, especially if multiple employees share one number.
  • −"Unlimited" U.S./Canada calling has fair-use caps (e.g., 3,000 messages and 1,000 minutes per user per month).
  • −Number porting (in and out) can be slow, cumbersome, and sometimes difficult, potentially taking weeks.
  • −Customer support has been reported as slow, with difficulties reaching live agents and unresolved tickets.
  • −Lacks some advanced features found in larger VoIP systems, such as call coaching, voicemail drop, real-time speech analytics, comprehensive call queueing, and video conferencing.
  • −Setup process can be invasive, requiring detailed business information and government ID.

Policies

Free Tier

Vendor website advertises a free tier.

Pricing Page

View Pricing→

Similar Tools

OpenPhone vs Competitors

OpenPhone (Quo) positions itself as a modern, AI-enhanced VoIP solution for small to mid-sized businesses, differentiating through its integrated Sona AI agent and comprehensive business phone system features.

1
SynthflowOn StorkCompare

Synthflow offers a no-code platform for building and deploying highly customizable AI answering assistants capable of human-like conversations and taking actions like booking appointments.

Synthflow focuses on providing a platform for building advanced, customizable AI answering services, whereas OpenPhone's Sona is an integrated AI receptionist feature within its broader business phone system. Synthflow's pricing starts from $29/month for 50 minutes, while OpenPhone's Sona is an add-on to its plans.

2
GoodcallOn StorkCompare

Goodcall provides a flat-rate AI phone assistant with unlimited minutes, designed for budget-conscious small businesses needing basic call answering, lead capture, and FAQ resolution.

Goodcall offers a simpler, budget-conscious AI phone agent with flat-rate pricing and unlimited minutes, ideal for small businesses with straightforward needs. OpenPhone's Sona is integrated into a full phone system and offers more advanced call flow automation within that ecosystem.

3
Smith.aiOn StorkCompare

Smith.ai uniquely blends AI call handling with the option for live human agents to step in for more complex interactions, offering a hybrid approach to virtual reception.

Smith.ai provides a hybrid model of AI and human receptionists, catering to businesses that desire a human touch for certain calls, while OpenPhone's Sona is purely AI-driven. Smith.ai's pricing is typically higher due to the human element, starting around $95/month for 50 calls.

4
Rosie AI↗

Rosie AI is a budget-friendly AI phone answering service specifically designed for small businesses and trades, offering quick setup and bilingual support.

Rosie AI is positioned as an affordable, easy-to-set-up AI answering service for small businesses, particularly in trades, with flat-rate pricing. OpenPhone's Sona is part of a more comprehensive business phone system, offering broader communication features alongside its AI receptionist.

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