Quo Review (2026)

We evaluated Quo's shared business phone, call routing, Sona AI agent, team inbox, and per-user pricing. Here's what 90,000+ businesses - including Supabase, Keller Williams, Clipboard Health, the Chicago Bears, and 1-800-Got-Junk - actually get from this formerly-OpenPhone platform.

8.4/10
Best Business Phone System for SMBs - Shared Inbox, Sona AI, Exceptional Support Responsiveness
S
By StackArbiter Editors
Updated May 2026
9 hrs researched
Prices verified May 2026
Quick Verdict
The cleanest shared business phone for growing teams - calls, texts, and AI after-hours coverage from $15/user/month

Quo (formerly OpenPhone) is a shared business phone system that gives teams one number and one inbox for calls, texts, and voicemails - so customers always reach someone and no conversation history is lost when an agent is unavailable. 90,000+ businesses use it, including Supabase, Keller Williams, Clipboard Health, 1-800-Got-Junk, and the Chicago Bears. The platform carries a 4.7-star rating from 3,300+ verified app store reviews. Sona, Quo's AI agent, answers calls when your team is unavailable, collects customer information, and routes calls - providing 24/7 call coverage without a human on duty. The platform runs on iOS, Android, macOS, Windows, and web, so your business number is available from any device.

Quo is not a ticketing helpdesk - it handles phone calls, SMS messaging, and voicemails, not email tickets or live chat. Teams that use Quo typically pair it with an email-first helpdesk for a complete support stack. Pricing starts at $15/user/month (annual) on the Starter plan, which includes unlimited calling and messaging to US and Canadian numbers. Business ($23/user/month annual) is the most popular tier and adds AI call summaries, auto recording, CRM integrations, and phone menus. SMS messaging in the US requires a one-time Campaign Registry (TCR) registration fee of $19.50 plus $1.50-$3/month per use case - a standard carrier compliance cost that applies to all business SMS platforms. Quo responds to 100% of negative independent user reviews within 48 hours - the best response rate in the support category.

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Our scoring

How Quo scores

Six weighted axes, same rubric we use on every tool. Score = weighted average, not vibes.

8.4
Overall score
Weighted across 6 criteria
Setup & Onboarding
Business number in minutes, 7-day trial, free number porting, mobile + desktop apps
4.4
Day-to-Day UX
4.7-star app rating, shared team inbox, call summaries, clean mobile and web interface
4.4
Feature Depth
VoIP + SMS + Sona AI + recording + CRM integrations; phone-only, no ticketing
4
Customer Support
100% response rate on negative reviews within 48h - exceptional for the category
4.3
Price-to-Value
$15/user annual is competitive; Business at $23 adds AI + recording + CRM; SMS fees apply
4.3
Data Portability
API on all plans, call recordings exportable, number porting in and out, CRM sync
3.8
Honest breakdown

Pros & Cons

Everything we found - after 9 hours of research and analysis.

What Quo nails

  • Shared team inbox for calls, texts, and voicemails - one business number, multiple team members handling conversations with full history visible to all, eliminating the coordination gap of using personal phones for business
  • Sona AI agent included on all plans - answers calls when the team is unavailable, collects customer information, and routes to the right person; 1,000 free automation credits (10 calls) included monthly with every subscription
  • 4.7-star rating from 3,300+ verified reviews across app stores - among the highest user satisfaction scores in any business phone category, reflecting consistent experience quality across mobile and desktop
  • 100% response rate on negative independent user reviews within 48 hours - the best response rate in the support tools category; the company actively addresses complaints rather than ignoring them
  • $15/user/month annual entry is genuinely competitive - the Starter plan includes unlimited US and Canadian calling and messaging, voicemail transcripts, API access, and Sona AI on a per-user model with no conversation or seat caps
  • Business at $23/user/month adds AI call summaries and transcripts, auto call recording, phone menus, analytics, and HubSpot + Salesforce integrations - capabilities that enterprise phone systems charge significantly more to include
  • Number porting free on setup - bring your existing business phone number to Quo with clear steps and support through the cutover process; no downtime required
  • Available on every major platform - iOS, Android, macOS, Windows, and web; the business number is available from any device without a hardware phone or on-premises PBX

Where it falls short

  • Phone and SMS only - Quo does not handle email tickets, live chat, or knowledge base self-service; teams that want a full-stack customer support operation need a separate helpdesk alongside Quo
  • SMS messaging in the US requires Campaign Registry registration - a $19.50 one-time fee plus $1.50-$3/month per use case for carrier compliance; this is industry-standard but adds to the effective monthly cost and requires a registration process before texting is fully enabled
  • Sona AI agent credits are limited on the free tier - 1,000 included credits per month handles 10 AI calls; businesses with high after-hours call volume need to purchase additional credit tiers starting at $25/month for 40 calls
  • AI call summaries and transcripts require the Business tier - the $15 Starter plan does not include AI post-call summaries; teams that want to review every call and share context across the team need Business ($23/user/month) or above
  • Account flagging for call volume patterns - verified users report accounts being flagged as suspicious when call volumes change, creating operational disruption for legitimate businesses experiencing growth or campaign activity
  • International calling is an add-on - Quo's per-minute and per-message rates apply for countries beyond the US and Canada; businesses with frequent international calling need to model those costs separately
Fit check

Who should - and shouldn't - use it

Quo is excellent for a specific profile. Being honest about the mismatch saves you a painful migration later.

Great fit for you if…

  • Small and growing businesses that want a professional business phone number shared across a team - without giving employees personal numbers, without buying hardware, and without managing a PBX
  • Sales and support teams that handle a significant portion of customer interactions by phone and SMS, and need full conversation history visible to whoever picks up next
  • Businesses that want 24/7 call coverage without 24/7 staffing - Sona AI handles after-hours calls, collects information, and routes to the right person so no call is fully missed
  • Teams already using HubSpot or Salesforce who want calls, texts, and voicemails automatically logged to the CRM without manual entry

Skip Quo if…

  • Your support operation is primarily email-based - Quo handles calls and SMS, not email tickets; teams that measure support by ticket resolution time, CSAT per ticket, or SLA on email response need a dedicated helpdesk
  • You handle frequent international calling beyond the US and Canada - Quo's core pricing covers North American calling; international calling at per-minute rates can add meaningful cost for globally active teams
  • You need a contact center with advanced agent management, call queuing for large teams, detailed workforce analytics, or inbound call center SLAs - Quo is designed for small-to-midsize teams, not enterprise contact center operations
  • Your team sends high volumes of SMS messages to customers - the Campaign Registry registration requirement and monthly messaging fees add cost and compliance overhead that becomes significant at scale
Plans & value

What Quo actually costs

Prices verified May 2026. See pricing page for current rates.

Starter
$15/mo
Phone number per user1 (local or toll-free)
US & Canada callingUnlimited*
US & Canada messagingUnlimited*
Voicemail transcripts
Sona AI agent1,000 credits
AI call summaries + transcripts
Auto call recording
Phone menus (IVR)
Analytics and reporting
HubSpot + Salesforce
AI call tags
Inbound phone support
Quo pricing is per-user per-month. Annual rates: Starter $15/user, Business $23/user (most popular), Scale $35/user. Monthly rates are higher: Starter $19, Business $33, Scale $47. All plans include unlimited calling and messaging to US and Canadian numbers, voicemail transcripts, API access, email support, and Sona AI agent (1,000 free automation credits = 10 calls per month). SMS messaging requires Campaign Registry (TCR) registration: $19.50 one-time fee plus $1.50-$3/month per use case. International calling is an add-on at per-minute/per-message rates. Sona AI additional credits: $25/mo (40 calls), $49/mo (100 calls), $99/mo (250 calls), $199/mo (600 calls). 7-day free trial, cancel anytime. Pricing verified from quo.com/pricing, May 2026.
Prices shown in USD (US market). Regional pricing may differ.
check current pricing →
FeatureStarter Most popular BusinessScale
Price/ user / mo · annual$15$23$35
Phone number per user1 (local or toll-free)1 (local or toll-free)1 (local or toll-free)
US & Canada callingUnlimited*Unlimited*Unlimited*
US & Canada messagingUnlimited*Unlimited*Unlimited*
Voicemail transcripts
Sona AI agent1,000 credits1,000 credits1,000 credits
AI call summaries + transcripts
Auto call recording
Phone menus (IVR)
Analytics and reporting
HubSpot + Salesforce
AI call tags
Inbound phone support
Quo pricing is per-user per-month. Annual rates: Starter $15/user, Business $23/user (most popular), Scale $35/user. Monthly rates are higher: Starter $19, Business $33, Scale $47. All plans include unlimited calling and messaging to US and Canadian numbers, voicemail transcripts, API access, email support, and Sona AI agent (1,000 free automation credits = 10 calls per month). SMS messaging requires Campaign Registry (TCR) registration: $19.50 one-time fee plus $1.50-$3/month per use case. International calling is an add-on at per-minute/per-message rates. Sona AI additional credits: $25/mo (40 calls), $49/mo (100 calls), $99/mo (250 calls), $199/mo (600 calls). 7-day free trial, cancel anytime. Pricing verified from quo.com/pricing, May 2026.

Prices shown in USD. Regional pricing may differ - www.quo.com/pricing
In depth

The full review

Axis-by-axis, in the order that matters most.

01 · Setup
Score 4.4 / 5

Business number ready in minutes, free number porting, 7-day trial - no hardware, no on-site setup

Setup starts at signup: choose a local or toll-free US or Canadian number (or start a port of your existing number), add team members, and the shared inbox is live. The entire process from account creation to receiving your first business call takes minutes on any device - iOS, Android, macOS, Windows, or web browser. The 7-day free trial requires no credit card commitment, with Quo sending a reminder before the trial ends. Number porting - bringing an existing business phone number to Quo - is included at no additional cost with guided steps and support through the cutover, minimizing downtime for businesses switching from another VoIP provider.

The 2-minute getting-started video linked on the pricing page reflects genuine product simplicity. Sona AI configuration - setting what Sona says when it answers, what information it collects, and how it routes calls - is done through the Quo dashboard without technical setup. Call flow builder allows routing rules by team, business hours, or inbound call type. Verified users consistently describe the setup experience as one of the product's strengths: 'Made juggling multiple business lines much easier. Staff don't have to have a separate phone.' Note that US SMS messaging requires a Campaign Registry (TCR) registration - a one-time $19.50 fee paid to a third-party agency for carrier compliance - before texts reach AT&T, T-Mobile, and Verizon reliably. This registration can take several business days and should be initiated at account creation.

02 · Day-to-Day UX
Score 4.4 / 5

Shared inbox with full conversation history - clean mobile and desktop apps that carry a 4.7-star rating from over 3,300 reviews

The core Quo workflow is a shared inbox: one business number, one team queue. Every call, text, and voicemail appears in the shared inbox with the full customer conversation history - the previous call transcript, prior texts, and voicemail recordings all visible before the next interaction. Team members can see who is handling which conversation, preventing the duplicate-response problem common when multiple people share a business phone. Business-tier users see AI call summaries immediately after each call: a brief text summary of what was discussed, any commitments made, and suggested next steps - reducing the post-call note-taking overhead for outbound sales and support teams.

The mobile apps (iOS and Android) carry the 4.7-star average that Quo highlights on its homepage. Verified users describe the interface as 'easy access,' 'easy to converse,' and a tool that lets staff communicate from any device without exposing personal phone numbers. The web and desktop apps (macOS, Windows) extend the same interface to non-mobile workflows. Call flow builder - configured through the Quo dashboard - handles routing: by team, by business hours, by specific inbound number. Sona AI answers when no team member is available, collecting the caller's name, reason for calling, and any other specified information, and routes based on the call content.

03 · Feature Depth
Score 4.0 / 5

Solid VoIP with AI agent, team inbox, CRM integrations, and call recording - purpose-built for calls and texts, not ticketing

Quo's feature set covers the standard requirements for a shared business phone: unlimited calling and messaging to US and Canadian numbers, one dedicated number per user (shareable), voicemail with transcripts, call recording (Business and above), phone menus for IVR routing, call flow builder for team routing logic, and Sona AI for after-hours coverage and call routing. The Business tier's HubSpot and Salesforce integrations automatically log calls, transcripts, and SMS messages to the CRM contact record - eliminating manual logging for sales teams that live in their CRM. Analytics on Business and above cover missed calls, response times, and team activity - the metrics relevant to managing inbound phone operations.

Feature depth has a clear ceiling: Quo does not include email ticketing, knowledge base, live chat, or a customer-facing self-service layer. This is by design - Quo is a business phone system, not a full-service support platform. Teams that need both phone and email support typically run Quo alongside a helpdesk. The Quo API (included on all plans) enables custom integrations, webhook-driven workflows, and programmatic control over call handling and message retrieval - relevant for developers who want to embed Quo data in custom CRMs or reporting tools. Scale-tier AI call tags automatically categorize calls by topic, reason, or outcome - useful for analytics teams that want to understand call content patterns without manually reviewing recordings.

04 · Customer Support
Score 4.3 / 5

100% response rate on negative reviews within 48 hours - the best vendor support responsiveness in the category

Quo responds to 100% of negative independent user reviews within 48 hours - the highest response rate in the support tools category. This is not a marginal differentiation: Freshdesk replies to a fraction of negative reviews, Zendesk at approximately 50%, Gorgias at 25%. Quo's 100% reply commitment reflects a company culture that treats every critical review as a service ticket rather than noise. Verified user reports describe support as 'quick and friendly,' 'quick response and resolved the problem,' and 'understanding when issues arise.' The priority live chat support on Business tier and inbound phone support on Scale reflect tiered service access that scales with subscription level.

The documented friction points in user feedback are account flagging and number porting issues. Quo flags accounts that show unusual call volume patterns - a policy designed to prevent spam but that affects legitimate businesses experiencing call volume growth or running marketing campaigns. Verified users describe the flagging experience as frustrating and disruptive when it occurs without clear explanation. Number porting issues - delays or complications bringing numbers from other carriers - appear in a portion of reviews, though Quo addresses these directly in replies. The company's responsiveness to these complaints suggests active escalation paths rather than systematic neglect.

05 · Price-to-Value
Score 4.3 / 5

$15/user annual entry with AI agent included - the Business tier at $23 is where most teams find the right balance of features and cost

Quo's $15/user/month annual starting price is competitive for a shared business phone system. At Starter, the plan includes unlimited US/Canadian calling and messaging, a dedicated number, voicemail transcripts, API access, and Sona AI - a feature set that legacy business phone systems charge considerably more to provide without AI capabilities. The Business tier at $23/user/month adds AI call summaries, auto recording, phone menus, analytics, and CRM integrations - capabilities that justify the $8/user/month difference for teams that rely on call documentation and CRM logging. For a team of 5 agents on Business, the annual cost is $1,380 - a manageable investment for a professional shared business phone system.

The additional cost components require modelling: SMS messaging's TCR registration ($19.50 one-time + $1.50-3/month per use case) is an unavoidable carrier compliance fee that applies to all business SMS platforms, not a Quo-specific markup. International calling costs apply at per-minute rates beyond the included US/Canadian coverage. Sona AI's 1,000 free credits (10 calls per month) are sufficient for light after-hours coverage; businesses with heavier AI call handling - overnight coverage for a high-volume inbound line - need to budget additional credits starting at $25/month for 40 calls. The total cost of a properly configured Quo deployment (Business plan + SMS setup + Sona credits for moderate volume) for a 5-person team runs approximately $200-250/month - competitive against traditional VoIP systems with fewer AI capabilities.

06 · Data Portability
Score 3.8 / 5

API included, call recordings exportable, number porting both ways - CRM sync keeps business data out of Quo's walled garden

Quo includes API access on every plan - calls, messages, voicemails, and contacts are all accessible programmatically from the Starter tier upward. Call recordings (available on Business and above) are downloadable from the Quo dashboard and via API. Number porting out of Quo - taking your phone number with you when switching to another provider - follows the standard carrier porting process rather than any platform-specific restriction. The HubSpot and Salesforce integrations on Business and above mean that call logs, transcripts, and SMS threads are automatically written to your CRM records, keeping the substantive business data in your existing systems rather than exclusively in Quo.

Switching away from Quo primarily involves operational configuration rebuilding - call flows, Sona AI scripts, phone menu structures, and team routing logic are Quo-specific and need to be recreated on any new platform. The underlying business data - the call recordings, message history, and customer contact records - is portable through exports and CRM sync. One practical switching consideration: the Campaign Registry (TCR) registration for SMS is tied to your brand, not to Quo; if you switch to another SMS-capable business phone system, the TCR registration process starts over with a new one-time fee.

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Before you buy

Quo questions

The questions readers ask before they sign up.

What is the difference between Quo and a traditional business phone system?
Traditional business phone systems require hardware (desk phones, on-premises PBX servers) or complex VOIP configurations managed by IT. Quo is software-only - your existing iOS, Android, Mac, Windows, or web browser becomes your business phone. The key advantage is the shared team inbox: when a customer calls or texts your business number, every team member sees the full conversation history, and anyone can respond without the customer noticing they are talking to a different person. Quo also includes Sona AI for after-hours call handling, call summaries, and automatic CRM logging - features that traditional business phone systems do not provide without additional services.
What is Sona and how does it handle calls after hours?
Sona is Quo's AI agent - a voice AI that answers calls when your team is unavailable. When a customer calls outside your business hours, Sona picks up, introduces itself as your business's assistant, collects the caller's name, callback number, and reason for calling, and either routes the call or notifies the appropriate team member to follow up. Sona is included on all Quo plans with 1,000 free automation credits per month (10 calls). Additional credits are available starting at $25/month for 40 calls. Sona's greeting and information collection script are customizable through the Quo dashboard without technical setup.
Why is there a Campaign Registry fee for SMS, and how much does it cost?
The Campaign Registry (TCR) is a third-party agency required by the major US mobile carriers (AT&T, T-Mobile, Verizon) to register all businesses that send text messages to their customers. Registration costs a one-time fee of $19.50 for the initial review. After registration, a monthly maintenance fee of $1.50-$3 per use case applies. This fee is not a Quo revenue item - it goes to The Campaign Registry. All business SMS platforms in the US require this registration; it is industry-standard carrier compliance, not a Quo-specific cost. Without registration, messages to US carriers may be filtered or blocked. Registration typically takes several business days to process.
Does Quo replace a helpdesk like Freshdesk or Zendesk?
No - Quo handles phone calls, SMS messages, and voicemails. Helpdesks like Freshdesk and Zendesk handle email tickets, live chat, knowledge bases, and SLA management. They address different channels. Many teams use both: Quo for phone and SMS customer communication, and a helpdesk for email and ticketing. Quo's HubSpot and Salesforce integrations on Business tier help bridge the two by logging call activity to the CRM that your helpdesk likely also integrates with, keeping customer history connected across systems.
Can I keep my existing business phone number when switching to Quo?
Yes - number porting is included at no additional cost. You bring your existing business number to Quo through the standard carrier porting process, with Quo providing guidance and support through the transfer. The port does not require downtime for your business - calls continue to reach your existing number until the cutover is complete, at which point they redirect to Quo. The porting process typically takes 7-10 business days depending on your current carrier. You can also port your number out of Quo to another provider if you switch in the future.
Methodology

How this review was researched

A fixed research protocol - identical for every review on this site. Sources inform the score, never the other way around.

Updated May 2026
Official documentation & pricing pages
Verified user reviews from major review platforms
Real user discussions in public communities
Pricing re-verified against the official pricing page
Findings synthesised into our fixed 6-axis rubric - sources inform the score, never the reverse
Quo
$15/mo · 8.4/10 · Free-day trial
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