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VoIP & Business PhoneVoIP & Business Phone· Updated July 2026

OpenPhone logoOpenPhone vs JustCall logoJustCall (2026 Comparison)

Our Verdict

OpenPhone wins on collaborative team communication and UX; JustCall wins on outbound sales dialing and SMS automation.

Choose OpenPhone if your team values shared numbers, shared inboxes, and a delightful app for everyday calls and texts. Choose JustCall if you're an outbound sales team that needs auto, predictive, and power dialers plus SMS campaigns wired into your CRM. Both are affordable SMB-focused tools, so the winner depends on whether you're optimizing for team collaboration or calling volume.

Best pick
It depends on your team
Integration
Migration / Zapier
Setup
3-7 days
4.5 · 5,169 reviews · Difficulty: Easy

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01 · BUILD

Team Fit — who should build on what

Before pricing or features, get the fit right. Here's how OpenPhone and JustCall map to real team profiles.

DimensionOpenPhone logoOpenPhoneJustCall logoJustCall
Core strengthShared inbox collaborationOutbound dialing & SMSEven
Best-fit teamStartups, founders, supportOutbound sales repsEven
Dialer productivityManual & basic callingAuto, predictive & power dialersEdge
Ease of use & UXConsistently praised appEdgeFeature-dense, CRM-centric
Entry cost$15/user, no seat minimumEdge$19/user, 2-seat minimum
SMS automationManual + basic automationCampaigns & workflowsEdge
OpenPhone logo

Who is OpenPhone best for?

VoIP & Business Phone

Startups and small businesses of 1-50 that want a clean, collaborative phone and texting experience without legacy PBX complexity.

  • Startups and small teams wanting a slick, easy phone app
  • Businesses that live in shared inboxes and SMS
  • Founders who need a business number in minutes
JustCall logo

Who is JustCall best for?

VoIP & Business Phone

Sales and support teams of 2-100 that want dialers, SMS automation, and CRM integrations in one calling tool.

  • Outbound sales teams needing auto and power dialers
  • Teams running high-volume SMS campaigns
  • Reps working inside a CRM all day
02 · STACK

Pricing & Features — what you actually pay for

Side-by-side plans with the fine print most comparison pages skip, plus a filterable feature matrix.

Modern, app-first business phone and texting for startups and SMBs.

Starter

$15/per user / mo

  • 1 local/toll-free number per user
  • Shared numbers & inboxes
  • Call & SMS from any device
Popular

Business

$23/per user / mo

  • AI call summaries & transcripts
  • HubSpot/Salesforce integrations
  • Call routing & analytics

Scale

$35/per user / mo

  • Advanced AI features
  • Dedicated support
  • Higher usage limits

Hidden costs to watch

  • Monthly billing costs more than the annual per-user rates shown.
  • A one-time carrier (TCR) registration fee plus monthly A2P campaign fees apply for texting.
  • Extra phone numbers cost about $5/mo each on top of the seat price.
Get started with OpenPhone

Sales-focused cloud phone and SMS with dialers and AI.

Essentials

$19/per user / mo

  • Unlimited inbound minutes
  • 1 local/toll-free number
  • CRM integrations

Team

$29/per user / mo

  • Auto & predictive dialer basics
  • Call monitoring
  • Analytics dashboards
Popular

Pro

$49/per user / mo

  • Advanced dialers
  • SMS automation
  • Salesforce & HubSpot workflows

Business

$89/per user / mo

  • JustCall AI suite
  • Advanced routing
  • Priority support

Hidden costs to watch

  • Standard plans carry a 2-license minimum, so real entry cost is ~$38/mo.
  • Monthly billing is meaningfully higher than the annual rates shown.
  • Phone numbers, SMS credits, and AI add-ons push real spend well above list price.
Get started with JustCall

Feature specs

4 of 9 features differ between these tools.

FeatureOpenPhone logoOpenPhoneJustCall logoJustCall
Unlimited domestic callingNativeNativeNativeNative
SMS/MMS textingNativeNativeNativeNative
SMS campaigns & automationPaid Add-onPaid Add-onNativeNative
Auto / predictive / power dialerNot SupportedNot SupportedNativeNative
Shared numbers & inboxesCollaborative inboxes are OpenPhone's signature feature.NativeNativePaid Add-onPaid Add-on
AI call summaries & coachingBoth gate advanced AI to higher tiers.NativeNativeNativeNative
CRM integrations (HubSpot/Salesforce)JustCall's integration is more dialer-centric.NativeNativeNativeNative
IVR & call routingPaid Add-onPaid Add-onNativeNative
Call recording & analyticsNativeNativeNativeNative
✅ Native⚡ Paid Add-on❌ Not Supported
03 · FLOW

Automation Blueprints — make them work together

The real payoff is the stack. These are concrete OpenPhone ↔ JustCall workflows worth building.

Connection: Migration / ZapierDifficulty: EasySetup: 3-7 days

Route new leads to the right team

TriggerHubSpot

New contact created

Condition

Contact tagged as an outbound sales lead

ActionJustCall

Add to a dialer campaign; general inquiries stay in OpenPhone

Sends high-intent prospects to the dialing engine while keeping support and general lines in the shared inbox.

Centralize all conversations in the CRM

TriggerOpenPhone

Call or SMS completed

Condition

Contact matches a CRM record

ActionHubSpot

Log the interaction with AI summary

Keeps one customer timeline even when teams split calling across two tools.

Auto follow-up on unreached prospects

TriggerJustCall

Dialer call ends with no answer

Condition

No connection after 2 attempts

ActionJustCall

Queue a templated SMS follow-up

Recaptures busy prospects automatically instead of leaving follow-up to memory.

03 · FLOW

Frequently asked questions

Common questions about choosing between and combining OpenPhone and JustCall.

Which is better for outbound sales calling?
JustCall is the stronger outbound tool with auto, predictive, and power dialers plus SMS automation. OpenPhone lacks these dialers and is built more for collaborative inbound and everyday communication.
Is OpenPhone easier to use than JustCall?
Generally yes; OpenPhone is consistently praised for its clean, modern app and shared-inbox experience. JustCall is more feature-dense and optimized for reps working inside a CRM all day.
What is the real starting cost of each?
OpenPhone starts at $15 per user with no seat minimum, while JustCall starts at $19 but requires at least 2 licenses, making real entry cost about $38. Both add fees for extra numbers and SMS.
Do both integrate with my CRM?
Yes, both natively integrate with HubSpot and Salesforce. JustCall's integration is more dialer- and workflow-centric, while OpenPhone focuses on logging and shared context.
Can I use both together?
Some teams run JustCall for the outbound sales floor and OpenPhone for general and support lines. Leads and call logs can be synced through a shared CRM or Zapier.

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Comparison last updated July 27, 2026. BuildStackFlow independently reviews SaaS tools.