SoftwareGlimpse

OpenPhone vs Slack

Compare OpenPhone and Slack on features, pricing, and buyer fit using the same researched criteria.

Independently recommendedLast updated Aug 18, 20267 evidence sources8 screenshotsHow we compare
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OpenPhone logo

OpenPhone

7.5/10

Modern SMB shared business phone (also branded Quo) with shared numbers, SMS and Sona AI — Starter from $15/user/month annual.

Best for

  • SMB teams that want a modern shared business number with SMS and AI answering
  • Founders and small sales/support teams who need transparent per-seat pricing without a 3-licence floor
  • Teams standardising on HubSpot/Salesforce once they move to Business

Starting from $15.00/user/mo

No free plan

VS

Our verdict

Our verdict

No universal winner

No universal winner. Choose based on which criteria matter most for your team.

OpenPhone is better for

  • Number / country coverage
  • Power dialer
  • Routing & IVR
  • Analytics

Slack is better for

  • CRM / CTI integrations

Tie

  • WhatsApp Business
  • AI features

Choose OpenPhone if: SMB teams that want a modern shared business number with SMS and AI answering

Choose Slack if: Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub

See detailed comparison ↓
Slack logo

Slack

6.7/10

Channel-based team messaging platform — Free $0, Pro $7.25/user/month annual, Business+ $15, Enterprise+ contact sales; huddles for light video, not a phone system.

Best for

  • Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub
  • Organisations that want a freemium chat workspace with a deep app ecosystem
  • Salesforce-centric companies aligning chat with CRM workflows

Starting from $7.25/user/mo

Free plan available

Screenshots

Verified product UI captures from research — never stock imagery.

OpenPhone

Slack

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How we recommend: product claims are tied to recorded research where available.

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