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

OpenPhone
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
There is no universal winner between OpenPhone and Vonage. Choose OpenPhone when SMB teams that want a modern shared business number with SMS and AI answering. Choose Vonage when SMB and mid-market teams wanting published per-line VoIP with SMS. Criterion scores come from approved SoftwareGlimpse editorial assessments and first-party research — not hands-on lab testing.
OpenPhone is better for
- ✓ CRM / CTI integrations
- ✓ Analytics
- ✓ AI features
Tie
- • Number / country coverage
- • Power dialer
- • WhatsApp Business
Choose OpenPhone if: SMB teams that want a modern shared business number with SMS and AI answering
Choose Vonage if: SMB and mid-market teams wanting published per-line VoIP with SMS

Vonage
SMB/mid VoIP business phone (VBC) — Mobile from $13.99/line/mo on 12-month promo; Premium/Advanced higher.
Best for
- • SMB and mid-market teams wanting published per-line VoIP with SMS
- • Buyers who may grow into Premium video meetings and CRM connectors
- • US/Canada-centric businesses that value Ericsson-backed Vonage branding
Starting from $13.99/user/mo
No free plan
Feature comparison
Grouped feature support from verified product research for OpenPhone and Vonage.
Voice
| Feature | OpenPhone | Vonage | Winner |
|---|---|---|---|
| Cloud phone / VoIP | Strong | Strong | Tie |
| Call routing & IVR | Moderate | Strong | Vonage |
| Call recording | Moderate | Moderate | Tie |
| Power dialer | Limited | Limited | Tie |
Messaging
| Feature | OpenPhone | Vonage | Winner |
|---|---|---|---|
| SMS messaging | Strong | Strong | Tie |
| WhatsApp Business | Limited | Limited | Tie |
| Shared inbox | Strong | Moderate | OpenPhone |
| Team messaging | Moderate | Strong | Vonage |
| Unified multichannel inbox | Moderate | Limited | OpenPhone |
| Video meetings | Limited | Moderate | Vonage |
Platform
| Feature | OpenPhone | Vonage | Winner |
|---|---|---|---|
| CRM / CTI integrations | Moderate | Moderate | Tie |
| Analytics & reporting | Strong | Moderate | OpenPhone |
| AI assistance | Strong | Moderate | OpenPhone |
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