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
OpenPhone vs Vonage pricing
OpenPhone researched starting price from $15/mo. Vonage researched starting price from $13.99/mo. Affiliate economics excluded.
OpenPhone
From $15.00/user/mo
Vonage
From $13.99/user/mo
OpenPhone
Starting from $15.00/user/mo
Free trial available
- Starter$15.00/user/mo
- $15/user/month billed annually ($19 monthly). Shared business number, unlimited US/CA calling & SMS (fair use), voicemail transcripts, Sona AI baseline.
- BusinessPopular$23.00/user/mo
- $23/user/month annual ($33 monthly). Adds phone menus, automatic recording, AI summaries/transcripts on all calls, and deeper HubSpot/Salesforce CRM.
- Scale$35.00/user/mo
- $35/user/month annual ($47 monthly). AI call tags, dedicated onboarding and phone support for larger SMB rollouts.
Vonage
Starting from $13.99/user/mo
No free trial evidenced
- Mobile$13.99/user/mo
- $13.99/line/month on 12-month promo ($19.99 monthly). Unlimited US/CA calling & SMS, mobile/desktop apps, team messaging baseline.
- PremiumPopular$20.99/user/mo
- $20.99/line/month annual promo ($29.99 monthly). Multi-level auto attendant, CRM integrations, unlimited video meetings (up to 100), IP desk phones.
- Advanced$27.99/user/mo
- $27.99/line/month annual promo ($39.99 monthly). On-demand call recording, call groups, visual voicemail and deeper team calling features.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
OpenPhone
$225.00/mo
Vonage
$209.85/mo
+$15.15/mo — OpenPhone costs more
Verified monthly unit prices · Aug 17, 2026
Prices in USD
Shown per user / month from verified list pricing.
Plans can change
Confirm live vendor rates before purchasing.
Add-ons may apply
Calling, SMS, or usage fees can add cost.
Independence
Affiliate status never changes pricing outcomes.
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