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

Fastmail
Privacy-focused business email, calendar and contacts with custom domains and shared addresses — Business Basic from $3/user/month annual; adjacent to business communications, not a phone system.
Best for
- • Small teams that want private, independent business email on their own domain
- • Owner-operators who need shared support@ addresses and shared calendars cheaply
- • Buyers who need an email retention archive for legal compliance (Professional)
Starting from $3.00/user/mo
No free plan
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
Vonage is better for
- ✓ Number / country coverage
- ✓ Power dialer
- ✓ CRM / CTI integrations
- ✓ Routing & IVR
Tie
- • WhatsApp Business
Choose Fastmail if: Small teams that want private, independent business email on their own domain
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
Pros & cons
A balanced look at where each product shines — and where it falls short.
Fastmail
Strengths in greenCons
- Trails on number / country coverage
- Trails on power dialer
- Trails on crm / cti integrations
Best for
Small teams that want private, independent business email on their own domain
Vonage
Trade-offs in redPros
- Stronger on number / country coverage
- Stronger on power dialer
- Stronger on crm / cti integrations
- Stronger on routing & ivr
Best for
SMB and mid-market teams wanting published per-line VoIP with SMS
Choose if…
Choose Fastmail if
- Small teams that want private, independent business email on their own domain
- Owner-operators who need shared support@ addresses and shared calendars cheaply
- Buyers who need an email retention archive for legal compliance (Professional)
Choose Vonage if
- 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
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