Fastmail vs Grasshopper
Compare Fastmail and Grasshopper 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.
Grasshopper is better for
- ✓ Number / country coverage
- ✓ Power dialer
- ✓ Routing & IVR
- ✓ Analytics
Tie
- • WhatsApp Business
- • CRM / CTI integrations
Choose Fastmail if: Small teams that want private, independent business email on their own domain
Choose Grasshopper if: Solo operators and tiny teams that primarily need a professional virtual number
Grasshopper
SMB virtual business numbers with extensions and apps — True Solo from $14/month annual (flat account, not per seat).
Best for
- • Solo operators and tiny teams that primarily need a professional virtual number
- • SMBs that want flat account pricing instead of per-seat UCaaS maths
- • Buyers replacing a personal mobile with a branded business line
Starting from $14.00/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 routing & ivr
Best for
Small teams that want private, independent business email on their own domain
Grasshopper
Trade-offs in redPros
- Stronger on number / country coverage
- Stronger on power dialer
- Stronger on routing & ivr
- Stronger on analytics
Best for
Solo operators and tiny teams that primarily need a professional virtual number
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 Grasshopper if
- Solo operators and tiny teams that primarily need a professional virtual number
- SMBs that want flat account pricing instead of per-seat UCaaS maths
- Buyers replacing a personal mobile with a branded business line
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