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
Feature comparison
Grouped feature support from verified product research for Fastmail and Grasshopper.
Voice
| Feature | Fastmail | Grasshopper | Winner |
|---|---|---|---|
| Cloud phone / VoIP | Limited | Strong | Grasshopper |
| Call routing & IVR | Limited | Moderate | Grasshopper |
| Call recording | Limited | Moderate | Grasshopper |
| Power dialer | Limited | Limited | Tie |
Messaging
| Feature | Fastmail | Grasshopper | Winner |
|---|---|---|---|
| SMS messaging | Limited | Strong | Grasshopper |
| WhatsApp Business | Limited | Limited | Tie |
| Shared inbox | Moderate | Limited | Fastmail |
| Team messaging | Limited | Limited | Tie |
| Unified multichannel inbox | Moderate | Limited | Fastmail |
| Video meetings | Limited | Limited | Tie |
Platform
| Feature | Fastmail | Grasshopper | Winner |
|---|---|---|---|
| CRM / CTI integrations | Limited | Moderate | Grasshopper |
| Analytics & reporting | Limited | Moderate | Grasshopper |
| AI assistance | Limited | Moderate | Grasshopper |
Some visit links may be affiliate links — we may earn a commission at no extra cost to you. Comparison outcomes are never based on commission.