Fastmail vs Intercom
Compare Fastmail and Intercom 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.
Intercom is better for
- ✓ Number / country coverage
- ✓ Power dialer
- ✓ WhatsApp Business
- ✓ CRM / CTI integrations
Choose Fastmail if: Small teams that want private, independent business email on their own domain
Choose Intercom if: Support teams that want Messenger + shared inbox + Fin AI in one CS platform

Intercom
Customer messaging / shared inbox with Fin AI — Essential from $29/seat/mo + Fin from $0.99/outcome.
Best for
- • Support teams that want Messenger + shared inbox + Fin AI in one CS platform
- • Mid-market SaaS organisations standardising on Intercom for in-app messaging
- • Buyers evaluating AI agent resolutions as a primary CX bet
Starting from $29.00/user/mo
No free plan
Fastmail vs Intercom pricing
Fastmail researched starting price from $3/mo. Intercom researched starting price from $29/mo. Affiliate economics excluded.
Fastmail
From $3.00/user/mo
Intercom
From $29.00/user/mo
Fastmail
Starting from $3.00/user/mo
Free trial available
- Business Basic$3.00/user/mo
- $3/user/month billed annually ($4 monthly; $36 for 12 months). 5 GB for mail, calendar and contacts plus 1 GB file storage, custom business addresses on your domain, 24/7 human support.
- mail storage gb: 5
- file storage gb: 1
- Business StandardPopular$5.00/user/mo
- $5/user/month billed annually ($6 monthly; $60 for 12 months). 50 GB mail plus 10 GB files, shared email addresses like support@, layered shared calendars, shared company address book, offline support, scheduled send and snooze.
- mail storage gb: 50
- file storage gb: 10
- Business Professional$9.00/user/mo
- $9/user/month billed annually ($10 monthly; $108 for 12 months). 100 GB mail plus 50 GB files and an email retention archive for legal compliance.
- mail storage gb: 100
- file storage gb: 50
- Individual$5.00/mo
- $5/month billed annually ($6 monthly; $60 for 12 months) for a single mailbox with premium email, calendar and contacts.
- mail storage gb: 50
- file storage gb: 10
Intercom
Starting from $29.00/user/mo
Free trial available
- Essential$29.00/user/mo
- $29/seat/month annual — Fin AI Agent, Messenger, shared inbox/ticketing, pre-built reports, public help center. Fin outcomes from $0.99.
- AdvancedPopular$85.00/user/mo
- $85/seat/month annual — multiple team inboxes, workflows, round-robin, private/multilingual help center, 20 Lite seats.
- Expert$132.00/user/mo
- $132/seat/month annual — SSO, HIPAA path, SLAs, multibrand Messenger/Help Center, 50 Lite seats.
- Fin AI AgentSee details
- From $0.99 per Fin outcome on Intercom plans (also Fin standalone on existing helpdesks). Usage-priced AI resolutions — not included unlimited.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Fastmail
$45.00/mo
Intercom
$435.00/mo
+$390.00/mo — Intercom 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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