8x8 vs Fastmail
Compare 8x8 and Fastmail on features, pricing, and buyer fit using the same researched criteria.
8x8
Global UCaaS + contact-centre platform (8x8 Work / X Series) — Work X2 research floor ~$24/user/month annual; CC tiers custom/higher.
Best for
- • Mid-market and enterprise teams needing global UCaaS with a contact-centre path
- • Organisations shortlisting RingCentral-class peers for multi-country voice + meetings + chat
- • Buyers who want analytics/quality management inside the communications platform
Starting from $24.00/user/mo
No free plan
VS
Our verdict
No universal winner. Choose based on which criteria matter most for your team.
8x8 is better for
- ✓ Number / country coverage
- ✓ Power dialer
- ✓ WhatsApp Business
- ✓ CRM / CTI integrations
Choose 8x8 if: Mid-market and enterprise teams needing global UCaaS with a contact-centre path
Choose Fastmail if: Small teams that want private, independent business email on their own domain
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
8x8 vs Fastmail pricing
8x8 researched starting price from $24/mo. Fastmail researched starting price from $3/mo. Affiliate economics excluded.
8x8
From $24.00/user/mo
Fastmail
From $3.00/user/mo
8x8
Starting from $24.00/user/mo
Free trial available
- Express$15.00/user/mo
- From ~$15/user/month annual (medium confidence) — lighter VoIP entry before full Work X2 packaging.
- Work X2Popular$24.00/user/mo
- From ~$24/user/month annual (medium confidence). Core 8x8 Work UCaaS — cloud phone, video, team chat, multi-country calling envelope.
- Work X4$44.00/user/mo
- From ~$44/user/month annual (medium confidence). Advanced analytics, quality management and speech analytics versus X2.
- Contact Center (X6–X8)Custom
- Separate contact-centre ladder commonly cited ~$85–$140/user/month — quote-based; not used as the Work X2 scored floor.
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
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
8x8
$360.00/mo
Fastmail
$45.00/mo
+$315.00/mo — 8x8 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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