Fastmail vs Nextiva
Compare Fastmail and Nextiva 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.
Nextiva 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 Nextiva if: SMB teams wanting a clear $15 Core annual cloud-phone floor
Nextiva
SMB-friendly unified business communications — Core $15, Engage $25, Scale $75 per user/month annual, with messaging apps including WhatsApp and a Contact Center ladder from $75/agent.
Best for
- • SMB teams wanting a clear $15 Core annual cloud-phone floor
- • Businesses that need WhatsApp/messaging apps alongside voice in one vendor
- • Growing companies that may expand into Nextiva Contact Center later
Starting from $15.00/user/mo
No free plan
Fastmail vs Nextiva pricing
Fastmail researched starting price from $3/mo. Nextiva researched starting price from $15/mo. Affiliate economics excluded.
Fastmail
From $3.00/user/mo
Nextiva
From $15.00/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
Nextiva
Starting from $15.00/user/mo
Free trial available
- Core$15.00/user/mo
- $15/user/month billed annually ($23 monthly). Cloud phone entry; call recording is an add-on on Core. Confirm 1–100 employee / 12-month SMB eligibility live.
- EngagePopular$25.00/user/mo
- $25/user/month billed annually ($50 monthly). Stronger messaging and engagement surface versus Core.
- Scale$75.00/user/mo
- $75/user/month billed annually. Higher-tier unified communications with AI capabilities; XBert AI add-on also published from $99/mo.
- Contact Center Essential$75.00/user/mo
- From $75/agent/month — separate contact-centre ladder. Power-dialer depth associated with CC Professional.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Fastmail
$45.00/mo
Nextiva
$225.00/mo
+$180.00/mo — Nextiva 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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