Fastmail vs KrispCall
Compare Fastmail and KrispCall 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.
KrispCall is better for
- ✓ Number / country coverage
- ✓ Power dialer
- ✓ CRM / CTI integrations
- ✓ Routing & IVR
Tie
- • WhatsApp Business
Choose Fastmail if: Small teams that want private, independent business email on their own domain
Choose KrispCall if: Startups, agencies and remote teams that need virtual numbers in multiple countries cheaply
KrispCall
Budget global cloud telephony with virtual numbers across 100+ countries and a unified callbox — Essential from $12/user/month annual (up to 5 users); calls and SMS are pay-as-you-go.
Best for
- • Startups, agencies and remote teams that need virtual numbers in multiple countries cheaply
- • Small teams (up to 5 users) that want a real phone system for around $12/user/month
- • Sales teams that will move to Standard for the power dialer, monitoring and API access
Starting from $12.00/user/mo
No free plan
Fastmail vs KrispCall pricing
Fastmail researched starting price from $3/mo. KrispCall researched starting price from $12/mo. Affiliate economics excluded.
Fastmail
From $3.00/user/mo
KrispCall
From $12.00/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
KrispCall
Starting from $12.00/user/mo
No free trial evidenced
- Essential$12.00/user/mo
- $12/user/month billed annually ($15 monthly) for teams up to 5 users. One local or mobile number per user, call recording, voicemail, IVR and the unified callbox; minutes and SMS billed pay-as-you-go.
- max users: 5
- included numbers per user: 1
- calling and sms: pay-as-you-go
- StandardPopular$32.00/user/mo
- $32/user/month billed annually ($40 monthly) for up to 50 users. Adds unlimited call recordings and storage, power dialer, call monitoring (listen/whisper/barge), multi-level IVR, advanced reporting and API/webhooks.
- max users: 50
- call recording storage: unlimited
- calling and sms: pay-as-you-go
- EnterpriseCustom
- Custom-priced: bundled calling and SMS rates, dedicated account manager, developer support, custom integrations and onboarding.
Estimate your team cost
Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.
Fastmail
$45.00/mo
KrispCall
$180.00/mo
+$135.00/mo — KrispCall 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.
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.