Fastmail vs KrispCall

Take a look at how Fastmail and KrispCall stack up against each other across pricing, features, and support using feedback from real users like yourself. Fastmail scores 4.3 out of 5 from 17 reviews, while KrispCall has been rated 4.5 out of 5 from 31 reviews.
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Fastmail N/A logo

Fastmail

4.3

( 17 )

KrispCall N/A logo

KrispCall

4.5

( 31 )

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At a Glance
Fastmail N/A logo
Fastmail
Starting at:
$//month
N/A
KrispCall N/A logo
KrispCall
Starting at:
$12.00//month
N/A
Overview
Fastmail N/A logo
Fastmail
Fastmail is a subscription-based hosted email service and productivity suite emphasizing privacy, open standards, and interoperability. It provides email hosting with custom domains, integrated calendar, contacts, file storage, aliases and catch-alls, robust search, rules, offline access, officia... Learn more
Capabilities
  • AI Enabled
  • API Available
  • Open Source
  • CLI Available
KrispCall N/A logo
KrispCall
KrispCall is a cloud-based VoIP and business phone platform that provides virtual phone numbers in 100+ countries, unified handling of calls/SMS/MMS/voicemail, AI-powered calling intelligence (transcription and summaries), deep CRM integrations, outbound tools (power dialer, bulk SMS), advanced r... Learn more
Capabilities
  • AI Enabled
  • API Available
  • Open Source
  • CLI Available
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Pricing
Fastmail N/A logo
Fastmail
Free trial available
Free plan available
Billing type Recurring Subscription
Basic
Contact Us
Standard
Contact Us
Professional
Contact Us
Individual
Contact Us
Duo
Contact Us
Family
Contact Us
See all pricing
KrispCall N/A logo
KrispCall
Free trial available
Free plan available
Billing type Recurring Subscription
Essential
$12.00
/ month
Standard
$32.00
/ month
Enterprise
Contact Us
See all pricing
Pros and Cons
Fastmail N/A logo
Fastmail
Pros
  • Strong privacy policy: no ads, no data mining; masked email.
  • Open protocols and good interoperability (JMAP, IMAP, CalDAV, CardDAV).
  • Comprehensive feature set across tiers: search, rules, scheduled send, snooze.
  • Official apps across platforms with offline support.
  • Flexible plans (mix & match users, family/duo/individual options).
Cons
  • Pricing is higher than many competitors.
  • No evidence of full zero-knowledge end-to-end encryption across all data.
  • Some reviews note lack of live chat support.
  • Higher-end features (retention, large storage) reserved for top Professional plan.
KrispCall N/A logo
KrispCall
Pros
  • Global virtual numbers in 100+ countries
  • Rich feature set including unified inbox, power dialer, AI transcription & summaries
  • Competitive entry pricing with annual discounts
  • Extensive CRM and business-tool integrations
  • Cloud-only, no hardware required; fast deployment
Cons
  • Calling minutes and SMS are billed separately and can add significant usage costs
  • UI language/localization beyond English not clearly documented
  • Some advanced call center features (predictive dialing, advanced speech analytics) are not clearly documented
  • No explicit built-in call scheduling / callback feature documented
  • No free trial (relies on demos and 14-day money-back guarantee)
Reviewer's Segments
Fastmail N/A logo
Fastmail
Small Business
76.47%
Mid Market
23.53%
Enterprise
0.0%
KrispCall N/A logo
KrispCall
Small Business
77.42%
Mid Market
19.35%
Enterprise
3.23%
Deployment
Fastmail N/A logo
Fastmail
  • Cloud based
  • Desktop based
  • Mobile based
  • On-premise
KrispCall N/A logo
KrispCall
  • Cloud based
  • Desktop based
  • Mobile based
  • On-premise
Support
Fastmail N/A logo
Fastmail
  • 24/7 (Live rep)
  • Chat
  • Email/Help Desk
  • Knowledge Base
  • Phone Support
KrispCall N/A logo
KrispCall
  • 24/7 (Live rep)
  • Chat
  • Email/Help Desk
  • Knowledge Base
  • Phone Support
Training
Fastmail N/A logo
Fastmail
  • Documentation
KrispCall N/A logo
KrispCall
  • Documentation
Integrations
Fastmail N/A logo
Fastmail
Total integrations: 1
  • Affinity
  • Attio
  • Bitrix24
  • Capsule CRM
  • Dropbox
  • Greenhouse
  • HubSpot CRM
  • Kommo
  • Notion
  • Pipedrive
  • Zapier
  • Zoho CRM
  • Zoho Recruit
  • folk
KrispCall N/A logo
KrispCall
Total integrations: 13
  • Affinity
  • Attio
  • Bitrix24
  • Capsule CRM
  • Dropbox
  • Greenhouse
  • HubSpot CRM
  • Kommo
  • Notion
  • Pipedrive
  • Zapier
  • Zoho CRM
  • Zoho Recruit
  • folk
Top Alternatives
Fastmail N/A logo
Fastmail
See all alternatives
KrispCall N/A logo
KrispCall
See all alternatives
Company Details
Fastmail N/A logo
Fastmail
  • By Fastmail Pty. Ltd.
  • Located in Melbourne, Victoria, Australia
  • Founded in 1999
KrispCall N/A logo
KrispCall
  • By KrispCall PTE. Ltd.
  • Located in 531A Upper Cross Street, #04-95 Hong Lim Complex, Singapore
  • Founded in 2022