SoftwareGlimpse

Fastmail vs Zenzap

Compare Fastmail and Zenzap on features, pricing, and buyer fit using the same researched criteria.

Independently recommendedLast updated Aug 18, 20266 evidence sources8 screenshotsHow we compare
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Fastmail logo

Fastmail

4.8/10

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

Our verdict

No universal winner

No universal winner. Choose based on which criteria matter most for your team.

Zenzap is better for

  • Analytics
  • AI features

Tie

  • Number / country coverage
  • Power dialer
  • WhatsApp Business

Choose Fastmail if: Small teams that want private, independent business email on their own domain

Choose Zenzap if: Frontline, multi-site and shift-based teams replacing personal WhatsApp groups

See detailed comparison ↓
Zenzap logo

Zenzap

6.1/10

Professional work-chat app for frontline and multi-site teams replacing WhatsApp groups — free tier, Pro $3/user/month yearly, Business+ $8 with HIPAA, integrations and AI agents.

Best for

  • Frontline, multi-site and shift-based teams replacing personal WhatsApp groups
  • Regulated operators (healthcare, care providers) needing HIPAA compliance with a signed BAA
  • Owner-operators who want structured team chat with tasks at a very low per-user price

Starting from $3.00/user/mo

Free plan available

Fastmail vs Zenzap pricing

Fastmail researched starting price from $3/mo. Zenzap researched starting price from $3/mo; a free plan is researched. Affiliate economics excluded.

Fastmail logo

Fastmail

From $3.00/user/mo

Zenzap logo

Zenzap

From $3.00/user/mo

Fastmail logo

Fastmail

Starting from $3.00/user/mo

No free plan

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
View full Fastmail pricing →
Zenzap logo

Zenzap

Starting from $3.00/user/mo

Free plan available

No free trial evidenced

  • Free$0.00/user/mo
    • $0 — unlimited group chats, unlimited built-in to-dos, scheduled messages, calendar integration, working hours and notifications, team access and permissions, 1 GB secure storage, WhatsApp chat migration, AI voice-note transcription and AI in-chat search.
    • storage gb: 1
    • group chats: unlimited
    • whatsapp migration: true
  • Pro$3.00/user/mo
    • $3/user/month billed yearly ($4 monthly). Voice and video calls, task checklist templates, sub-task breakdown, smart task sorting, team privacy settings, media sharing controls, malware scanning, 100 GB storage, AI workspace search and message-to-task AI.
    • storage gb: 100
    • flat rate yearly up to20 users: 51
    • flat rate yearly up to50 users: 112
  • Business+Popular$8.00/user/mo
    • $8/user/month billed yearly ($10 monthly). Integrations with other business tools, API access, HIPAA compliance with signed BAA, enhanced privacy controls, call recording and transcription, data archiving, 10 TB storage, priority support, a personal AI agent per user and unlimited custom/internal AI agents.
    • storage tb: 10
    • flat rate yearly up to20 users: 89
    • flat rate yearly up to50 users: 190
  • EnterpriseCustom
    • Custom: custom integrations, organisation chart, SAML/SCIM/SSO, encryption key management, audit logs, 24/7 enterprise CSM, tailored onboarding, custom and privately deployed AI agents.
View full Zenzap pricing →

Estimate your team cost

Monthly estimate from verified per-seat list pricing. Confirm on the vendor site before purchasing.

Fastmail logo

Fastmail

$45.00/mo

Zenzap logo

Zenzap

$45.00/mo

Similar estimated cost

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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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Affiliate disclosure: some links may be affiliate links. We may earn a commission at no extra cost to you. Rankings and scores are never based on commission. Full disclosure

Methodology disclosure: scores and recommendations follow SoftwareGlimpse evaluation criteria (version 1.0.0). Affiliate relationships do not determine rankings.

How we recommend: product claims are tied to recorded research where available.

AI-assisted disclosure: drafts may be AI-assisted from approved facts and assessments. Humans approve publishable editorial judgments. AI does not invent live prices or claim hands-on testing.