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Head-to-head · Fax Server Software

HylaFAX Enterprise vs Zetafax

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score HylaFAX Enterprise #4 in Fax Server Software 8.7/10 30-day trial Free trial✓ 4 of 4 features Visit iFAX Solutions
Zetafax #8 in Fax Server Software 8.3/10 Pricing on request · 30-day trial Free trial✓ 4 of 4 features Visit Equisys

HylaFAX Enterprise leads on 0 checks, Zetafax on 0, and 5 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreHylaFAX Enterprise · 8.7/10
  • Free trialboth

HylaFAX Enterprise scores higher on our rubric for fax server software: 8.7 against 8.3 out of 10; our editors rank them #4 and #8.

On deployment model, HylaFAX Enterprise gives you Hybrid where Zetafax offers On_premises.

HylaFAX Enterprise is the better fit for large deployments requiring HA and broad APIs. Zetafax is the better fit for microsoft-centric on-premise fax teams.

  • HylaFAX Enterprise fits best

    Large deployments requiring HA and broad APIs

  • Zetafax fits best

    Microsoft-centric on-premise fax teams

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Side by side

Feature HylaFAX Enterprise 8.7/10 Visit ↗ Zetafax 8.3/10 Visit ↗
At a glance
Editor score 8.7 8.3
Ranking #4 in Fax Server Software #8 in Fax Server Software
Best for Large deployments requiring HA and broad APIs Microsoft-centric on-premise fax teams
Pricing model Paid Paid
Starting price $1,599 one-time Pricing on request · 30-day trial
Free plan — —
Free trial 30 days 30 days
Free trial length 30 days 30 days
Deployment Cloud, Self-hosted Self-hosted, Desktop
Platforms Web, Windows, macOS, Linux Windows
Support Email, Phone, Docs · 24/7 Email, Tickets, Docs
Integrations 8 integrations 11 integrations
Built for Mid-market, Enterprise Small business, Mid-market, Enterprise
Features HylaFAX Enterprise 4/4 · Zetafax 4/4
Modem or gateway support ✓ ✓
Fax routing rules ✓ ✓
Email fax workflow ✓ ✓
Searchable fax archive ✓ ✓
Specs
Deployment model Hybrid On_premises
Concurrent fax channels 2 channels Not checked yet
Our review
Pros
  • Clustering, high availability, and virtualization support
  • Broad routing, desktop faxing, APIs, SDKs, and SAP connectivity
  • Unlimited users included with the Base Server license
  • Centralizes fax sending, receiving, routing, and archiving
  • Supports Outlook, Exchange Online, SMTP, and Microsoft Office workflows
  • Offers DID, DDI, DTMF, T.38, modem, and fax board support
Cons
  • Base Server licensing starts at $1,599 one-time per server
  • Additional T.38/FoIP channels cost $500 each
  • No free plan; the Base Server includes two channels
  • Designed for Microsoft Windows deployments
  • Requires on-premises or self-hosted server management
  • No perpetual free plan; licensing is handled through sales
Our verdict

HylaFAX Enterprise is commercial fax server software from iFAX Solutions for enterprise and high-volume fax environments. It supports physical servers, virtual machines, and an AWS appliance, giving organizations several deployment paths.…

Read the review →

Zetafax is network fax server software from Equisys for businesses that need centralized fax sending, receiving, routing, archiving, and application integration. It runs on Microsoft Windows and can be installed on physical or virtualized…

Read the review →
  1. HylaFAX EnterpriseFax Server Software 8.730-day trial
  2. ZetafaxFax Server Software 8.3Pricing on request · 30-day trial

Strengths and trade-offs

  • HylaFAX Enterprise — where it wins

    • Clustering, high availability, and virtualization support
    • Broad routing, desktop faxing, APIs, SDKs, and SAP connectivity
    • Unlimited users included with the Base Server license

    Where it doesn't

    • Base Server licensing starts at $1,599 one-time per server
    • Additional T.38/FoIP channels cost $500 each
    • No free plan; the Base Server includes two channels

  • Zetafax — where it wins

    • Centralizes fax sending, receiving, routing, and archiving
    • Supports Outlook, Exchange Online, SMTP, and Microsoft Office workflows
    • Offers DID, DDI, DTMF, T.38, modem, and fax board support

    Where it doesn't

    • Designed for Microsoft Windows deployments
    • Requires on-premises or self-hosted server management
    • No perpetual free plan; licensing is handled through sales
  • HylaFAX Enterprise8.7/10 · 30-day trial

    A feature-rich fax server for large deployments, with substantial licensing and channel costs.

    Visit iFAX SolutionsFull verdict →
  • Zetafax8.3/10 · Pricing on request · 30-day trial

    Centralized fax serving for Microsoft-focused teams with routing, archiving, and automation.

    Visit EquisysFull verdict →

More comparisons

All fax server software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update