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FAX.PLUS vs SRFax: Pricing, HIPAA & Team Fit (2026)

Compare FAX.PLUS and SRFax on healthcare plan costs, BAA eligibility, team access, API limits and number porting. See which fits your fax workload.

By FaxScout Editorial TeamLast verified September 10, 2026Research methodology

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Provider documentation reviewedSeptember 10, 2026Desk research · no transmission tests

FAX.PLUS vs SRFax: the quick answer

Start with SRFax for a small healthcare office that needs a modest page allowance. Shortlist FAX.PLUS Enterprise for a larger team that can use its organization controls and higher included volume. The right comparison starts with the plan that fits your requirements, then considers price.

Small healthcare office

SRFax

Its healthcare plan ladder starts with a smaller allowance and a lower monthly commitment. That makes it a sensible first comparison when most of your allowance would otherwise sit unused.

Check before choosing: the exact BAA, account permissions, mobile workflow and porting arrangements.

Check SRFax healthcare plans

Organization controls

FAX.PLUS Enterprise

Its published package combines a larger allowance with SSO and data-residency options. Shortlist it when those capabilities solve a concrete deployment need.

Check before choosing: HIPAA onboarding and which integrations remain available after security controls are enabled.

Check FAX.PLUS Enterprise

Basis for this editorial assessment: FAX.PLUS plans [1], SRFax healthcare plans [2] and integration restrictions [5]. We have not measured either service’s delivery speed, reliability or support quality.

First compare the eligible plans

FAX.PLUS distinguishes its everyday fax subscriptions from its healthcare setup. Its help center says Free, Basic, Premium and Business are not eligible for HIPAA-protected faxing. That use requires Enterprise, a signed business associate agreement and enabled Advanced Security Controls. Plan eligibility [3]

This matters even if you send only a few patient documents. An inexpensive general fax plan is not an equivalent substitute for a vendor’s healthcare offering. If protected health information is outside your workflow, the general business plans can still belong on your shortlist; the healthcare cost examples below answer a narrower question.

A BAA is one part of the decision. HHS guidance explains that organizations using a cloud service to handle electronic protected health information on their behalf need appropriate agreements and must also meet their own HIPAA obligations, including risk analysis. Vendor advertising does not complete that work for you. HHS cloud guidance [6]

What would your monthly fax volume cost?

These examples use US-dollar monthly billing, combined sent and received volume, and the selected published plans below. They exclude taxes, extra numbers, porting, international destination adjustments and negotiated quotes. They are calculations from published inputs, not checkout tests.

Scroll sideways to compare all table columns.

Illustrative monthly cost at six fax volumes
Pages / monthSRFax selected planSRFax costFAX.PLUS Enterprise
200Healthcare Lite$12.60$99.99
500Healthcare Basic$16.05$99.99
1,500Healthcare Standard$41.35$99.99
2,500Healthcare Standard Plus$68.95$99.99
4,000Healthcare Professional · 5,000 included$137.90$99.99
5,000Healthcare Professional$137.90$129.99

Inputs: SRFax’s listed monthly healthcare tiers; FAX.PLUS Enterprise from $99.99/month with 4,000 included pages and $0.03 for each additional page. The 5,000-page FAX.PLUS example is $99.99 + (1,000 × $0.03) = $129.99. [1] [2]

The change in the price relationship matters more than a universal winner badge. In these examples, SRFax costs less at the smaller workloads. At 4,000 pages, the larger FAX.PLUS allowance changes the comparison. The selected SRFax 5,000-page tier is also cheaper at 4,000 pages than adding 1,500 overage pages to Standard Plus: $68.95 + $75 = $143.95.

Your decision can still change with the number of people, routing requirements, monthly peaks or a custom quote. Check a normal month and a busy month. A plan with the lowest base fee can become a poor fit if it repeatedly needs extra capacity.

Keep annual and monthly billing separate. The FAX.PLUS page also displays Enterprise at a $79.99 monthly equivalent with $959.99 billed annually. That is a different commitment from the monthly examples. Compare total annual charges directly when assessing annual options. Pricing and billing terms [1]

Team access: count people and permissions

SRFax’s healthcare plans list multiple individual user accounts and unlimited authorized email addresses. FAX.PLUS Enterprise lists unlimited members, SSO and data residency. These statements describe different aspects of access; an account count alone does not establish that two products offer identical administrative controls. [2] [1]

For a shared office, define who can view incoming faxes, send documents, change settings and remove departing users. For a larger organization, add ownership of each number, identity-provider requirements and evidence needed for an access review. Ask each vendor to demonstrate your exact roles before choosing.

FAX.PLUS documents number assignment and user management under Advanced Security Controls. SRFax’s security material describes authenticated access through email or the online service. We did not establish an equivalent SRFax SSO or selectable data-residency package from the sources reviewed. Treat those as questions to resolve, rather than assuming the capability is present or absent. [5] [7]

Check integrations after healthcare onboarding

A general feature list does not tell you how a product behaves under its healthcare configuration. FAX.PLUS’s help center says its API and mobile/web applications remain available when Advanced Security Controls are enabled, while some third-party integrations, including Zapier, are disabled. Email and Slack notifications continue without fax attachments. Integration behavior [5]

For an automation project: write down the exact route from the originating application to the fax recipient, and from an incoming fax to its final destination. Confirm that route with the vendor under your intended account configuration before treating an integration badge as a solution.

SRFax’s developer documentation says an active account can access its API to queue faxes, check status and retrieve received or sent documents. This creates a route for custom software, but implementation work is still required. SRFax API documentation [8]

Compare how your team will handle a failed delivery, an invalid recipient, duplicate submissions and a document that arrives after hours. Ask who maintains the integration and how exceptions appear to staff. These are evaluation questions; we have not run production integrations with either provider.

For a broader developer shortlist, see our fax API comparison. Use provider documentation and a small approved test before committing to a larger migration.

Email and mobile: verify the complete workflow

FAX.PLUS now documents a dedicated TLS-enforced email-to-fax route for properly onboarded Enterprise healthcare accounts. Its guide requires Advanced Security Controls and the relevant signed agreement, and specifies the @tls.fax.plus destination domain for authorized account users. A standard email-to-fax capability is not the same account configuration. Healthcare email-to-fax guide [4]

SRFax describes email and online access in its security documentation. Ask how attachments, notifications, retention and access permissions will operate in your organization’s setup. Evaluate the email service and endpoints involved as well as the fax vendor; the process has more than one component. SRFax security statement [7]

For mobile work, try the tasks your staff actually perform: locate the correct document, verify the recipient, send, read the status and find the record later. FAX.PLUS documents continued mobile/web access with its security controls enabled. We have not conducted a comparable mobile usability test of SRFax, so this page does not score one interface against the other. [5]

Switching services: protect number continuity

SRFax’s porting page lists a $25 local-number porting fee. It also gives two different timing descriptions: approximately 10–15 business days in one section and typically 4–5 weeks in another. Get a current, number-specific estimate rather than building a cutover around either generic window. The page also says SRFax cannot migrate your old fax documents. SRFax porting instructions [9]

Before porting with either provider, confirm eligibility, authorization requirements, fees and the expected completion date. Export the records you need, check whether the existing line supports other services, and keep the old service active through a verified transition. Plan a test of both incoming and outgoing faxing after the transfer.

The FAX.PLUS pricing page lists number porting and notes that US/Canada porting requires Premium or higher. Healthcare users still need the eligible Enterprise configuration discussed above. Porting and plan notes [1]

Which service would we shortlist for your situation?

A small practice with light volume

Start with SRFax’s healthcare tiers. Paying for unused capacity is difficult to justify unless another requirement makes a larger package worthwhile. Confirm the BAA and the exact permissions your staff need.

A team approaching 4,000 pages

Compare FAX.PLUS Enterprise closely. The modeled allowance changes the cost relationship at this volume. Verify busy-month usage and make sure the integration restrictions fit your work.

An organization with SSO requirements

Start with the vendor that can document your identity and access requirements. FAX.PLUS publishes an Enterprise SSO option. Ask SRFax directly if it remains on your shortlist.

A practice using custom software

Evaluate both APIs against one small workflow. Compare engineering effort, operational visibility and the approved security configuration. A lower subscription alone does not establish a lower implementation cost.

These are editorial starting points, not a finding that either service is faster, safer or more reliable in practice. For a third option in the same research cluster, read WestFax vs SRFax. Our iFax review provides another route for buyers comparing mobile-oriented services.

Seven questions to answer before subscribing

  1. Which documents and users are in scope? Specify the work before selecting a subscription.
  2. What does a busy month look like? Include inbound, outbound, cover pages and repeat attempts as applicable to the vendor’s billing rules.
  3. Which agreement and controls apply? Obtain confirmation for the exact plan and configuration.
  4. Who can see which numbers and documents? Check access changes when someone leaves.
  5. Will the required integration still work? Verify it after the intended security settings are enabled.
  6. What happens during a failed delivery or outage? Ask about notifications, escalation and service commitments.
  7. How will you leave later? Check exports, retention, cancellation and number transfer before committing.

Frequently asked questions

Is FAX.PLUS or SRFax cheaper for a small healthcare office?

In the smaller-volume monthly examples above, SRFax costs less. FAX.PLUS becomes more competitive as the workload approaches its Enterprise allowance. Compare an eligible plan at your actual volume, including extra numbers and any relevant fees.

Can I use FAX.PLUS Business for HIPAA-protected documents?

FAX.PLUS’s eligibility guide says that use requires Enterprise, a signed BAA and enabled Advanced Security Controls. Its Business plan is not the healthcare substitute for Enterprise. See the vendor’s eligibility guide [3].

Does FAX.PLUS allow email-to-fax on a healthcare account?

Its current help guide documents a TLS-enforced route for correctly configured Enterprise healthcare accounts and authorized users. Follow that guide and your organization’s approved setup. Email-to-fax requirements [4].

Can I use Zapier after enabling FAX.PLUS Advanced Security Controls?

The current help article says some third-party integrations, including Zapier, are disabled. API access remains available. Confirm your specific workflow before subscribing. Integration restrictions [5].

Does a fax provider’s BAA make my office compliant?

No. HHS explains that the customer organization also has obligations, including risk analysis and appropriate safeguards. Review your complete workflow with whoever is responsible for compliance. HHS guidance [6].

Which service sends faxes faster?

We have not run comparable transmission tests, so we do not declare a speed winner. For a critical workflow, test representative document sizes and destinations and review the service commitments available to your organization.

Make the shortlist fit your workload

Start with the eligible plan, your normal and peak volume, and the controls your team needs. Then use the vendor’s current documentation and a small approved trial to resolve the remaining questions.

Sources and research boundaries

Primary documents were reviewed on September 10, 2026. Provider claims describe advertised capabilities; they are not independent performance or security tests. Prices can change. This comparison is general purchasing information and does not determine an organization’s legal compliance.

  1. FAX.PLUS — Plans and pricing. Plan allowances, monthly/annual billing, overages and porting notes.
  2. SRFax — Healthcare solutions. Healthcare tier prices, volume and account features.
  3. Alohi Help — HIPAA eligibility by FAX.PLUS plan.
  4. Alohi Help — Email-to-fax for healthcare accounts.
  5. Alohi Help — Integrations under Advanced Security Controls.
  6. HHS — Guidance on HIPAA and cloud computing.
  7. SRFax — HIPAA and security statement. Used for documented access and BAA claims; promotional exclusivity claims are not adopted.
  8. SRFax — Internet fax API.
  9. SRFax — Porting your number. Conflicting timing descriptions are disclosed above.

By the FaxScout Editorial Team. See our research methodology and corrections policy.