The Best HIPAA Fax Services, Honestly Compared
If you handle protected health information, your fax service must be HIPAA compliant with a signed Business Associate Agreement. We compared the five most popular HIPAA-compliant fax services — including our own — so you can make an informed decision. Here's what we found.
Feature Comparison
| Feature | AvoFax | Other HIPAA Fax Services |
|---|---|---|
| Monthly price | From $9/mo | Varies ($3-$32/mo) |
| BAA included (all plans) | Varies by provider | |
| eFax — HIPAA + BAA | --- | Corporate tier only ($$$) |
| SRFax — HIPAA + BAA | --- | All plans ($3.29+/mo) |
| Updox — HIPAA + BAA | --- | All plans (custom pricing) |
| WestFax — HIPAA + BAA | --- | All plans ($9.99+/mo) |
| 256-bit TLS encryption | Most providers | |
| Audit trail / activity log | Varies | |
| Mobile app | iOS & Android | eFax, Updox only |
| API access | SRFax, WestFax | |
| Modern interface | Updox only | |
| Email-to-fax | All providers |
Pricing as of March 2026. eFax Corporate: custom pricing. SRFax: $3.29-$49.95/mo. Updox: custom pricing (typically $50-100+/mo). WestFax: $9.99-$34.99/mo. AvoFax: from $9/mo.
Why Teams Switch to AvoFax
BAA on Every Plan — No Upsell
Some providers (like eFax) lock HIPAA compliance behind their most expensive tiers. We include a signed BAA on every AvoFax plan because healthcare practices shouldn't have to pay a premium just for compliance basics.
The Most Affordable HIPAA Option
Among the five services compared, AvoFax offers the best price-to-feature ratio for HIPAA-compliant faxing. SRFax has a cheaper entry plan ($3.29/mo) but with only 25 pages. WestFax starts at $9.99. eFax Corporate pricing isn't published. AvoFax gives you 200 pages for $9/mo.
Detailed Audit Logging
HIPAA requires that you can track who accessed what and when. Our audit trail records every fax event — sent, delivered, failed, viewed, downloaded, forwarded — with timestamps and user attribution. Not all competitors offer this level of detail.
Mobile Faxing for Clinical Staff
Doctors and nurses don't always have a computer nearby. Our mobile app lets clinical staff scan and fax documents from a patient room in seconds. Among the services compared, only eFax and Updox also have mobile apps — and Updox is significantly more expensive.
Fast Setup, No IT Overhead
Updox requires onboarding and integration setup with your practice management system. WestFax and SRFax have dated portals that need orientation. AvoFax takes 2 minutes to set up and your team can start immediately.
Purpose-Built for Compliance
We designed AvoFax from day one with healthcare and legal compliance in mind. Encryption, access controls, audit trails, and BAA support aren't add-ons — they're part of the foundation.
Frequently Asked Questions
Which fax service is best for HIPAA compliance?
All five services on this list support HIPAA compliance, but the availability and cost differ. AvoFax, SRFax, Updox, and WestFax include BAA on all plans. eFax only offers BAA on their Corporate tier at custom pricing. For the best combination of compliance, features, and price, we recommend AvoFax — though we acknowledge we're biased.
What is a BAA and why does it matter for faxing?
A Business Associate Agreement (BAA) is a contract required under HIPAA between a covered entity (like a healthcare provider) and a service provider that handles protected health information (PHI). Without a signed BAA, using an online fax service to send PHI could result in HIPAA violations and fines.
Is Updox worth the higher price?
Updox is a full practice management and patient communication platform, not just a fax service. If you need appointment reminders, patient messaging, and EHR integration in one package, Updox may be worth it. If you only need fax, it's overkill — their pricing typically starts at $50-100+/month per provider.
How does SRFax compare for healthcare faxing?
SRFax is a solid, reliable HIPAA-compliant fax service that's been serving healthcare practices for years. Their main limitations are a dated web interface, no mobile app, and limited search/organization features. For practices that just need basic send-and-receive, SRFax works fine. For a more modern experience, AvoFax is the better choice.
Does WestFax support healthcare compliance?
Yes. WestFax is HIPAA compliant and includes a BAA on all plans. They offer a clean API and reliable service. Their interface is functional but basic, and they don't offer mobile apps. Pricing starts at $9.99/mo for 100 pages.
Can I switch to AvoFax from any of these services?
Yes. AvoFax supports number porting from eFax, SRFax, WestFax, and most other fax providers. The porting process takes 5-10 business days, and our support team handles the coordination. You can also start with a new number in about 2 minutes.