By David Thompson · Published April 14, 2026 · Updated June 8, 2026 · 10 min read
When you need to compare fax services, the choices feel endless — and the pricing pages are deliberately confusing. Entry-level plans hide HIPAA fees, page counts split send vs. receive, and "free trials" require a credit card. We cut through the noise.
We evaluated seven major online fax services on five criteria that actually matter: pricing transparency, HIPAA compliance availability, mobile experience, international coverage, and reliability. Here is exactly what we found.
Quick Verdict
Best for personal/mobile use: mFax.to — fax from your phone in under 2 minutes. Best for healthcare: mFax Business — HIPAA included on every plan, no upgrade required. Best budget option: Fax.Plus — free plan available; paid plans from $6.99/month. Best for enterprise/legal: eFax — 30 years of history, FedRAMP authorized, 200+ countries.
What We Compared
Before picking a fax service, you need to understand what you're actually comparing. Here are the five criteria that determine whether a service is worth paying for.
Pricing transparency — does the advertised price include everything, or do HIPAA compliance, setup fees, and number porting cost extra? eFax charges a $10 setup fee and locks HIPAA behind its most expensive plan. That $18.99/month entry price becomes $49.99 the moment you work in healthcare.
HIPAA availability — which plan tier includes a Business Associate Agreement (BAA)? Sending protected health information without a signed BAA violates HIPAA regardless of how secure the service claims to be. This is the single most important factor for healthcare, legal, and insurance organizations.
Mobile experience — in 2026, most fax users send from their phones. A service without a good mobile app is a significant disadvantage.
International coverage — if you send faxes outside North America, check country coverage before committing. MetroFax, for example, covers the US and Canada only.
Reliability — delivery success rate and what happens when a fax fails. Some services auto-retry failed transmissions; others leave you guessing.
Full Comparison Table
Here is every service compared side by side on the metrics that matter most:
| Service | Starting Price | Pages | Free Trial | HIPAA | Mobile App | International |
|---|---|---|---|---|---|---|
| mFax.to | From $9/mo | ~250 | 14 days | All plans ✓ | Consumer app | Yes |
| eFax | $18.99/mo | 340 | $5 first month | Protect only ($49.99) | iOS & Android | 200+ countries |
| Fax.Plus | Free / $6.99/mo | 10 free / 200 | Free plan | Enterprise only ($99.99) | iOS & Android | 180+ countries |
| RingCentral | $17.99/mo | 1,500 | Free trial | All plans ✓ | Full UCaaS app | Yes |
| MetroFax | $9.96/mo | 500 | 14 days | None ✗ | iOS & Android | US & Canada only |
| CocoFax | $4.99/mo | 60 | 30-day MBG | Claimed all plans | iOS & Android | Yes |
| HelloFax | $9.99/mo | 300 | 5 pages (lifetime) | Business plan | None ✗ | Limited |
Watch for Hidden Costs
Always check: (1) whether pages are pooled or split send/receive, (2) overage rate per page, (3) whether HIPAA/BAA requires upgrading to a higher tier, and (4) cancellation policy. eFax requires a phone call to cancel — a notorious friction point.
Service-by-Service Reviews
mFax.to — Best for Healthcare and Mobile Users
mFax.to
Best for HealthcaremFax.to stands out with one feature that no other service in this comparison matches: HIPAA compliance on every paid plan. eFax locks it behind a $49.99/month tier. Fax.Plus requires a $99.99/month Enterprise subscription. With mFax, a small medical practice paying about $9/month gets the same BAA and encryption as a large health system.
Plans start at about $9/month (billed annually) for mFax Business — and unlike the rigid fixed tiers of most competitors, it is fully customizable: you build your own plan with a live calculator, choosing the exact seats (1–35) and pages (200–5,000) you need at $3/seat + $4 per 100 pages and paying only for what you use. Every plan includes a dedicated virtual fax number, TLS 1.2 + AES-256 encryption, audit trails, and team accounts. The REST API is the strongest of any service reviewed — ideal for clinics integrating fax with their EHR workflows — and is documented at developers.mfax.to, with API access included on every mFax Business plan.
The consumer mFax app handles personal faxing: snap a document, enter a fax number, send in under 2 minutes. Over 5 million users and a 4.8-star App Store rating back that claim up.
Pros
- HIPAA compliance included on every paid plan
- No upgrade required for a BAA
- Strong REST API for integrations
- Competitive overage rate (~$0.025/page)
- 14-day free trial
Cons
- No dedicated native mobile app for the business product
- Pricing requires contacting sales for higher tiers
- Less brand recognition than legacy services
eFax — Best for Enterprise and Legal
eFax
Best for EnterpriseeFax is the most established name in online faxing — operating since 1996. For organizations with FedRAMP compliance requirements (federal agencies, government contractors) it is often the only viable option. No other mainstream fax service carries FedRAMP authorization.
However, eFax has not evolved its customer experience to match modern competitors. The $10 setup fee is unusual in 2026. The cancellation process — which requires calling a retention department — generates consistent complaints across review platforms. And the $0.10–$0.15/page overage rate is the highest we found.
Best for: Law firms, federal government contractors, large healthcare systems needing HITRUST certification, companies with existing enterprise agreements.
Pros
- 30+ years of operating history
- FedRAMP authorized (unique among mainstream services)
- HITRUST certification
- 200+ countries international coverage
- 24/7 enterprise support
Cons
- HIPAA locked behind $49.99/month Protect plan
- Requires a phone call to cancel — no online option
- $10 setup fee on top of subscription
- Highest overage rate reviewed: $0.10–$0.15/page
- Promo pricing creates billing confusion
Fax.Plus — Best for Freelancers and Integrations
Fax.Plus
Best for FreelancersFax.Plus has the most modern product of any service in this comparison. The free plan — with 10 pages and no time limit — is genuinely useful for occasional faxers. The paid Basic plan at $6.99/month (billed annually) is the lowest entry price of any quality service reviewed.
Where Fax.Plus truly excels is integrations. It connects natively with Slack, Google Workspace, Microsoft 365, and Zapier, making it easy to send faxes from inside tools you already use. The companion Sign.Plus app handles eSignatures in the same ecosystem.
The key limitation: HIPAA compliance requires the $99.99/month Enterprise plan. This rules Fax.Plus out for most healthcare use cases. For freelancers, consultants, and small businesses in non-regulated industries, it is hard to beat.
Pros
- Permanent free plan (10 pages, no credit card)
- Paid plans from $6.99/month (annual billing)
- Best integration library: Slack, Zapier, Google Workspace, Microsoft 365
- ISO 27001 and SOC 2 Type 2 on all plans
- Native eSignature tool (Sign.Plus) from same company
- 180+ country international coverage
Cons
- HIPAA/BAA only on Enterprise tier at $99.99/month
- Free plan is send-only (no inbound fax number)
- Business plan capped at 5 members
RingCentral Fax — Best for Businesses Needing a Full Communications Suite
RingCentral Fax
Best for Unified CommsIf your organization already uses RingCentral for phone and video — or is evaluating a unified communications platform — fax is bundled into every RingEX plan at no extra cost. The standalone fax-only plan at $17.99/month gives 1,500 pages, which beats most competitors at that price point.
For teams that purely need fax and nothing else, RingCentral is overcomplicated and over-priced. But for businesses replacing a phone system and a fax machine simultaneously, it is an efficient consolidation. HIPAA compliance with BAA is available on all plans, making it viable for healthcare organizations that also need a full phone system.
Pros
- Unlimited faxing bundled with voice, video, and messaging
- HIPAA compliant on all plans with BAA
- 1,500 pages on standalone fax plan at $17.99/month
- Full mobile app as part of RingEX suite
- 750+ third-party integrations
Cons
- Expensive and complex if you only need fax
- Per-user pricing adds up quickly for large teams
- Annual billing required for best rates
- Overkill for personal or small-volume faxing
MetroFax — Best Pages Per Dollar (Domestic)
MetroFax
Best Value (US/Canada)MetroFax wins on pure page volume. No other service in this comparison offers 500 pages per month at ~$10, with an overage rate of just $0.03/page. If you are faxing large volumes domestically and do not need HIPAA compliance, MetroFax delivers the best economics.
The trade-offs are significant: international faxing is unavailable, and there is no HIPAA compliance at any plan tier. For a general-purpose domestic business fax line — contracts, permits, non-sensitive documents — MetroFax is the pragmatic choice.
Pros
- 500 pages for ~$9.96/month (annual) — best pages-per-dollar ratio
- Industry-lowest overage at $0.03/page
- Free fax number porting
- 24/7 phone, email, and chat support
- 14-day free trial
Cons
- US and Canada only — no international faxing
- No HIPAA compliance at any tier
- Limited security documentation
- Not suitable for regulated industries
CocoFax — Best Budget Option with Compliance Claims
CocoFax
Budget PickCocoFax offers the lowest advertised price in this comparison at $4.99/month annually. It is the only service to explicitly claim PHIPA compliance (Canada's healthcare privacy law), which matters for Canadian medical practices.
However, the user review record raises concerns. Reports of a ~20% fax failure rate — higher than any competitor reviewed — are a red flag for time-sensitive or compliance-critical documents. The 60-page limit on the entry plan is also tight for regular business use. CocoFax works best for light users who want Google Workspace integration at minimal cost.
Pros
- Lowest annual entry price: $4.99/month
- Claims HIPAA, GDPR, and PHIPA compliance
- PHIPA support is unique for Canadian healthcare orgs
- 30-day money-back guarantee
- Strong Google Workspace and Slack integrations
Cons
- Only 60 pages on cheapest plan — very limited
- ~20% fax failure rate reported in user reviews
- Customer support response times inconsistent
- HIPAA tier specifics require verification before healthcare use
HelloFax (Dropbox Fax) — Best for Google/Dropbox Ecosystem
HelloFax
Best for Dropbox/Google UsersHelloFax (now part of Dropbox) is the right choice only if your team is heavily invested in the Dropbox or Google ecosystem. The integration depth is unmatched: fax from Gmail, auto-save to Google Drive, sign documents with Dropbox Sign. For teams already paying for Dropbox Business, the fax capability feels native.
The lack of a mobile app is a real limitation in 2026. If your team works on phones or tablets, HelloFax requires using the mobile browser — which is a worse experience than any competitor with a dedicated app.
Pros
- Seamless Dropbox and Google Drive integration
- Built-in eSignature via Dropbox Sign
- Fax directly from Gmail and Google Docs
- Home Office plan at $9.99/month for 300 pages
Cons
- No native mobile app — web and email only
- Only 5 free pages (lifetime, non-renewable)
- HIPAA requires a special business arrangement
- Limited standalone value outside Dropbox ecosystem
- Customer support availability is limited
How to Choose the Right Fax Service
The right service depends entirely on your use case. Use this framework:
Are you faxing sensitive health information?
If yes, HIPAA compliance is non-negotiable. Your options are:
- mFax Business — HIPAA on every paid plan, most cost-effective for small-to-mid healthcare orgs
- eFax Protect — $49.99/month minimum, but carries HITRUST and FedRAMP certifications for enterprise healthcare
- RingCentral — good choice if you also need a phone system
Always request a signed Business Associate Agreement (BAA) before sending any PHI.
Are you an individual or occasional faxer?
- mFax.to app — send from your phone in under 2 minutes, pay per fax or subscribe
- Fax.Plus free plan — 10 free pages with no credit card required
- MetroFax — if you fax more regularly and only need US/Canada coverage
Does your team use Google Workspace or Slack?
- Fax.Plus — best integration library, $6.99/month annual
- HelloFax — if you are already deep in the Dropbox ecosystem
- CocoFax — budget option with Google and Slack integrations
Do you need maximum pages for the price?
- MetroFax — 500 pages at ~$10/month with $0.03/page overages
- RingCentral standalone — 1,500 pages at $17.99/month
Do you need international faxing?
- eFax — 200+ countries, the broadest coverage
- Fax.Plus — 180+ countries, more modern pricing
- MetroFax — not an option (US/Canada only)
One Test Before You Commit
Send a test fax to yourself before upgrading to a paid plan. Every service on this list offers either a free trial or a free-page allotment. A failed test fax is free information — a failed fax during a mortgage closing or medical referral is not.
What the Numbers Show
The online fax market is splitting into two segments. Legacy services (eFax, MyFax) built their moats on enterprise certifications and long-term contracts. Modern services (Fax.Plus, mFax, CocoFax) compete on price, integrations, and user experience.
For most businesses in 2026, the modern tier offers better value. The main exception is organizations with specific compliance certifications — FedRAMP, HITRUST, or government-sector requirements — where eFax's legacy enterprise infrastructure remains the stronger choice.
| Your situation | Recommended service |
|---|---|
| Healthcare, any size | mFax Business |
| Federal agency or FedRAMP required | eFax Protect |
| Individual/occasional faxer | mFax.to consumer app |
| Freelancer or small team | Fax.Plus |
| High-volume domestic (US/Canada) | MetroFax |
| Full UCaaS replacement | RingCentral |
| Dropbox/Google power user | HelloFax |
| Canadian healthcare (PHIPA) | CocoFax |
The Bottom Line
When you compare fax services on what actually matters — price per page, HIPAA availability, mobile experience, and reliability — mFax.to and Fax.Plus emerge as the best options for most users.
mFax Business earns its position by including HIPAA compliance on every plan, not as an expensive add-on. The mFax consumer app handles personal faxing better than any competing mobile experience. For healthcare organizations particularly, mFax Business offers the clearest path to compliance at the lowest cost.
eFax remains the gold standard for enterprise-level certifications. MetroFax wins purely on domestic page volume. Fax.Plus wins on integrations and the best free plan available.
Whatever service you choose, take the free trial seriously. Send real documents to real fax numbers before committing to a year-long subscription.
Try mFax.to free — no machine, no store, no waiting. For business teams, mFax Business starts at about $9/month with HIPAA compliance included — build your own plan around the seats and pages you actually use, no fixed tiers.