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Best Customer Service Fax Software in 2026

Customer service fax software lets support staff send and receive faxes through online services or connected apps. This list covers options for businesses that still handle faxed customer documents.

  1. 1

    FAX.PLUS

    Free plan AndroidiPhoneWeb

    FAX.PLUS offers a small free allowance and several paid page-and-member tiers. Check the per-fax limit and included number or member count against your needs.

    7.4 Free plan · paid from $6.99/mo Visit site
  2. 2

    Dropbox Fax (formerly HelloFax)

    Free plan Web

    Dropbox Fax covers web and email faxing, with a small free sending allowance and paid inbound faxing. Consider the lack of mobile apps and the unlisted paid pricing when deciding whether it fits.

    7.3 Free plan · 30-day trial Visit site
  3. 3

    FaxZero

    Free plan Web

    FaxZero focuses on outbound faxing through a browser, with a limited free option and a 3.29 USD monthly plan.

    7.0 Free plan · paid from $3.29 Visit site
  4. 4

    eFax

    Free trial AndroidAPIiPhone+3

    eFax covers inbound and international faxing across major desktop and mobile platforms, with plans for individuals, teams, and corporate requirements.

    6.5 7-day trial Visit site
  5. 5

    InterFAX

    by InterFAX
    Free trial AndroidAPIiPhone+2

    Choose InterFAX if you need hosted faxing across email, web, devices, or applications, with international sending and developer APIs.

    6.2 Pricing on request · 30-day trial Visit site
  6. 6

    MyFax

    by MyFax
    Free trial AndroidAPIiPhone+1

    MyFax combines browser and mobile access with incoming, international, and virtual-number faxing.

    6.1 From $12/mo · 14-day trial Visit site
  7. 7

    mFax (now Documo)

    Free trial APIiPhoneWeb

    Documo provides cloud faxing, API access, document processing, and healthcare-focused compliance claims.

    6.0 From $25/mo (annual) · 14-day trial Visit site
  8. 8

    Nextiva

    by Nextiva
    Free trial AndroidAPIExtension+5

    Nextiva combines business calling with messaging, meetings, and collaboration features across its plans. The listed monthly options begin at $15 a month, and there is no free plan or trial.

    6.0 From $15/user/mo Visit site
  9. 9

    iFax

    by iFax
    Paid WebWindowsMac+2

    Choose iFax if you need virtual number faxing, inbound and international service, or access across its listed platforms.

    5.8 From $12.49/mo · 7-day trial Visit site
  10. 10

    SRFax

    by SRFax
    Paid AndroidAPIiPhone+3

    SRFax offers multi-platform faxing with inbound service, virtual numbers, mobile apps, and international support.

    5.4 From $12.60/mo Visit site
  11. 11

    WestFax

    by WestFax
    Paid AndroidAPIExtension+4

    Choose WestFax if you need a virtual number for inbound faxing, international faxing, and access across desktop and mobile platforms.

    5.3 From $14.99/mo Visit site
  12. 12

    RingCentral Fax

    Paid AndroidiPhoneWeb
    4.4 30-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare free plans, trial length, pricing after a trial, and supported platforms such as web, iOS, Android, API, Windows, and macOS. If you need to read or change code, check the product's licence before choosing.

Questions

Which fax services have a free plan?

Dropbox Fax, FAX.PLUS, and FaxZero are listed with free plans.

Which services offer a trial?

Dropbox Fax lists 30 days, eFax 7 days, mFax 14 days, and RingCentral Fax 30 days.

What does FAX.PLUS cost after its free plan?

FAX.PLUS is listed with paid plans from $6.99 per month.

Does mFax have a free plan?

No. mFax, now Documo, is listed as paid from $25 per month with annual billing and a 14-day trial.

Which platforms can these tools support?

Platforms represented in this category include web, iOS, Android, API, Windows, and macOS. Check the product details for the platform you need.

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