Fax.Plus Review (2026): Features, Pricing, Security & Competitors

01 · Introduction and quick verdict

Is Fax.Plus worth using?

Fax.Plus is a cloud fax service for sending and receiving documents without maintaining a fax machine, line, or server. You can work from a web app, iOS or Android device, email, supported Google and Microsoft tools, desktop print workflows, multifunction printers, or a documented API. That makes it relevant to freelancers, home offices, clinics, legal teams, finance departments, and enterprises that still exchange documents with organizations that have not left faxing behind.

My qualified verdict is positive for the workflow, not unconditional on price. Fax.Plus has an unusually useful free tier for occasional outbound faxing, broad device coverage, a modern web experience on paper, and a clear path from solo use to team administration. It is less compelling when you need to receive faxes for free, want an API on a lower-cost plan, need HIPAA or regional data residency without Enterprise, or fax enough international pages that destination billing changes the calculation.

This review is based on publicly available product documentation, pricing, security materials, developer documentation, and current competitor pages. I did not perform a hands-on fax transmission, audit the vendor’s controls, or import customer ratings. Information and pricing were checked on November 13, 2026.

03 · What is Fax.Plus?

A cloud fax layer for mixed old-and-new workflows

Fax.Plus sits between the traditional fax machine and the modern document stack. A user can upload a PDF in a browser, scan a page from a phone, send through email, print to a virtual fax device, or connect a software system through the API. Inbound faxes arrive in the account and can be routed through the user’s chosen workflow. This is useful because fax is rarely a standalone task: a document starts in Word or Google Docs, gets signed or scanned, is sent to a hospital or government office, and then needs a delivery record.

The intended audience is broad, but the plan structure separates solo use from organizational use. A person faxing a few pages to a bank may only need the Free plan or a Basic subscription. A small business that needs a dedicated number and inbound documents needs paid service. A larger team may need shared numbers, individual members, permissioning, usage allocation, SSO, and an API. The latter features should be treated as Enterprise buying criteria rather than assumed features of every plan.

Sending, receiving, and numbers

Fax.Plus documents sending from the web application, mobile apps, email, Google products, multifunction printers, and print-to-fax workflows on Windows and macOS. The web flow supports uploaded documents and a rich-text page, and the help documentation describes file ordering, cover pages, contacts, scheduling, and transmission notifications. Mobile users can select files from device storage or cloud services and use a phone camera for a paper document. The exact maximum upload size and file-count rules still matter for large packets; the current help material describes up to 10 files per fax and a 75 MB maximum for a file upload.

Receiving is the first important boundary. The free plan does not supply a dedicated number or inbound faxing. A paid plan is required, and inbound pages draw from the same monthly page allowance as outbound pages. That is a straightforward model, but a team that receives a lot of pages can consume its quota without sending much. Fax.Plus offers local and toll-free numbers, number porting on eligible plans, random numbers at no extra one-time charge within the plan, and custom-number options for a fee. Number eligibility depends on the country and the plan, so the number-selection screen is part of the purchasing decision.

Workflow features and collaboration

For routine faxing, the practical feature set is solid: contacts, reusable cover sheets, scheduled sending, delivery status, confirmation reports, multiple recipients, blacklisting, and the ability to turn off fax reception are all documented. Fax broadcasting can reach up to 500 recipients, which may suit a regulated notice or a recurring operational process, but it is not the same as a high-volume transactional API and destination charges still need checking.

Business and Enterprise add team members, shared numbers, centralized administration, role controls, quotas, and activity visibility. Business is aimed at smaller teams, while Enterprise expands the member and number model and adds SSO, SCIM through Okta, stronger admin controls, and audit-oriented management. Those distinctions are meaningful if several people share an inbox: separate logins and ownership are safer and easier to review than one generic mailbox.

Integrations, API, and AI

Fax.Plus lists Google Workspace, Google Docs, Google Drive, Google Sheets, Microsoft Word and Word Online, Slack, Microsoft Teams, Zapier, multifunction printers, and print-to-fax among its integrations or supported workflows. Availability can depend on plan, app version, or organization policy, so a buyer should confirm the exact connector rather than treating a marketplace logo as proof of every action.

The documented REST API is the serious automation option. Fax.Plus describes sending and receiving, delivery status, fax-number management, webhooks, signed events, replay, filtering, OAuth 2.0 or personal access tokens, and SDK examples. The current pricing and Help Center materials place API access on Enterprise. That is sensible for a large system with security and support requirements, but expensive for a developer who only wants to add a few outbound faxes to a small application. Fax.Plus also advertises AI Text Transcript and AI Data Extraction on Enterprise. Those features can make inbound documents searchable or return structured fields, but they introduce the usual questions about accuracy, sensitive data handling, human review, and per-plan limits.

06 · Pros and cons

The short version of the trade-offs

10 · Frequently asked questions

Fax.Plus questions buyers ask