Health Literacy Advisor

Health Literacy Advisor (HLA) assesses and improves document readability using plain-language principles. Its desktop software works within Microsoft Word, where it highlights complicated words, words with three or more syllables, and long sentences. It includes nine readability indices, including Fry-Based, Precise SMOG, Gunning-Fog, ARI, Flesch-Kincaid, Dale-Chall, FORCAST, and Coleman-Liau. An interactive Search and Replace feature offers plain-language alternatives and descriptions for more than 12,000 difficult words, phrases, and medical jargon. The ReadEasy Document Assessment tool combines readability data with a self-assessment of readability, content, design, and cultural appropriateness. HLA Online assesses documents in a browser and saves them with their scores and details. It works on desktop computers, laptops, tablets, and mobile devices running Windows, Macintosh, Android, or iOS. The online service is hosted on a private remote server described as HIPAA compliant. Licenses last 365 days from activation and are for one identified individual; sharing or transfer requires written permission. English Desktop and Online licenses cost $499 a year; English and Spanish versions cost $599 a year. A free trial is listed, but there is no free plan.

HLA pairs readability scoring with word-level guidance and a broader document self-assessment. Review the annual license term and single-user restriction when evaluating it.

HLA may suit people who prepare documents and want readability measures and plain-language alternatives. Its browser version supports a range of desktop and mobile operating systems, while the desktop version works within Microsoft Word.

Health Literacy Advisor is a document review tool that scores readability and guides plain-language improvements. It best suits people who regularly prepare health information and need a structured review beyond a single score. Its range of language tools is substantial, while the annual individual license can be restrictive for shared teams and occasional users.

Overview

HLA brings readability measures, word-level guidance, and a broader document self-assessment into one workflow. The desktop edition works inside Microsoft Word, which lets writers examine documents without moving text to a separate program. HLA Online adds saved documents and retained scores and document details, making it useful for people who revisit work over time.

The ReadEasy Document Assessment considers readability alongside content, design, and cultural appropriateness. That wider lens can help reviewers think about how a health document communicates as a whole; it is a more involved process than checking a score and moving on.

Key features

Readability and language guidance

HLA offers nine readability scores, grade-level analysis, and sentence-complexity review. Its named indices include Fry-Based, Precise SMOG, Gunning-Fog, ARI, Flesch-Kincaid, Dale-Chall, FORCAST, and Coleman-Liau. Using several measures gives document reviewers more than one way to assess reading difficulty, though interpreting multiple scores takes more attention than relying on a single benchmark.

The interactive Search and Replace lexicon provides plain-language alternatives and descriptions for more than 12,000 difficult words, phrases, and medical terms. HLA also highlights complicated words, words with three or more syllables, and long sentences. These tools make the product more useful for revising health materials than a score-only checker, while leaving the writer to judge which suggested changes suit the intended meaning.

Desktop and online workflows

The desktop version runs within Microsoft Word, a practical fit for writers who already create and edit documents there. HLA Online works in browsers on desktop computers, laptops, tablets, and mobile devices running Windows, Macintosh, Android, or iOS. It stores documents in one place and retains their readability scores and details, which suits a continuing review workflow.

HLA Online is hosted on a private remote server described as HIPAA compliant. Health Literacy Innovations says it does not track or collect information about users, their documents, or their software use unless specifically authorized. Those commitments may matter to organizations handling sensitive material, though each license remains limited to one identified person.

Pricing

The English Online and Desktop plans each cost $499 a year, billed once for a new single license. Choose Online for browser access and document storage, or Desktop for the Microsoft Word workflow. Both cost the same and cover one person, so neither is a shared team license. The English & Spanish Online and Desktop plans each cost $599 a year, billed once for a new single license; they suit users who need the product in both languages.

Each license runs for 365 days from activation and may not be shared or transferred without written permission. A free trial is available, but there is no free plan. Volume Pricing covers multiple licenses, with discounts of 10% for two years, 15% for three years, and 20% for four years; the price is custom pricing. Product questions and problems go through Health Literacy Innovations' customer support page or 301.230.4966.

Platforms

HLA is available on Android, iOS, macOS, web, and Windows. The desktop edition works within Microsoft Word, while HLA Online provides browser access across computers, tablets, and mobile devices. The company is headquartered in Bethesda, Maryland, United States.

Who it's for

HLA is a strong fit for health communicators, editors, and organizations that routinely assess health documents and want both readability scoring and a structured review of content, design, and cultural appropriateness. The lexicon and sentence highlighting support revision, while the Word and browser options accommodate different document workflows.

It is less compelling for occasional checks, people who need a free tool, or teams that expect one license to cover several users. Its annual cost and individual license make most sense when this specialized review work is a regular responsibility.

Pros and cons

• Pros: Nine readability scores and grade-level analysis provide several views of reading difficulty.
• Pros: A lexicon of more than 12,000 terms and targeted highlighting support concrete plain-language edits.
• Pros: ReadEasy adds review of content, design, and cultural appropriateness alongside readability.
• Pros: Word integration and browser-based access offer distinct workflows, with saved documents and scores in HLA Online.
• Cons: The English license costs $499 a year for one person, which is a significant commitment for infrequent use.
• Cons: Licenses cannot be shared or transferred without written permission, so teams need multiple licenses.
• Cons: There is no free plan for ongoing use after the trial.

Alternatives

For a no-cost starting point, ToolsVale Readability Checker has a free plan and supports Android, iOS, Linux, macOS, web, and Windows; it is maintained by a small independent team with a web development background. Choose it when broad platform coverage and free access matter more than HLA's health-document assessment and word-level lexicon.

APIVerve Website Readability API offers a free plan with 200 credits per month, a five-request-per-minute limit, non-commercial use, required attribution, and community support. It is a better match for readers seeking an API with a free entry tier than HLA's individual document-review workflow.

Readability is a free, MIT-licensed GitHub Action, CLI, and Docker image for Linux, macOS, and Windows. It suits a developer looking for a free tool in those formats; HLA is the more focused option for health document review and plain-language editing.

textstat is a free, MIT-licensed Python package for Linux and self-hosted environments. Choose it when a Python package fits the work; HLA offers a Word-based or browser workflow and a broader self-assessment.

A2Z Tools Plain Language Analyzer is a free, English-only online tool, making it an option for readers who want a no-cost web check.

ApyHub Readability Scores Documents API has a free starter tier with 3,000 atoms per month, one API key, five requests per second, one team member, and MCP access for Claude and Cursor. Choose it when an API workflow and those free-tier limits suit your needs.

Botoi Readability API offers a free plan with 1,000 requests per day, ten requests per minute, access to more than 150 endpoints, MCP server access, JSON responses, and community support. It fits readers seeking a free API with those request limits and endpoint access.

Oanor Readability API is another API alternative.

Browse AI Readability Checkers for more options.

Verdict

Health Literacy Advisor is a good choice for professionals who regularly revise health information and need multiple readability measures, plain-language suggestions, and a broader document assessment. The combination makes it more useful for that work than a basic checker. Look elsewhere if you need a free ongoing option, shared seats, or only occasional readability scores: its $499 annual English license is for one individual, and the bilingual edition costs $599 a year.