Integrations, team features and security side by side, then each product's plans, pros and cons.
Feature comparison of Hemingway, ProWritingAid and Sapling
Feature
Hemingway
ProWritingAid
Sapling
Integrations
Microsoft Word
–No
Yes
Yes
Microsoft Outlook
–No
Yes
Yes
Google Docs
–No
Yes
Yes
Products and features
Style guide
Yes
Yes
Yes
Tone prediction
–No
–No
Yes
Autocomplete
–No
–No
Yes
Snippets / macros
–No
Yes
Yes
Suggested responses
–No
–No
Yes
Customization
Built for sales
–No
–No
Yes
Built for support
–No
–No
Yes
Multiple languages
–No
–No
Yes
Custom models
–No
–No
Yes
Security
HIPAA
–No
Yes
Yes
SOC 2 Type II
–No
–No
Yes
API access
–No
Yes
Yes
Self-hosting
Yes
–No
Yes
Sapling is shown for reference.
Hemingway
Hemingway is a popular editor that helps writers make their writing more bold and clear. Given a document, Hemingway provides statistics such as number of words and paragraphs, a readability score, and suggestions for passive voice, complex phrases, and hard to read sentences.
Plans
Web and desktop editor
Statistics including reading time, words, sentences, and paragraphs
Flagging of adverbs and passive voice
Flagging of complex phrases and sentences
Pros
Quick to use
Simple design and colorful interface that highlights different categories of errors
Desktop application runs offline
Cons
Not focused on business use cases
Relies on relatively simple heuristics
Doesn't suggest edits and no browser extension
Reviews
Hemingway does not have a Chrome Web Store listing, so public review data is unavailable
ProWritingAid
ProWritingAid is a grammar and style checker that also provides reporting to improve your writing. It includes options for creative writing, business writing, and academic writing, with scoring of variety, readability, passive voice, and other indicators of writing health.
Plans
Free version provides basic grammar and spelling checks through its website and browser extensions
Premium version has no word count limits, a desktop app, a writers resource library, and unlimited writing reports
Premium Plus version has everything the premium version has along with 60 plagiarism checks per year
Enterprise plan for teams includes account management, custom integrations, and team analytics
Pros
Includes scoring on variety of axes
Enterprise plan provides term base items and style guide rules
Many integrations including for Microsoft office and Google Docs
Premium version offers a plagiarism checker
Cons
Not focused on business use cases
No snippets or macros
Reviews
ProWritingAid has 4,523 ratings and 200,000+ users on their Chrome Web Store with an average rating of 4.8 stars out of 5 (as of May 2022)