ProWritingAid vs WordAi

Pricing, features, platforms and who each one suits — side by side.

ProWritingAid

Grammar checking, line editing and story critique for fiction writers

FreemiumVisit site

WordAi

AI rewriter that restructures sentences and rewrites articles in bulk

From $9/moVisit site

Choose ProWritingAid if…

you want a free plan to start with
you work on macOS, Windows, Chrome
you're in its core audience: novelists and fiction writers, self-published authors

Choose WordAi if…

you need an API to build on
you want to trial it before paying
you're in its core audience: seo publishers, content marketers

Side by side

FeatureP

ProWritingAidW

WordAi

Pricing modelFreemiumFree trial

Starting price—$9/mo

Free plan

Free trial

API

Open source

Trains AI on your contentNo—

Data retentionAnalysed text deleted after checking; only explicitly saved documents are kept—

Security and complianceGDPR—

AI rewrites—

Tone adjustment—

Plagiarism checker—

Word/Google Docs add-in—

Custom style guide—

PlatformsWeb, macOS, Windows, ChromeWeb, API

CategoryGrammar & ProofreadingParaphrasing & Rewriting

Rank in its category#4 of 5—

CompanyOrpheus Technology LtdCardinell Enterprises LLC dba Cortx

Based inUnited KingdomUSA

Founded2013—

Part of——

What you'd pay

The cheapest plan that fits, per month, billed yearly where the plan offers it.

Team size	ProWritingAid	WordAi
1 person	no published plan	$9 Starter
5 people	no published plan	$9 Starter
20 people	no published plan	$9 Starter

What the free plans include

ProWritingAid

Each line editing report can be run 2 times per day on 500 words of text
10 Rephrases per day
3 Sparks per day
3 Creative Nudges per day

WordAi

No free plan.

Key features

P ProWritingAid

Grammar, spelling and punctuation checker
25+ writing analysis reports
Rephrase tool for rewriting sentences
Chapter Critique and full manuscript analysis
Story Canvas and Outline Crafter for planning
Comparison of your writing style with 90 fiction authors
Integrations with Word, Google Docs, Scrivener and browsers
Custom style guide and dictionary

W WordAi

Sentence restructuring and splitting
Adjustable creativity level
Up to 1,000 rewrites per article
Bulk rewriting and bulk export, including spintax
HTML support and code view
Spelling and grammar fixes
Article Forge integration for importing articles
API for adding rewriting to workflows

Plans and prices

From each vendor's site. Prices change — confirm before buying.

ProWritingAid

Free€0

Premium€30/mo monthly, €10/mo billed yearly (€120), or €399 lifetime

Premium Pro€36/mo monthly, €12/mo billed yearly (€144), or €699 lifetime

WordAi

Starter$17/mo or $9/mo billed annually

Power$57/mo or $27/mo billed annually

EnterpriseCustom

Strengths and limitations

ProWritingAid

Free plan with grammar checks and daily Rephrases
Lifetime purchase option on paid plans
Works in Word, Google Docs, Scrivener and major browsers
Discount available for students

Free plan analyzes only 500 words at a time
Supports English only
Monthly plans are not refundable, and the money-back guarantee on other plans lasts only 3 days
In-depth manuscript analysis needs separately purchased Story Credits

WordAi