ProWritingAid

8.5easy start · #4 of 88
in Grammar checkers

Free to practise onyes
Free trialnot on record
Well documentedyes
Runs where you worknot on record

Runs on Browser. Paid plans from $10/mo.

ProWritingAid is ranked #4 of 88 in grammar checkers on The Geeks Club, made by ProWritingAid. It runs on Browser extension. There is a free plan. Paid plans start at $10/mo.

ProWritingAid plans and pricing

All plans

Free Free 500 words per report run · 2 report runs per day · 10 Rephrases per day · 3 Sparks per day · 3 Creative Nudges per day prowritingaid.com · 28 Sept 2026

Premium $30/mo billed monthly 1 Chapter Critique per day · 5 Sparks per day · 9 Creative Nudges per day prowritingaid.com · 20 Sept 2026

Premium Pro $36/mo billed monthly 30 Chapter Critiques per day · 50 Sparks per day · 15 Creative Nudges per day prowritingaid.com · 20 Sept 2026

Premium $120/yr page shows $10 per month, billed yearly $120 1 Chapter Critique per day · 5 Sparks per day · 9 Creative Nudges per day prowritingaid.com · 20 Sept 2026

Premium Pro $144/yr page shows $12 per month, billed yearly $144 30 Chapter Critiques per day · 50 Sparks per day · 15 Creative Nudges per day prowritingaid.com · 20 Sept 2026

Premium $399 once One-time payment 1 Chapter Critique per day · 5 Sparks per day · 9 Creative Nudges per day prowritingaid.com · 20 Sept 2026

Compared on grammar checkers

Free plan: Yes
Browser extension: Yes
Desktop app: Yes

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The record

Mobile app: No
Style suggestions: Yes
Languages supported: 1
Free word limit: Free accounts receive suggestions for 500 words at a time.
Paid word limit: Premium and Premium Pro support documents of any length.
Free daily limits: Free includes 2 line-editing runs, 10 rephrases, 3 Sparks, and 3 Creative Nudges per day.
Refund policy: Yearly and lifetime plans may be refunded within three days; monthly plans are not refundable.
Cancellation policy: Subscriptions can be canceled anytime and remain active until the renewal date.
Supported platforms: It works in Word, Google Docs, Scrivener, Chrome, Firefox, and Edge.
Browser extensions: Browser extensions are available for Chrome, Firefox, and Edge.
App integrations: Listed integrations include Google Docs and Microsoft Office, plus a desktop editor.
Security practices: The service uses bank-level security and never uses user text to train algorithms.
Data retention: Text entered into the editor is not kept or stored on processing servers.
Data encryption: Data is encrypted when sent to servers for processing.
Price from: $10/mo

Where it ranks on The Geeks Club

Best Grammar Checkers in 2026#4 of 88
Best Writing Style Checkers in 2026#6 of 30
Best AI Grammar Checkers in 2026#7 of 26
Best AI Writing Assistants in 2026#6 of 26
Best Readability Checkers in 2026#3 of 25

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Sources

prowritingaid.com/pricing;· checked 20 Sept 2026
prowritingaid.com/pricing· checked 28 Sept 2026
prowritingaid.com/grammar-checker· checked 28 Sept 2026