LanguageTool vs ProWritingAid: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for LanguageTool and ProWritingAid side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, LanguageTool leads on lower entry price; ProWritingAid leads on higher user rating. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
LanguageTool
Catch grammar, spelling, and style errors in 30+ languages
Best for you if:
- • You want good grammar checker
ProWritingAid
The essential toolkit for storytellers to craft, polish, and elevate their writing.
Best for you if:
- • You want writing assistant
| At a Glance | ||
|---|---|---|
Starts at | Free plan, paid from $4.99/mo, billed monthly Premium plan | Free plan, paid from $10/mo, billed monthly Premium plan |
Category | Grammar & Style Writing & Content | Writing & Content AI Assistants |
Rating | 4.2/5 Capterra 4.1 · G2 4.4 95 reviews | 4.6/5 Capterra 4.7 · G2 4.5 546 reviews |
Free plan | Yes | Yes |
Watch out for | n/a | Plagiarism checks limited to 50/year on Premium Plus |
Choose LanguageTool or ProWritingAid?
Choose LanguageTool if
- You want good grammar checker
- You want privacy focused
- Budget matters ($4.99/mo, billed monthly vs $10/mo, billed monthly)
- You work in grammar & style, not writing & content
Choose ProWritingAid if
- You want writing assistant
- You want good grammar check
- You work in writing & content, not grammar & style
In-Depth Analysis
LanguageTool
Catch grammar, spelling, and style errors in 30+ languages
LanguageTool's pricing is quite fair, especially with the generous Free tier and the competitive Premium tier at $4.99/month.
Strengths
- Pro: Good grammar checker
- Pro: Privacy focused
- Pro: Multi-language
- Pro: Browser extension
- Pro: Self-hostable
Weaknesses
- Con: Less advanced than Grammarly
- Con: Premium expensive
- Con: Integration limited
- Con: AI features basic
- Con: Style suggestions limited
Key features
ProWritingAid
The essential toolkit for storytellers to craft, polish, and elevate their writing.
ProWritingAid's pricing is fair, offering a robust free tier and competitive monthly options.
Watch out
Plagiarism checks limited to 50/year on Premium Plus
Strengths
- Pro: Writing assistant
- Pro: Good grammar check
- Pro: Style suggestions
- Pro: Fair pricing
- Pro: Good integrations
Weaknesses
- Con: Less known than Grammarly
- Con: UI could improve
- Con: Performance varies
- Con: Learning curve
- Con: Better alternatives exist
Key features
Plans and prices: LanguageTool vs ProWritingAid
| Tool | Plans and prices | Source |
|---|---|---|
| LanguageTool |
| languagetool.org/pricing read Oct 1, 2026 |
| ProWritingAid |
| prowritingaid.com/pricing read Oct 26, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on LanguageTool pricing and ProWritingAid pricing.
Key Takeaways
LanguageTool
- Lower entry price: $4.99/mo, billed monthly vs $10/mo, billed monthly
ProWritingAid
- Higher user rating: 4.6/5 vs 4.2/5
What the data shows
On the data below, LanguageTool leads on lower entry price; ProWritingAid leads on higher user rating. We do not name an overall winner for this pair.
- ProWritingAid has the higher user rating (4.2/5 from 95 reviews for LanguageTool, 4.6/5 from 546 reviews for ProWritingAid).
- LanguageTool has the lower entry price: $4.99/mo, billed monthly (Premium) against $10/mo, billed monthly (Premium) for ProWritingAid.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do LanguageTool and ProWritingAid compare in 2026?
On the data below, LanguageTool leads on lower entry price; ProWritingAid leads on higher user rating. We do not name an overall winner for this pair. ProWritingAid has the higher user rating (4.2/5 from 95 reviews for LanguageTool, 4.6/5 from 546 reviews for ProWritingAid). LanguageTool has the lower entry price: $4.99/mo, billed monthly (Premium) against $10/mo, billed monthly (Premium) for ProWritingAid. Both have a free plan.
What are LanguageTool and ProWritingAid used for?
LanguageTool: Catch grammar, spelling, and style errors in 30+ languages. ProWritingAid: The essential toolkit for storytellers to craft, polish, and elevate their writing.
What does LanguageTool cost vs ProWritingAid?
LanguageTool's cheapest paid plan is Premium at $4.99/mo, billed monthly; it also has a free plan. ProWritingAid's cheapest paid plan is Premium at $10/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 26, 2026.
What's the main difference between LanguageTool and ProWritingAid?
LanguageTool's main strength: good grammar checker. ProWritingAid's main strength: writing assistant.