LanguageTool vs Acrolinx: Which Should You Choose in 2026?
Choosing between LanguageTool and Acrolinx comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
LanguageTool
Open-source grammar checker
Best for you if:
- • You want the higher-rated option (8.7/10 vs 0.0/10)
- • You want to try before committing
- • You need writing apps features specifically
- • Open-source grammar and style checker supporting 30+ languages including 6 English dialects
- • AI paraphraser rewrites sentences to be simpler, shorter, or more formal
Acrolinx
Govern content compliance with confidence and safeguard your brand, tone, and terminology at scale.
Best for you if:
- • You need ai writing features specifically
- • AI-powered content governance for brand, style, and regulatory compliance.
- • Scans, scores, and fixes content at scale, including LLM-generated text.
| At a Glance |  LanguageTool |  Acrolinx |
|---|---|---|
Price | Free + Paid | Paid |
Best For | Writing Apps | AI Writing |
Rating | 87/100 | —/100 |
| Feature | LanguageTool | Acrolinx |
|---|---|---|
| Pricing Model | Freemium | Paid |
| Editorial Score | 87 | — |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Writing AppsAI Writing | AI WritingGrammar & Style |
How LanguageTool and Acrolinx Compare
LanguageTool
Open-source grammar checker
Free tier available · 87/100 score
Acrolinx
Govern content compliance with confidence and safeguard your brand, tone, and terminology at scale.
Paid
LanguageTool is a writing apps tool. Acrolinx is in ai writing.
Who Should Use What?
On a budget?
LanguageTool has a free tier. Acrolinx is paid only.
Go with: LanguageTool
Want the highest-rated option?
LanguageTool scores 87/100. Acrolinx is unrated.
Go with: LanguageTool
Value user reviews?
Neither has user reviews yet.
Go with: LanguageTool
3 Questions to Help You Decide
What's your budget?
LanguageTool is freemium. Acrolinx is paid. LanguageTool lets you start free.
What's your use case?
LanguageTool is a writing apps tool. Acrolinx is in ai writing. Pick the category that matches your needs.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
LanguageTool
- Higher score: 87/100 vs unrated
- Free tier available
- Our pick for this comparison
Acrolinx
- Better fit for ai writing
The Bottom Line
LanguageTool (87/100) is our pick.
Frequently Asked Questions
Is LanguageTool or Acrolinx better?
LanguageTool scores 87/100 in our evaluation. LanguageTool is freemium and Acrolinx is paid.
What are LanguageTool and Acrolinx used for?
LanguageTool: Open-source grammar checker. Acrolinx: Govern content compliance with confidence and safeguard your brand, tone, and terminology at scale..
What does LanguageTool cost vs Acrolinx?
LanguageTool is freemium (free tier + paid plans). Acrolinx is a paid tool. Visit their websites for detailed pricing.