kitio.aiGrammarly vs Ludwig
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Grammarly starts at $30/mo and Ludwig starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Grammar and spelling checks
- Tone detection
- Full-sentence rewrites
- Plagiarism checker
- Authorship tracking
- Sentence search
- Wildcard queries
- Compare phrases
- Source filters
- Desktop app
| Feature | Grammarly | Ludwig |
|---|---|---|
| Best for | Grammar, tone and rewrite suggestions in almost every app you type in | Sentence search engine that shows how real sources use a phrase |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $30/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Superhuman Platform Inc. | Ludwig |
| Based in | United States | Italy |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Grammarly starts at $30/mo and Ludwig starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Spelling and grammar checks
- Tone detection
- 100 AI prompts
Pro
$30/mo
- Per member
- Full-sentence rewrites
- Tone adjustments
- Plagiarism and AI detection
Enterprise
Contact sales
- BYOK encryption
- Custom roles and permissions
- Data loss prevention
- Dedicated support
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Grammarly
- Works in nearly every app and website
- Free plan catches most basic errors
- Clear explanations for each suggestion
- Best features need the paid plan
- Can flatten a writer's personal style
- English only
Ludwig
- Shows real usage examples
- Good for non-native writers
- Wildcards fill in missing words
- Free use limited to a few daily queries
- English only
Which one should you choose?
Choose Grammarly if you want:
- Works in nearly every app and website
- Free plan catches most basic errors
- Clear explanations for each suggestion
Watch out: best features need the paid plan.
Choose Ludwig if you want:
- Shows real usage examples
- Good for non-native writers
- Wildcards fill in missing words
Watch out: free use limited to a few daily queries.
Grammarly vs Ludwig FAQ
What is the difference between Grammarly and Ludwig?
Grammarly: Grammar, tone and rewrite suggestions in almost every app you type in. Ludwig: Sentence search engine that shows how real sources use a phrase. Both are writing tools.
Is Grammarly or Ludwig cheaper?
Grammarly starts at $30/mo and Ludwig starts at See pricing page. Check both pricing pages for current plans.
Do Grammarly and Ludwig have free plans?
Grammarly: Yes. Ludwig: Yes.
Who makes Grammarly?
Grammarly is made by Superhuman Platform Inc., based in United States.
Who makes Ludwig?
Ludwig is made by Ludwig, based in Italy.
Which should I choose, Grammarly or Ludwig?
Choose Grammarly if you value works in nearly every app and website and free plan catches most basic errors. Choose Ludwig if you value shows real usage examples and good for non-native writers.