kitio.aiGrammarly vs Trinka
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Trinka has the lower starting price: about $20 a month, against $30 for Grammarly.
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
- Academic grammar rules
- Consistency checker
- Citation checker
- Journal finder
- Word add-in
| Feature | Grammarly | Trinka |
|---|---|---|
| Best for | Grammar, tone and rewrite suggestions in almost every app you type in | Grammar checker tuned for academic and technical English |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $30/mo | $20/mo |
| Free plan | Yes | Yes |
| Made by | Superhuman Platform Inc. | Crimson AI |
| Based in | United States | India |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Trinka has the lower starting price: about $20 a month, against $30 for Grammarly.
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
3 plans
Basic
Free
- 5,000 words per month
- Grammar check (Lite mode)
- No credit card needed
Premium
$20/mo
- Full writing assistance access
- Lite and Power grammar modes
- Style guide-based corrections
Confidential Data
$41.67/mo billed yearly
- Everything in Premium Plus
- Data not used for AI training
- Instant data deletion
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
Trinka
- Knows academic and scientific style
- Helpful for non-native researchers
- Affordable premium plan
- Less useful for casual writing
- Free plan limits monthly words
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 Trinka if you want:
- Knows academic and scientific style
- Helpful for non-native researchers
- Affordable premium plan
Watch out: less useful for casual writing.
Grammarly vs Trinka FAQ
What is the difference between Grammarly and Trinka?
Grammarly: Grammar, tone and rewrite suggestions in almost every app you type in. Trinka: Grammar checker tuned for academic and technical English. Both are writing tools.
Is Grammarly or Trinka cheaper?
Trinka has the lower starting price: about $20 a month, against $30 for Grammarly.
Do Grammarly and Trinka have free plans?
Grammarly: Yes. Trinka: Yes.
Who makes Grammarly?
Grammarly is made by Superhuman Platform Inc., based in United States.
Who makes Trinka?
Trinka is made by Crimson AI, based in India.
Which should I choose, Grammarly or Trinka?
Choose Grammarly if you value works in nearly every app and website and free plan catches most basic errors. Choose Trinka if you value knows academic and scientific style and helpful for non-native researchers.