kitio.aiTextAdviser vs Check-Plagiarism
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. TextAdviser has the lower starting price: about $5 a month, against $8 for Check-Plagiarism.
Plagiarism checker with AI detector, paraphraser and grammar tools
Freemium · $14.99/moAt a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Spelling and grammar check
- Plagiarism checker
- AI content detector
- Android app with history
- Six interface languages
- Plagiarism detection
- Sentence-level source matching
- AI content detector
- Paraphrasing tool
- Bulk file checks
- Plagiarism API
| Feature | TextAdviser | Check-Plagiarism |
|---|---|---|
| Best for | Grammar checker, plagiarism check and AI detector | Plagiarism checker with AI detector, paraphraser and grammar tools |
| Category | Writing | Writing |
| Pricing model | Freemium | Freemium |
| Starting price | $4.99/mo | $14.99/mo |
| Free plan | Yes | Yes |
| Made by | TextAdviser | Check-Plagiarism |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Both offer: AI content detector.
Pricing compared
TextAdviser has the lower starting price: about $5 a month, against $8 for Check-Plagiarism.
Free plan
Cheapest paid plan
Top plan
Free trial
1 plan
PRO
$4.99/mo
- 300,000 characters per 30 days
- Long texts in one check
- Priority queue, no ads
4 plans
Free
Free
- Limited searches
- Up to 1,000 words per search
- Ads shown
Weekly
$4.99/week
- 10,000 words
- 7,000 words per search
Monthly
$14.99/mo
- 35,000 words
- 20,000 words per search
- No ads, detailed reports
Annual
$99.99/yr
- 450,000 words
- All premium tools
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
TextAdviser
- Grammar, plagiarism and AI checks in one place
- Low-cost PRO subscription
- Unused characters carry over
- Character packs only for PRO subscribers
- Plagiarism checks eat the allowance fast
- AI detection is not conclusive proof
Check-Plagiarism
- Free checks without an account
- Rewrite flagged text from the report
- API available on paid plans
- Free tier shows ads and captchas
- Free checks limited to 1,000 words
- Word quotas on every paid plan
Which one should you choose?
Choose TextAdviser if you want:
- Grammar, plagiarism and AI checks in one place
- Low-cost PRO subscription
- Unused characters carry over
Watch out: character packs only for pro subscribers.
Choose Check-Plagiarism if you want:
- Free checks without an account
- Rewrite flagged text from the report
- API available on paid plans
Watch out: free tier shows ads and captchas.
TextAdviser vs Check-Plagiarism FAQ
What is the difference between TextAdviser and Check-Plagiarism?
TextAdviser: Grammar checker, plagiarism check and AI detector. Check-Plagiarism: Plagiarism checker with AI detector, paraphraser and grammar tools. Both are writing tools.
Is TextAdviser or Check-Plagiarism cheaper?
TextAdviser has the lower starting price: about $5 a month, against $8 for Check-Plagiarism.
Do TextAdviser and Check-Plagiarism have free plans?
TextAdviser: Yes. Check-Plagiarism: Yes.
Who makes TextAdviser?
TextAdviser is made by TextAdviser.
Who makes Check-Plagiarism?
Check-Plagiarism is made by Check-Plagiarism.
Which should I choose, TextAdviser or Check-Plagiarism?
Choose TextAdviser if you value grammar, plagiarism and ai checks in one place and low-cost pro subscription. Choose Check-Plagiarism if you value free checks without an account and rewrite flagged text from the report.