kitio.aiTurnitin vs Isgen
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Turnitin starts at See pricing page and Isgen 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
- Similarity Report
- AI writing indicator
- LMS integrations
- Feedback Studio
- Draft process insights
- Sentence-level AI detection
- Plagiarism checker
- Bulk file scanning
- Grammar checker
- AI humanizer
- Presentation maker
| Feature | Turnitin | Isgen |
|---|---|---|
| Best for | Plagiarism and AI writing detection used by schools and universities | AI detector with plagiarism checking, humanizer and slide maker |
| Category | Writing | Writing |
| Pricing model | Paid | Freemium |
| Starting price | See pricing page | See pricing page |
| Free plan | No | Yes |
| Made by | Turnitin | Isgen |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Turnitin starts at See pricing page and Isgen starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Up to 5,000 characters per check
- Basic AI detection
Academic
$8/mo billed yearly
- 350,000 detection words a month
- Premium plagiarism checker
- Batch file upload
Writing
$15/mo billed yearly
- 50,000 humanizer words a month
- AI proofreader
- 4,000 presentation credits
Ultimate
$24/mo billed yearly
- Unlimited words
- Humanizer and proofreader
- 8,000 presentation credits
- Priority 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
Turnitin
- Very large comparison database
- Built into most LMSs
- Trusted by institutions
- Not available to individuals
- AI scores can be contested
- Pricing only through institutions
Isgen
- Highlights AI text sentence by sentence
- Bulk scanning on paid plans
- Bundles plagiarism and grammar checks
- AI detectors can flag human writing
- Free checks capped at 5,000 characters
- Listed prices assume yearly billing
Which one should you choose?
Choose Turnitin if you want:
- Very large comparison database
- Built into most LMSs
- Trusted by institutions
Watch out: not available to individuals.
Choose Isgen if you want:
- Highlights AI text sentence by sentence
- Bulk scanning on paid plans
- Bundles plagiarism and grammar checks
Watch out: ai detectors can flag human writing.
Turnitin vs Isgen FAQ
What is the difference between Turnitin and Isgen?
Turnitin: Plagiarism and AI writing detection used by schools and universities. Isgen: AI detector with plagiarism checking, humanizer and slide maker. Both are writing tools.
Is Turnitin or Isgen cheaper?
Turnitin starts at See pricing page and Isgen starts at See pricing page. Check both pricing pages for current plans.
Do Turnitin and Isgen have free plans?
Turnitin: No. Isgen: Yes.
Who makes Turnitin?
Turnitin is made by Turnitin, based in United States.
Who makes Isgen?
Isgen is made by Isgen.
Which should I choose, Turnitin or Isgen?
Choose Turnitin if you value very large comparison database and built into most lmss. Choose Isgen if you value highlights ai text sentence by sentence and bulk scanning on paid plans.