Side by side
iThenticate vs Red Paper
Both stand on plagiarism checkers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid APIWeb
iThenticate focuses on source matching and structured similarity review for manuscripts and other high-stakes documents. Check its paid plans, upload limits, and organizational API requirement against your review process.
Visit iThenticate Paid Web
Red Paper provides web and academic plagiarism matching with PDF reports and integration options. Its main consideration is the 250-word, ₹10 credit unit.
Visit Red PaperThe facts
| iThenticate | Red Paper | |
|---|---|---|
| Free plan | No | Not published |
| Open source | Not published | Not published |
| Runs on | API, Web | Web |
| Lowest paid plan | Single: $125, paid once | See the plans |
| Plans published | 3 | 1 |
| Maker | Not published | Not published |
| Website | ithenticate.com | checkplagiarism.ai |
| On plagiarism checkers | #27 of 31 | #31 of 31 |
iThenticate: what it does well
- Compares submissions with billions of listed sources
- Provides multiple Similarity Report views
- Supports Crossref Similarity Check
- Offers PDF export and LMS integration
- Includes organizational API access
What to know first
- No free plan
- Individual packages lack AI writing detection
- API requires an organizational account
- Uploads have file, page, and word limits
Red Paper: what it does well
- Matches web and academic sources
- PDF report export
- API access available
- LMS integration available
- ₹10 credit covers 250 words
What to know first
- Paid service with no free plan listed
- Each credit covers only 250 words
- Web platform only
Alternatives to iThenticate Alternatives to Red Paper The whole list