Dolos
7.7#1 in code duplication detection toolsFree planFree planWebAPILinuxmacOS
VisitDolos vs PrePostSEO Plagiarism Checker
PrePostSEO Plagiarism Checker
6.8#11 in plagiarism checkersFrom $7.50 a yearAndroidiOSWebAPI
VisitWhat both publish
| Fact | Dolos | PrePostSEO Plagiarism Checker |
|---|---|---|
| Audience | Dolos focuses on teachers checking programming tests and exams, as well as exercises where collaboration is allowed within small groups. | The maker describes the checker as suitable for students, teachers, researchers, content writers, and bloggers. |
| Integrations | Dolos provides a JSON API for automated integration with exercise platforms such as Dodona. | The maker says its plagiarism-checker API can be integrated with a website or online platform, and it lists a WordPress plugin in its services. |
| Languages | Dolos uses Tree-sitter parsers and supports common languages including Bash, C, C++, C#, Elm, JavaScript, Java, PHP, Python, and TypeScript out of the box. | The checker supports multiple languages, with French, Dutch, and Spanish given as examples. |
| Privacy | Team Dodona says it never shares submitted files or analysis reports and never uses them for commercial purposes; users can delete their data, and older data is periodically deleted. | The privacy policy says plagiarism-checking text and files are not saved or shared with third parties and are removed after processing. |
| Purpose | Dolos detects plagiarism by finding similarities between source code submissions. | The checker detects copied or duplicate content and reports the plagiarism percentage and matched sources. |
| Reports | Reports include similarity, total overlap, and the longest matching fragment for file pairs. | The checker provides plagiarism and unique-content percentages, matched-source URLs, and downloadable HTML or PDF reports. |
| Support | General questions and support are handled through GitHub discussions, while bugs and feature requests use GitHub issues. | The pricing page includes 24/7 support with its paid plan tiers. |
Dolos plans
- Dolos web appFree
- Free web applicationFree
PrePostSEO Plagiarism Checker plans
- Monthly (plagiarism checker)$7 a month
- Basic (plagiarism checker)$7.50 a year
- Basic (all-in-one, annual billing)$50 a year
- Yearly (plagiarism checker)$63 a year
- Standard (plagiarism checker)$100 a year
- Standard (all-in-one, annual billing)$150 a year
Pick Dolos if…
Dolos is suited to teachers checking source-code submissions, including tests, exams, and exercises where small-group collaboration is allowed. It can also suit users who want local analysis or to host the tool themselves.
Pick PrePostSEO Plagiarism Checker if…
The checker may suit students, teachers, researchers, content writers, and bloggers who want matched-source results and downloadable reports. Website or platform operators can also consider its listed API and WordPress plugin.