Head-to-Head Comparison
| Feature | Plagiarism Checker | Turnitin |
|---|---|---|
| Price | Free | Institutional license only |
| Database size | Web-based | Largest (academic + web) |
| Student access | Direct | Through institution only |
| AI detection | Separate tool | Built-in |
| Signup required | No | Institutional account |
| Similarity report | Basic | Detailed with sources |
Turnitin is the academic standard for plagiarism detection — used by over 15,000 institutions worldwide. Its database includes billions of web pages, 100+ million academic papers, and decades of student submissions. No other plagiarism tool comes close to its coverage in academic contexts.
Institutional vs. Individual
The most important difference is access. Turnitin does not sell directly to individuals — students access it through their institution’s license. If your school does not use Turnitin, you cannot use it at all. Txtory is available to anyone, instantly, with no account required. This makes Txtory the only option for independent writers, freelancers, and students at institutions without Turnitin.
Database Scale
Turnitin’s database is unmatched in academia. It stores every paper ever submitted through its system, meaning it catches matches against unpublished student work — something no web-based tool can do. Txtory checks against web sources, which covers most plagiarism scenarios outside of academia but cannot match against private academic databases.
The Bottom Line
Turnitin is untouchable for academic plagiarism detection if you have institutional access. Txtory is the free, instant alternative for everyone who does not — and for quick checks where web coverage is sufficient.