Similarity Texter

Additional Information


Software Profile | Description | Pros & Cons | Coverage results | Usability results | Screenshots

Software Profile

Gustavslundsvägen 135
SE-167 51 Bromma
Postal address:
Urkund | Prio Infocenter AB
Box 15120
SE-167 15 Bromma
Phone: +46 8 738 52 10
Software-TypeOnline, can be integrated with Blackboard, Canvas, Moodle, and other learning management systems
The cost depends on the number of students.
Test DateNovember 2018 – November 2019


Urkund presents itself as a fully-automated text-recognition system for dealing with detection, handling, and prevention of plagiarism (Urkund, 2019). The system was founded in 1999. It is currently owned by a private equity fund, Procuritas Capital Investors VI, located in Stockholm. They claim to be a leader in the Nordic countries, and to have clients in 70 countries worldwide—mainly academic institutions and high schools, including over 800 of Sweden’s high schools. They crawl the web “with the aid of an ordinary search engine” (Urkund, 2019) and they also compare the documents with student submissions to the system.

Pros & Cons

  • Urkund system has very high results both in coverage and usability scores.
  • In texts from Wikipedia articles the system found most similarities with copy & paste plagiarism and using manual synonym replacement for all languages.
  • The system had difficulties finding similar texts from online articles especially when 1-2 words were replaced with synonyms or each sentence was manually paraphrased.
  • Test document formatting was changed in downloaded PDF result report so that whole text was in the same font size and tables were converted to text paragraphs (see in screenshots).

Coverage results

Single source

Multi source

Usability results

Workflow process usability

  • Can upload and test multiple documents together
  • Auto-fill metadata for documents
  • The system uses original file names for report
  • There are no word limit for the testing document
  • The system display text in the chosen language only
  • The system can process large documents (for example, a bachelor thesis)

Result presentation usability

  • Reports are downloadable
  • Results are saved in the user’s account and can be reviewed afterwards
  • Matched passages are highlighted in the online report
  • Matched passages are highlighted in the downloaded report (offline)
  • Evidence of similarity is demonstrated side-by-side with the source in the online report
  • Evidence of similarity is demonstrated side-by-side with the source in the downloaded report
  • Document formatting is not changed in the report
  • Document page numbers are shown in the report
  • The report is not spoiled by false positives

Other usability aspects

  • System costs are clearly stated in the system homepage
  • Information about a free system trial version is advertised on the web-page
  • The system can be integrated as an API to a learning management system
  • The system can be integrated with the Moodle platform
  • The system provides call support
  • The call support is provided in English
  • English is properly used on the website and reports
  • There are no external advertisements



Urkund. (2019). Urkund’s anti-plagiarism system. Retrieved from

Company Statement