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Polish Startup BizYou Gets 2.5 Million PLN to Build AI Lie Detector for Job Candidates

Warsaw-based startup BizYou has received over 2.5 million PLN in funding from Poland's PARP agency to develop Truler, a platform that analyzes job candidates' voices for signs of dishonesty with 84 percent accuracy.
Poland's Agency for Enterprise Development (PARP - Polska Agencja Rozwoju Przedsiębiorczości) has awarded Warsaw-based startup BizYou more than 2.5 million PLN to develop technology designed to check whether job candidates are telling the truth during recruitment. The Truler platform analyzes a speaker's voice and words, picking up on patterns characteristic of dishonest answers.
The funding comes from the SMART Path program, which PARP finances with EU money under the European Funds for a Modern Economy (FENG) initiative. It's one of the main support channels for Polish startups developing AI-based technologies, and Truler arrives just as more HR departments are looking for tools to verify candidates instead of relying solely on a recruiter's impression.
How Truler Works
The system doesn't analyze the content of an answer itself, but the way it's spoken. A candidate or employee answers open-ended questions by voice, and the algorithm examines changes in pitch, tremor, and spectral characteristics of the sound, along with a hundred linguistic patterns that, according to its creators, correlate with attempts to mislead. These more than 500 indicators combine into a credibility score for the statement.
An 84 percent accuracy rate means the system isn't infallible, but in HR practice it can serve as an additional warning signal in recruitment decisions rather than the sole evaluation tool.
Where the Need Comes From
Truler's creators cite two market studies. According to Equifax, 73 percent of HR specialists have encountered false or misleading information from candidates during their work. A Novorésumé study, meanwhile, found that 42.6 percent of job seekers used AI to write their CVs, and 37.3 percent admitted outright to including false information in their resume.
We get declarations that later don't match reality - Katarzyna Lorenc, CEO of BizYou
BizYou CEO Katarzyna Lorenc notes that the problem extends beyond the recruitment stage into companies' day-to-day operations. A gap between what employees say and what's actually happening makes it harder for managers to accurately assess team dynamics, especially on issues that are difficult to verify any other way than through conversation.
If all I have are high ratings, it's hard to tell a client that something is wrong - Katarzyna Lorenc, CEO of BizYou
Uses Beyond Recruitment
BizYou says the technology behind Truler could extend beyond HR departments. The company sees potential in marketing, where the tool could verify the sincerity of answers in consumer research, and in sociology, where the gap between stated and actual respondent behavior is a well-known methodological limitation of survey research.
Behind this lies another Polish labor-market problem: according to the cited data, as many as 71 percent of workers in Poland don't feel fully psychologically safe at work, which the startup's founders say makes it harder to gather reliable feedback through standard satisfaction surveys or anti-bullying questionnaires.
Market Context
Truler fits into a broader trend of AI tools entering HR departments in the Polish market, spanning both automated CV screening and analysis of recruitment interviews. The PARP funding shows that Polish government agencies treat this kind of project as part of a national strategy to support AI-based innovation, partly financed with EU funds.
For Polish HR companies, this means tools that verify candidate honesty are no longer just a foreign technological curiosity, but are emerging as locally developed products with ambitions to be commercialized in the domestic labor market.


