The environmental challenges and the digital transformation processes require a complete review of the business models of companies. New technologies are transforming business operations causing the emergence of online business models alongside traditional business models. The research analyzes the use of online business models in practice. Classifications of online business models in the literature are shown. An appropriate, closed framework defining ten online business models is chosen for

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... analysis. The research is done by manual analysis of two databases which include websites and mobile applications. The sample size is 700 in total. The purpose is to show which types of online business models are used in practice and which are the most commonly used models of them. The results show that the Intellectual Property Landlord online business model is used in the majority in the databases of websites and mobile applications. The research highlights a difference in the use of online business models in the case of free and paid mobile applications. The results are useful for companies entering the online market and developing their own online business model. Abstract The environmental challenges and the digital transformation processes require a complete review of the business models of companies. New technologies are transforming business operations causing the emergence of online business models alongside traditional business models. The research analyzes the use of online business models in practice. Classifications of online business models in the literature are shown. An appropriate, closed framework defining ten online business models is chosen for the analysis. The research is done by manual analysis of two databases which include websites and mobile applications. The sample size is 700 in total. The purpose is to show which types of online business models are used in practice and which are the most commonly used models of them. The results show that the Intellectual Property Landlord online business model is used in the majority in the databases of websites and mobile applications. The research highlights a difference in the use of online business models in the case of free and paid mobile applications. The results are useful for companies entering the online market and developing their own online business model. Abstract The environmental challenges and the digital transformation processes require a complete review of the business models of companies. New technologies are transforming business operations causing the emergence of online business models alongside traditional business models. The research analyzes the use of online business models in practice. Classifications of online business models in the literature are shown. An appropriate, closed framework defining ten online business models is chosen for the analysis. The research is done by manual analysis of two databases which include websites and mobile applications. The sample size is 700 in total. The purpose is to show which types of online business models are used in practice and which are the most commonly used models of them. The results show that the Intellectual Property Landlord online business model is used in the majority in the databases of websites and mobile applications. The research highlights a difference in the use of online business models in the case of free and paid mobile applications. The results are useful for companies entering the online market and developing their own online business model.