SUMMARY
The purpose of this study is to investigate the conceptual model of successful use of financial applications that is influenced by environmental uncertainty and manager competence.Quantitative research is used to examination the conceptual model developed. Data collected was used as primary data by distributing questionnaires to respondents. The target population is 478 management accounting units in 118 SOEs in Indonesia. The sample size is 100 SOEs manager who selected by simple random sampling technique . The data analyzed using Structural Equation Model. The results show that the researcher's conceptual model's suitability can be tested. The environmental uncertainty variable empirically has a negative impact on success implementation of financial applications. The manager's competence variable positively affects the successful implementation of financial applications. The negative direction shown as a result of environmental influences uncertainty on the successful use of financial applications can occur. The results of the study have an important contribution in determining the success of using financial applications in SOEs companies in Indonesia, wherein daily practice, environmental uncertainty factors and manager competencies have proven to be very influential on the successful use of financial applications, especially during the COVID-19 pandemic which has not completely subsided.