The purpose of this research is to analyze the conceptualization of religiosity and spirituality, as well as to validate the measurement and influence of both constructs on frugality. The importance of this study is to find out whether religious and spiritual individuals have a high of frugality. Frugality as a form of self-control, in the long term can create the welfare of consumers. This is a quantitative research that uses a survey method. The sample, comprising of 539 adults, was taken from the general public. A validation of the construct measurements was done by using an exploratory factor analysis, and a data analysis was carried out by using a multiple regression. The research results reveal that there are differences between religiosity and spirituality. The hypotheses results disclose that there was an insignificant influence of religiosity on frugality, while spirituality had a significant influence on frugality. Testing was also done by classifying the sample based on gender. In the sample of women, it was discovered that religiosity had a significant influence on frugality. Meanwhile, in the sample of men, only spirituality had a significant influence on frugality. It is concluded that the effect of religiosity on frugality was moderated by gender.