The technology was intentionally made to make human work more manageable. Which also prevails in education. For example, the usage of Quizizz application to make an evaluation of students' learning easier. This application brings together animation, audio, visuals, and various types of questions to measure student learning abilities. One of the advantages that Quizizz offers is, the questions can be accessed flexibly by students, even outside of the school hours. This feature becomes important, considering the pandemic caused by the Coronavirus outbreak (Covid-19). It makes learning has to be done online, which causes so many aspects that need to be adjusted so that learning can be carried out properly. This study aims to determine the influence of science learning outcomes by using the learning model TGT assistant application "Quizizz" on the fourth-grade students of SDN Cakung Barat 07, East Jakarta. The research method used is a quantitative research method with a Quasi-Experimental design, with purposive random sampling using IV-A as an experimental class and IV-B as a control class. Students' outcomes were measured by 20 multiple-choice questions, which had previously been tested for validity and reliability. This study's requirement test includes the normality test using the Chi-Square test formula and the normality test using Fisher's test formula. Meanwhile, the hypothesis test is using the t-test formula. The result stated that there is no significant influence on students' outcomes by using the learning model TGT-assistant application "Quizizz" on the fourth-grade students of SDN Cakung Barat 07, East Jakarta.