Launchora is an innovative teaching media that can be used in teaching and learning process. There are many genre that used in this application to make the writing text can be match on based the genre. Using this application that completed with picture and many features students can be easier to write and complete their writing text using picture as the description. It can use easily using android cell phone that can be download it at Playstore. In this study, the researcher was focused on the using of Launchora application in writing descriptive text. The researcher conducted the research to the eight grade students of SMP PGRI Wringinanom. The researcher used quasi-experimental method in this study. Population in this research was eight grade of SMP PGRI Wringinanom. The researcher took two classes as the sample; 8A consist of 25 students as the experimental group while 8B consist of 25 as the control group. Data were collected from pre-test and post-test to measure the using of Launchora application. A normality test was used to determine whether sample data has been drawn from a normally distribute population (within some tolerance). Homogeneity test was used to calculate the homogeneity of variance of both experimental class and control class test score. Based on the result of the analysis, the mean score of experimental class for the post-test was 85 while the mean score for the control class was 77.4. In addition the average score of experimental class was higher than control class. The result of significance value based on Mann Whitney U analysis in post-test was 0.000 < 0.05. From the result above, it can be conclude that using Launchora application in writing descriptive text is effective to improve students’ descriptive writing scores to the eight grade students in SMP PGRI Wringinanom, Gresik
