Using quasi-experimental approach, comparative and correlation research design, this study primarily focused on the perceptions, attitudes, and benefits of smartphone application toward the learners’ vocabulary improvement of grade 9 students of Paaralang Sekundarya ng Lucban Integrated School, Lucban, Quezon for the school year 2020- 2021. The respondents of the study were forty (40) students from Grade 9 level of Paaralang Sekundarya ng Lucban Integrated School. This is a descriptive study using the questionnaire as the main tool in gathering the data. The data gathered were treated using frequency counts and percentage statistics, weighted mean, standard deviation and inferential statistics of Spearman’s Rank Correlation. The mean level of learner’ perceptions on vocabulary learning experiences using smartphone applications were 3.62 interpreted as ‘Very High Positive’ indicates that the learners perceived that the use of smartphone applications provided them an upmost vocabulary experience. On the other hand, the mean level of learner’ attitudes on vocabulary learning experiences using smartphone applications were 3.30 interpreted as ‘High Positive Attitude’ indicates that the learners’ attitudes noted that the use of smartphone applications provided them a great expectation in vocabulary learning experience. This concludes that there is a significant relationship between students’ perceptions, attitudes and benefits of smartphones applications to the students’ apps evaluation and vocabulary performance.