The present study aims to evaluate the impact of educational games-based iPad applications on the development of social studies achievement and learning retention. Sample consisted of (48) sixth grade primary students in Jeddah. The author adopted Quasi-experimental design of the experimental and control groups. She also provided the teacher a guidebook that explains teaching method using educational games-based iPad applications. Pre-post achievement test was applied to both groups. Delayed achievement test, which evaluates learning retention, was applied four weeks after post-test. The study showed the impact of educational games-based iPad applications on achievement and learning retention with statistically significant differences in scores means of both groups' participants in posttest and delayed test in favor of the experimental group. She recommended using iPad educational applications, which she prepared, in teaching.