The development of smartphones in education can be used as a medium for education
or learning through mobile learning. Mobile-based learning media (mobile learning)
helps in the distance learning process or online. This distance learning is being carried
out because of the COVJD-19 pandemic in indonesia. The development of this learning
media application was carried out for class IX science teachers at SMP N 2
Karanggayam. During the pandemic, IX grade students of SMP N 2 Karanggayam
carried out teaching and learning activities through the WhatsApp application, zoom,
and other supporting applications which caused several obstacles experienced by
students. The obstacles experienced by students were difficult signals, wasteful quotas,
and not having a computer. Based on the results of the description, it is necessary to
develop an application for qffline science learning method" at SMP N 2 Karanggayam
which contains questions to support students' understanding of the material.