Table 2 The process of formation codes and sub-themes

According to working conditions and crowded units using the app is much better. Whenever I want to use it at work or out of work, at home and anywhere. Instead of reading books, we use more mobile phones. Because everywhere is with us. Maybe I cannot attend classes because of leave or work shift, but I can use the app at any time. Because it's available

Using the app at rest time

Using the app at home and at work.

Access to education without time limitation

Access to education without space limitation

The staff is low and the workload is high. Sometimes, for example, maybe there are 8 patients, with 4 nurses and patients put intubation. Well, we cannot be in the class with so much sick and low personnel and staff

Supporting or managing a large number of patients in the units

The high workload in nursing

Work pressure

When one thing or something like exercise forgot, we can go back to the app and use it, but after the in-person education, we do not have any document or paper that in the case of forgetfulness, we can refer to it

Forget information because it does not repeat

Remember and repeat the content