master security is the
best security app you ever used. you can hide your app icon with this master security.
you can access your app by calling a custom number provided by you on master security setting.
Bugs fix.
New GUI and Easy to Use.
New Color Scheme
Fast Response time.
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://go.getnew.app/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
