This app has a local copy of INC's worship schedule around the world, meaning no internet is needed to check for congregations (unless you want to get the updated schedules).
You can limit the no. of locals that will be displayed by choosing a specific District first. You can further shorten the list by choosing a specific Region first then followed by the desired District.
You may also opt to show all the available locals and use the search functionality. This functionality is also available in the Region and District list.
This is not an official app of Iglesia Ni Cristo