Crashes on iPhone 6 Plus

Downloaded last night but it’s useless. The app constantly crashes when I try to start a new test. Restarted iPhone, closed all apps…nothing helped. Very disappointed b/c I researched several of the NASM test prep apps and it appeared this one was the best…unfortunately is just keeps crashing whenever I click “start test" is therefore useless. Contacting Apple hoping for a refund of my $10.

ThisBrandonNotThatOne about NASM CPT Test Questions & Answers