There is no official app published by Seagull/OTG that provides direct answers to test questions. The company does not endorse any “answer key” or cheating tool.

This is one of the most comprehensive preparation tools available for the iPhone. It is specifically designed to help sailors get familiar with the Seagull CES format and identify knowledge gaps before the real exam. Key Features Extensive Database

While several clones exist, the most widely downloaded and highly rated is currently "SeaPrep CBT & Orals" (Note: Always check the official App Store for current names, as publishers update branding).