價格：免費
檔案大小：1.7 MB
版本需求：系統需求：iOS 13.0 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Signal! is an all around maritime signal reference app. Quickly look up the meaning of flags, multi-flag and semaphore signals. Test your knowledge with a quiz. Translate text into flags and save the translation as an image or a gif.
Features:
- List of nautical flags
- List of multi flag signals
- List of Semaphore flag signals
- Test your knowledge with quizzes
- Translate text into flags
- Save/send flag messages as images/gifs
