About this app
Do you want to read signal flags confidently and know the language of sailors? This app is your guide to the International Code of Signals (ICS). App features: * A complete set of signals: learn the phonetic alphabet (Alpha, Bravo, Charlie...), signal flags and Morse code. * Correct pronunciation: learn not only to write but also to speak correctly. * Effective memorization: consolidate your knowledge with the help of tests. * Progress and statistics: track your progress in each section and set records in tests. * Works offline: study anywhere: at sea, on a yacht or at home without the Internet. Who is this app for? This app is for sailors and captains, yachtsmen, cadets of maritime educational institutions, radiotelegraph operators and everyone who is interested in the sea. Learn visual and sound signals with the help of tests and voice acting.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 11, 2026 · 12:37 PM $2.99
Screenshots
