Flags!

Know every
flag.

The maritime signal flags, in your pocket.

All 40 International Code of Signals flags with their meanings and Morse code. Quiz yourself, race the clock, and spell any word in flags.

Download on the App Store Try it in flags
26Letter flags
10Number pennants
4Substitutes

Every meaning

Each flag with its full meaning, phonetic name and Morse code you can see, hear and feel.

Race the clock

Speed Round: 60 seconds, as many flags as you can. A wrong answer costs 3 seconds.

Weak flags

The app remembers what you miss and drills just those, on iPhone and Apple Watch.

Flag of the day

A new flag on your Home Screen and Lock Screen. Ask Siri or find any flag in Spotlight.

Spell it in flags

Your name, in signal flags.

    In the app you can hear it, share it as an image, and flash it with your iPhone flashlight.

    Everywhere

    Made for the dock, the deck and the classroom.

    • iPhone, iPad and Apple Watch
    • Home & Lock Screen widget
    • Siri, Shortcuts and Spotlight
    • English, German, Spanish, French, Chinese
    • Light and dark mode
    • No account
    • No ads
    • Works offline

    For learning and reference only. For safety-critical signalling always consult the official International Code of Signals.

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