Not good... but can be better Answers doesn't match with COLREG. ie: Fishing vsl U/W must exhibit its navigation lights too, not only red over white at the top mast... there are more mistakes as well..
Some shapes are a little small in the quizzes but good for revision
Day shapes are wrong Nicely designed, but answers don't agree with the colregs!
Even less accurate than the coast guard exam, that is famously so.
Nice app Helpfull . . .
Changed image animation for simpler movements.
Re-sized the answer fonts for better reading.
Changed a background color to a lighter blue.