Their ranged attack rate is 2 seconds [1.967 to be precise] on flash and mobile, but 1.0 second on Steam.
Their ranged damage is 30-50 and remains the same across the platforms.
This means they are slightly weaker in ranged (15-25: devided by ranged attack rate) than in melee (15-30. melee attack rate 1.0 s) on flash and mobile.
flash
mobile
Steam