Fishing with jerkbaits can be done year round. However, using them effectively means you must jerk or twitch the lure to achieve action, not with a steady retrieve. Running them the same as crankbaits will make them ineffective.
Crankbaits wobble or wiggle on retrieve. It is the designed action along with mimicking baitfish. The crankbait comes in various body shapes, sizes, and lip designs to achieve a different action or depth. Also, they come with other options like rattles or jointed. All of these elements have an effect
Lure tuning and hacks covers the basics. Have you lost a favorite lure and replaced it with another one. It however is not catching fish. This is when you wonder what is wrong. The chances are it is out of tune. Lures are designed to act in a specific way.