my daughter is just over two years old.
It looks like her timing is off,lets try the naked method first.let her run around the house ( or just in the kitchen) for a few hours each day,( morning or night ) whichever is more convenient for you).
Set the kitchen timer for every hour to start and tell her,when it goes off,she is to go and sit for 5 minutes (unless she goes ),then she can get up.If she does not produce,reset the timer for 1/2 the time.
Next time you are out with her,have her help pick out some regular character panties,you get a number of thicker cloth training pants and a dozen pair of plastic panties,we must get rid of pull-ups at all costs,they do no more than cause regression.(they are glorified diapers and kids know it.)
I hope this gets her started and gives you some peace of mind.
Please keep use up-dated.