My 2 males eat at the same time for every meal.
I tell them both to sit and they have to wait until I release them with an "ok." Sometimes I have 3-4 dogs in my house and I have them all do this.
You should feed both of your dogs at the same time.
Sinister ~ black male GSD 3.11.09
Draven ~ male Dalmatian 6.30.13