What aging game setting do you mostly play on?

I age up toddlers when they reach either level 3 or 5 on all their skills, depending on my plans for them. My child and teen Sims I try to hold off till some of their friends have also aged up, or I'll try to invite the friends over and age them all up (I was using a mod by littlemssam to do that but I took it out until after the patch and it's updated). In my current save I aged up one of my children to teen after he maxed out Piano skill so he could get started on Guitar and finish up the Singer skill; he's going to be my famous (hopefully) musician.