my problem with row counters is that I'd forget if I've punched/clicked it LOL But I do use a stitch marker. I love these
https://www.amazon.com/Knitting-Coun...s%2C168&sr=8-3
When I don't have them with me, I use just a short piece of yarn.
BTW, I recently saw this row of cupcakes on FB and had to try it right away... it's so cute!