What's the best travel tracking app?

I love to travel & one of my goals is to visit all 50 states. Right now I have a blank map printed out on a piece of plain paper & I have been marking which states I've visited by coloring them in on the map. Is there an up for my iPhone or MacBook that does this or something relatively similar?

'been' is a great app where you can mark down where you have been in America and across the globe and it gives you a percentage too

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