Attention all polish addicts! Ever see a polish that looks totally gorgeous, and then put it on and realize that the neon, matte, chartreuse polish makes your nails look like you’ve been a chain smoker for the past 20 years? No bueno.

Well, OPI has an app for that.

Just search OPI in the app store, and it’ll be the first thing that pops up. Once downloaded, you’ll see a graphic of a hand. There’s a scroll bar on the left that allows you to change the skin tone and one on the right that lets you change the nail length. Not only can you now evaluate a color based on how it will look with your skin tone, but you can also see if maybe you should file those claws down before you slap on that electric green polish. Or not. Just saying. No, actually please. The stronger/darker the color, the shorter your nails should be. Unless you’re a Lady Gaga wannabe or are participating in a drag show, in which case, Nikki Minaj it up, baby.

No longer will you have to try  swiping on 85 different nail polishes while being harassed by makeup counter employees. Just looking, thanks!

So, yes, you may already have a giant bag full of nail polishes that you should probably use before you buy any new ones. But, let’s be honest, that’s so not going to happen. We’re all in the same boat. Let’s sink it by overloading it with awesome new polishes that look hella fantastic on us!