The 10 apps millennials say they can't live without

The global app economy is poised to explode, and the competition for users' attention is intense.

ComScore recently surveyed app users ages 18-34 about the apps they "can't go without." The top 10 includes the likes of Instagram, YouTube, and Gmail.

The list "speaks to a broader insight, which is that millennials seem to recognize the importance of the more functional apps, like Amazon, Gmail and Google Maps," Andrew Lipsman, the senior vice president of insights and marketing at comScore, told Business Insider's Tanya Dua.

Surveyed users were asked to choose the top three "most essential" apps they own.

Here are the results: