People looking to change or improve their employment situation spend thousands of dollars on career coaches and specialists. What many don’t realize, though, is that one of the best aids to help you get ahead is sitting right in your pocket.

Just as the smartphone and tablet have disrupted so many industries, they’ve changed how we find, advance and change our careers. Whether you need help networking, preparing for a big interview or dusting off your résumé, there are apps out there that can help you do it.

Here are 10 essentials if you’re looking to climb up the next rung of the career ladder.

Read more at CNBC.com