All companies likely strive for products so good that the CEO uses them on a daily basis, and the world's most valuable company, Apple Inc. (NASDAQ:AAPL), is no different when it comes to its leader, Tim Cook.

In a new interview, Cook says he uses multiple Apple products daily whether at home, at work or on the road.

Apple CEO Tim Cook checks his iPhone first thing every morning, The Wall Street Journal reported in a new interview. Cook sorts through his email first thing in the morning, along with checking overnight sales reports and how Apple products are selling worldwide. The iPhone is also the last item Cook uses every night, setting his next day's morning alarm for 5 a.m.

After the quick daily email and sales check routine, Cook works out, listening to classic rock music with his AirPods while recording the workout on his Apple Watch.

Cook also uses his MacBook Air, MacBook Pro and iMac at the office daily. While on the road, Cook uses the iPad Pro.

It is likely not a huge surprise to many Apple fans and investors that Cook is passionate about the company's products and one of its biggest daily users.

"Every day, every product," Cook told the WSJ.

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Along with using products that have already been released to the public, Cook also helps test new products like Apple Intelligence. Cook's test of Apple Intelligence might help explain a philosophy that the Apple CEO and company have: not first, but best.

"We're perfectly fine with not being first. As it turns out, it takes a while to get it really great. It takes a lot of iteration. It takes worrying about every detail. Sometimes it takes a little longer to do that."

Cook said it's great to be first to market, but if you have to pick between being first or best, the answer is clear: "it's about being the best."

"We weren't the first to do intelligence. But we've done it in a way that we think is the best for the customer."

Consumers have likely seen commercials or heard of a case of artificial intelligence being used to get summaries of long emails. Cook uses this Apple Intelligence feature for his own email inbox.

"If I can save time here and there, it adds up to something significant across a day, a week, a month."

Cook said using Apple Intelligence has had a big impact on his daily habits and productivity.

"It's changed my life. It really has."

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