A Trader Joe's in metro Phoenix is the best grocery store in the U.S.

• The one at the corner of Williams Field Road and Val Vista Drive in Gilbert topped the list with nearly 1,700 reviews and 4.8 stars.

How they did it: Solitaired included in its analysis only stores with more than 1,000 reviews, combining the star rating and number of reviews to rank each store.

• The company, which develops mobile card games like Spider and FreeCell, discovered that a large number of users said they play the games while waiting in line at the grocery store.
• "Given our goal at Solitaired is to create moments of joy, it got us wondering what grocery stores provide the best experience," the company wrote.