買い物ポケット byGMO is a free lifestyle app for Android devices that allows users to compare prices on Amazon, Yahoo! Shopping, and Rakuten with just one search. With the app, users can easily search for products using various methods, including text input, camera barcode scanning, and selecting from a list of popular keywords. The app also allows users to sort search results by price, save favorite products for later, and check popular products on the daily-updated Rakuten ranking.

One of the best features of the app is the ability to switch between Yahoo! Shopping, Amazon, and Rakuten easily with the tab function. Users no longer need to search for the same product on different shopping sites, making price comparison much smoother. The app also supports barcode scanning, making it easy to search for products while on-the-go. Overall, 買い物ポケット byGMO is a great app for anyone who wants to compare prices and save money while shopping online.