Shopping Smarter is rated 2.8 out of 5 in the category cashback provider. Read and write reviews about Shopping Smarter. ShoppingSmarter gives you bigger, year-round savings on the things you already buy online. Get up to 10% cashback at hundreds of top online retailers. Plus, get savings on delivery charges and much more! Not happy with an online order? No problem — claim up to £10 of your return delivery fee too!