Amazon calculates a product's star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers and factors that establish reviewer trustworthiness.
Good service and very good on return, which make us believe u while we spending our money. That if size or product is not fit., we will get our money back easily.. and this believing of people will definitely take this app top of the other. If u serve quality and price good as too others