Boo.st is described as 'Buy and sell everywhere using #hashtags. Boost generates branded #hashtags for your products. Buyers then comment, tweet or text the #hashtag to make a purchase. Boost is the fastest way to buy and sell - everywhere' and is an website in the business & commerce category. There are more than 10 alternatives to Boo.st, not only websites but also apps for a variety of platforms, including iPhone, Instagram, iPad and Android. The best alternative is InstaOrders. It's not free, so if you're looking for a free alternative, you could try HeroZebra or Spreesy. Other great sites and apps similar to Boo.st are TapShop, Letsell, Soldsie Comment Selling and Shopseen.