Burner is described as 'provides disposable phone numbers for your iPhone at the push of a button. Channel your inner James Bond, or simply keep things private when you need to'. There are more than 10 alternatives to Burner for a variety of platforms, including Android, iPhone, iPad, the Web and Android Tablet. The best alternative is Hushed. It's not free, so if you're looking for a free alternative, you could try TextNow or Ring4. Other great apps like Burner are Textita (Paid), Textnow.com (Free), quackr (Free) and Private Line (Free).