Boku Inc is regulated by the Financial Conduct Authority of the United Kingdom. Since the company has been around for over 10 years now, you can be certain that they are serious and experienced in the handling on online payments. Making a payment is also safe, as every payment has to be confirmed through a text message code, and it's the perfect method to transfer small amounts of money. This means that overspending can be easier controlled, especially if you're using a prepaid sim card in your phone.