This is a very common question amongst the current generation on whether the application named as Tinder is safe or not. If we are to answer honestly then, Tinder is a safe app to use.
It has 64-bit silver encryption which is the same used in credit cards and for various other bank details. However, your digital data can be used as well as sold by this application if they deem necessary to do so anytime since they have access to all of your personal data. In order to make it safe for yourself, always make sure that you set updates in public places and do not provide too much personal information at one time.