The ultimate Best Friends Forever tester. Answer ten questions and our unique algorithm with calculate the strength of your friendship. Are you really best friends? Find out with our BFF test today and share the BFF test results with friends or friends. What are you waiting for? Give our BFF test a try. Install the BFF Tester today and start using our quiz to check who your best friend is. Please note this app has been developed only for fun purpose's and has no intention to hurt the user feelings. No information is retained or stored by the software. The application uses an numerical algorithm and should be used only for fun.