Is the Slice app free to use? Get My Slice 04 May 2020 13:28 Updated Yes. You will need to have a smartphone and either a Wi-Fi connection or your usual mobile phone data/minutes package. Related articles How much money will I earn? How does the Slice app work? Is it necessary for me to make purchases to earn through Slice? How do brands find me on Slice? Which devices will Slice work with?