What are the minimum requirements required to download and use BTFIT on smartphones and tablets? B. Mobi June 13, 2017 17:23 Updated Follow Android: 4.1x/Jellybean or higher IOS: IOS 8+ / iPhone 4s or higher Related articles Is it possible to access BTFIT from different platforms at the same time? How to download a Group Class or a workout plan generated by the Personal Trainer Online? How may I have a Group Class? What are the subscription options and available payment options? Who may work out with the BTFIT? Comments 0 comments Article is closed for comments.