How do I sign up as a Challenger member? October 02, 2023 11:04 Updated Sign up as a Challenger member via our ValueClub app and on Challenger.sg. You may also visit any of our Challenger stores to seek assistance. Related articles How much does it cost to sign up/ renew as a Challenger member? How do I utilise the S$40.00 rebate e-Voucher? What is Challenger MVIP membership? Will membership card be issued? Why do I need to download the ValueClub app?