How much is the Anytime Fitness gym cashback? November 13, 2019 01:41 Updated $100 per rolling 91-day quarter. Related articles How do I qualify for an Anytime Fitness gym cashback? Anytime Fitness cashback payments during COVID-19 How do I link my Fitbit account to AIA Vitality? How can I update my bank details to receive the cashback payment? How do I know if my Anytime Fitness membership is linked to AIA Vitality?