What iOS version is required to use the Time Timer App? March 23, 2024 19:13 Updated Your iPhone must be an iPhone 8 model or newer and be running iOS 16 or newer to download and use the Time Timer App. Related articles How to set a repeating Timer. How to set a repeating timer. How do I prevent my device from falling asleep while Timers are running? What is the difference between the Premium Time Timer App and Time Timer Enterprise Edition? Redeeming Free Year of Premium Time Timer App with Purchase of Time Timer Product