Whistle Timer is a lifestyle app developed by Oval Software Oy for iPhone users. This free app allows users to create a customized working schedule without any unnecessary features or distractions.

With Whistle Timer, you can blow a whistle forever, ensuring you stay on track with your work or workout routine. The app also allows you to add customized breaks, enabling you to take the necessary time to rest and recharge.

One of the main features of Whistle Timer is its ability to run on the background, allowing you to continue using other apps or perform other tasks while the timer is running. This feature is particularly useful for multitaskers who need to stay focused on their workout or work schedule.

Additionally, Whistle Timer allows you to save your plans for further use, making it easy to repeat your customized schedule whenever needed.

Overall, Whistle Timer is a simple yet effective app for creating and managing a customized working schedule. Its clean and user-friendly interface makes it accessible to users of all levels of technical expertise.