The Just Digital Counter has very simple design and lot of functionalities. Features... 1. Count anything without any limit using On-screen buttons or volume buttons. 2. Specially designed as a Mantra or japa counter for chanting. 3. Customizable haptic feedback. 4. Simple interface and completely free of advertisements ( ad free ). - Press the Big button to increase the counter. - Press the Small button to decrease the counter. It's that simple. 5. It has memory. It remembers the count alway