A Minimalistic counter which can be customized in different ways :

1. The value that gets added/reduced (increment and decrement) in each count can be changed (including decimals).

2. Count by touching, pressing the headphone button, or shaking the phone.

3. Negative numbers allowed.

4.Varied vibration feedback

5. Option to prevent the screen from turning OFF

6. Option to turn touch input ON/OFF to avoid accidental touches.

(Can be useful in all kinds of counting scenarios, Mathematics, Experimental labs, tallying marks in multiple-choice question exams etc)
It can be customized to count by touching, pressing the headphone button, or shaking the phone
The value that gets added/reduced in each count can be changed (including decimals). Can be useful while tallying marks in multiple-choice question exams.