You can have multiple counters with their own names and values. Values can be changed using volume buttons. There is a way to export all counters into a CSV file.
This is an open source application. If you want to fix a bug or propose a new feature, check out the project on GitHub: https://github.com/gentlecat/counter/
If you want to help with translation, please go to http://crowdin.net/project/simple-counter
Thank you for using the Counter. I hope you find it useful.