Welcome to Abacus.
"Abacus" is a latin word that describes a counting frames.
This app does exactly the same thing, helping you to keep in mind every count you desire.
Many features coming soon (including cross-device sync between iOS, Android and Windows UWP).
Use the app free to memorize up to 5 counters, or get the PRO version in order to remove ads and have limitless counters.