Mark OTravel: Where I've Been is a free travel and navigation app developed by Sergei Shpygar for iPhone users. This app is the perfect tool for travelers who want to keep track of the states and regions they have visited. It comes with a user-friendly interface that allows users to mark and add visited countries and regions, create categories such as "visited," "wish to visit," and others, track world heritage, and track countries and territories of the Travelers' Century Club.

Additionally, users can keep track of their travel stats, pin pictures and notes to the visited places, and sync their data with iCloud and Dropbox to access it from new devices. The app also allows users to share their travel maps via different social media platforms. With Mark OTravel: Where I've Been, travelers can improve their geography skills and keep a record of their travels all in one place.

It's important to note that the developer encourages users to leave their feedback at