The best way to find out what our newest release is for Apple iOS , is to visit the App store and vew the newest version history. https://apps.apple.com/us/app/medscape/id321367289
If you would like to make sure you are running this newest iOS version from your iOS device, go to the App Store - Search for 'Medscape'. If you see an 'Update'..press this to update to the Medscape version. If you see the word 'Open' you are already on the newest version. Or you can Open the Medscape App, tap the 'Profile' icon, and select 'Data Updates', here you will see the Application version listed with a small 'v' in front of the number.
You may also find interest in the following FAQ: FAQ: Find Your Version Info