For our iOS app, we would suggest installing iOS 11.4 or later as a minimum requirement. This app is compatible with both iPhone and iPad devices. Please check our download link: https://apps.apple.com/gb/app/articheck/id1453674384
Our web app can be used on any PC, as well as mobile browsers on any OS (Android, iOS, etc).
Please use our sign up link to use the web app: https://portal.articheck.com/register/