You can install the My Hours smartphone app free of charge:
- at Play store for Android devices: https://play.google.com/store/apps/details?id=com.spica.myhoursmobile
- at iTunes store for iOS devices: https://itunes.apple.com/us/app/spica-my-hours/id1100203572
Once you download the app, you sign in with your existing email and password to access your account.