Checkbook Mobile for iPhone and iPad

Getting the Checkbook web app, iOS 9 users - Free for Subscribers
Type checkbook.org/m into the Safari browser on your iPhone or iPad to access the web app.
Activate the web app
After logging into the web app with your Checkbook Username and Password, add the web app to your home screen by clicking the box arrow button in your Safari browser and then selecting "Add to Home Screen" in iOS 9, see images below.
  
Private browsing
The Checkbook Mobile requires Private Browsing to be turned off. To check this setting, select the double box icon in Safari and then confirm that Private Browsing is turned off, see images below.