Upload your client list
Excel (.xlsx, .xls) or CSV with a Name column and a Number column. The file is read on this phone and never uploaded to the server.
Download a sample fileCheck the columns
Last call
List finished
Settings
List
Install on your phone
iPhone: open in Safari, tap Share, then Add to Home Screen.
Android: open in Chrome, tap ⋮, then Install app or Add to Home screen.
Installing keeps your list safe: iPhones can clear data of websites that are not installed and not opened for a week.