Use your mobile number and password to login.
Support
Field app
Install once and open like a normal app from your Home Screen.
If the install dialog does not open: browser menu → Install app / Add to Home screen.
iPhone
Use Safari (not Chrome / Instagram in-app browser).
Tap the Share icon at the bottom of Safari.
Scroll the share sheet and choose Add to Home Screen.
Tap Add. The Knocknok icon appears on your Home Screen.
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