I get the message: 'Kidslox can’t be opened because Apple cannot check it for malicious software'

If you open our app and see the pop up below:
'Kidslox can’t be opened because Apple cannot check it for malicious software. This software needs to be updated. Contact the developer for more information'.

Please leave the popup opened and go to the device settings to allow launching Kidslox.
System Prefenrences > Settings > Security&Privacy > General > Allow Kidslox / Open anyway