This is an app which would help you isolate personal contacts from your miscellaneous contacts. Use this app to store all your non personal contacts such as one of Gardener’s, Electrician’s, Plumber’s completely separated from your phone contact. Very simple to use and serves the purpose !!
Contakt is a mobile app which would enable you to store your non personal numbers out of your phone contact.
Use this app to store all such utility and miscellaneous contact details out of your personal contact list in phone.
Please note that this app doesn’t require any sign in / signing up actions.