The Contact.it app lets you schedule call reminders for your contacts.

You can set a Reminder for your important calls by selecting specific contact.

What makes this app best is the simple & lightweight design, which keeps everything clean and easy & free to use.

* Permissions *

-Contact Permission: Contact Permission is needed for selecting contacts to set up reminders for your calls.
-Telephone Permission: This permission is required for calling purposes if you want to call any contact directly from the contacts app.