Anyone that has a child(ren) or responsible for a child(ren) and/or anyone that has a car or drives a car.
Your account is very secured with a unique security question two factor login.
Owibai is free for individual users but paid for organisations after trial period.
as many as you can proof you are responsible for.
No, you’d have to ask them to sign up.
Any device via Web, (Android and iOS coming soon)