Make an app for service work.

Service app for repeating service tasks. App for android, ios and web browsers. This app need to be as simple as possible, it is ment to create service tasks. Where you can: Add customer with all customer data like address, phone email etc. Add service (Services can be created on the fly or be created as products from admin panel. Choose customer, servicetype date for service and most important, make it possible to make it repeating with notification to user created the service. The repeating interval should be: Weekly, monthly, bi monthly,yearly,bi yearly. Need to be very flexible as service intervals can vary alot base don customer type etc. Want possibility to send SMS notification to customer. So it is all about create service tasks, and make them automated repeatedly. Needed simple integrations is: google calendar. So when you add a task it automaticly adds on your google calendar. Also the repeating tasks should appear there until the task gets cancelled. It is also needed with a simple and nive overview menu, where you can see the tasks by week/month/year so you are able to se your schedule overview and able to plan thereby based on your capacity. Also there should be on the tasks automaticly created an link for open the address in google maps etc. we want input here in order to how we can do this as nice, clean and easy as human possible so it is no hassle to add a new service task into the app.