This is a premium app, so you need to pay for it. Here are steps to take premium plan:

1. Click on "Go Premium!" option or simply click on the link https://idispatch.com/premium.

2. Select your payment plan. There are two payment plans, the first one is "Monthly Plan" and other is "Annually Plan" if you choose "Annually Plan" you can save up to 12% on the cost.

3. Now, fill you card details and click on "Subscribe" button to complete your payment process.

The free trial version is also good, but the features are quite limited.