1. Tap the menu icon. 

  2. Tap on Invoices. 

  3. Tap on the plus icon in the top right corner. 

  4. Tap Add Client to select an existing client or add a new client. 

  5. Tap Add Item to select an existing item or add a new item. 

  6. Tap the action icon in the top right corner. 

  7. Tap Save to create the invoice.