You can complete questions as you leave the site. These are set up within system settings on the desktop application. Click here to see how to add estimate leave questions.
If these questions are set as required you will not be able to leave the site without answering them.
How to complete an answer estimate QA on an iPhone:
Click the menu icon (3 horizontal lines) in the top left corner.
This will open the menu. Click 'View diary'. Find the estimate you would like to complete leave questions for. Click on this event. Accept, travel, arrive as normal. When you are ready to leave the event, click the purple 'QA or Fill in estimate' button.
You will then see a page with some questions. Click in the fields to answer these questions. Click 'Save' to save your answers. You can now complete the event as usual.