I want to add my daily takings.I have read what i need to do. It tells me to tap the gear icon and i dont have one or can't find it. Can anyone advise where it is please?

Welcome to the Community, cafemonamis.

We can locate the Gear icon at the top right in QuickBooks Online (QBO). 

Though, you can tap F5 to refresh the page.  

On the other hand, you can start recording the transactions from the Plus icon.  

You can also refer to this article about recording commonly used transactions in QBO. 

Let us know if you need anything else.