You can set a note to appear on the bottom of all of your invoice. This can be a seasonal message, or a simple thank you.
You can edit details on the mobile application. When you edit this information it will automatically change this information for all users (including web users).
How to set up an invoice note:
Click the menu icon (3 horizontal lines) in the top left corner.
This will open the menu. Scroll down to 'System settings'.
Click 'System settings'. This will open the system settings page. Click 'Setup estimate notes'.
Click the pencil icon in the top right corner. Type in your invoice note and click the tick in the top right corner to save