You can track invoice activities in Moon Invoice easily by following the steps below.

1. Open the Moon Invoice application on your device or tap on this link.
2. From the main menu on your left, go to Sales ➜ Invoices.
3. Click on the existing invoice, then on the right-hand side, click the three-dot icon (⋮) and select Activity Log.
4. You can now view the entire history of a specific invoice since the day it was created.