Projectopia 4.1 has this excellent feature where you can manually add payments to an invoice. This is useful if your client prefers offline payment by sending your a cheque or cash.
- Click on the invoice for which you need to update the payment
- To the right side, scroll down to the invoice status meta box.
- Here, you will find an option that says add payment.
- You will see a popup for you to add the Payment Amount.