Collector app keep track of your clients is an easy application to use and keep track of your accounts
and be able to have a very good opportunity to make payments for your client and so you can work easily with APP Collector
This app is multipurpose, you can use it in various activities.
1-sale of tennis on credit
2-sale of merchandise on credit or cash
3-pay daily
This app has a great advantage: it creates a CSV backup copy which you can view in your spreadsheet.
It is recommended to save the backup in the cloud such as Google Drive or on the PC.