Multi-Location Real-Time Inventory Mobile App

Im in need of a mobile app, that keeps my inventory in real-time across 5 locations, also with 2 types of users employee and an admin that can see everything, the ui for the employees they can set sales by searching with sku or scanning barcodes of multiple products and select multiple payment methods at once, also there should be a place to daily change the exchange rate of the currency, in the end of the day the employee should be able to close day giving a report of the total sales in each currecy and the items sold in that day, also the employee can transfer items from one store to another, and the store that is reciving should be able to see and set a co firmation of reception, the admin should be able to see live the sales of each store, as a widget and if clicked see what has been sold, also the admin can transfer from warehouse to other warehouse or stores. There should be a tab for inventory check in all users but the admin can see exactly how many there is in each location and the total. There shluld be an option to load and download backupps on excell or google sheet.