SpeedInvoice is an invoicing system, so it doesn't handle inventory or warehousing.
We recommend SpeedInvoice for:
-Up to ten users,
-A maximum of 2000 invoices and quotes in a year,
-A maximum of 2000 items or customers.
If you are above these recommendations you might have issues with your phone's capacity or the data volume transferred via the Internet. We have tested SpeedInvoice with 20.000 invoices, but we have good phones and very good internet connections. If you run into problems with your data volume we can limit the amount of invoices and quotes that are transferred to your phone at a cost.