Tool, application, program, platform, solution. Vendors choose whichever word suits their positioning, and the choice tells you almost nothing about the product. What does differ, underneath the naming, is where the software runs, what it keeps and who you call when the tablet at reception stops working. Those three questions sort the market faster than any feature comparison.
Where it runs, and what that decides
Almost everything is hosted by the vendor now, with an app on the reception tablet that keeps working when the network drops. A handful of products still install locally, usually in buildings where that is a policy requirement. Hosted means updates happen without anyone visiting the desk; local means you control the data location and also the patching. Neither is better in general and both are fine when chosen deliberately.
What it keeps, and for how long
The record is the product. Ask what fields exist, whether you can add or remove them, how long entries are kept, whether that period is yours to set, and how you get everything out. A tool that will not let you delete on a schedule is a tool that will be holding four years of visitor names the first time somebody asks.
Who supports the tablet at the desk
This is the question nobody asks and everybody needs. The reception tablet is unmanaged, unloved and the single point of failure for the whole arrangement. Find out whether support means a chat widget, an email address with a name behind it, or a phone number, and whether it covers the hardware or only the software.
Ignore the noun, test the four jobs
Whatever the product is called, put it through the same afternoon: time a sign-in, watch a notification arrive, print a badge, and ask it who was on site at a particular hour last week. A tool that does those four well is a good product whatever the marketing calls it, and one that struggles is not saved by being called a platform.
Questions people ask about visitor management tools
Is there a difference between a visitor management tool and a platform?
In marketing, yes. In practice, judge where it runs, what it stores, how long it keeps it and who supports the tablet.
Do we need an app on a tablet, or will a browser do?
A dedicated app is more reliable at a desk because it survives a network drop and stays awake. Browsers are fine for the host side.
What should we ask about getting our data out?
Ask for an export in a format you can read without their software, and ask how long it takes. If the answer is a support ticket, factor that in.