Nothing kills your afternoon like opening your inventory app and finding that yesterday's numbers are gone. You sold 40 units, the app said you had 12 left, and now it's showing 52 in stock. Or worse, whole product lines have reset to zero.

This usually comes down to three things: flaky sync logic that overwrites good data with stale data, apps that don't handle offline edits properly and then "reconcile" by wiping your local changes, or updates that reset your database without warning. Once you know that, you can ask the right questions before you commit to a tool.

Look for software that syncs in real time without batch overwrites, keeps your local data as the source of truth when you're offline, and has a clear track record of updates that don't touch your data. Your stock list is the backbone of your business. It deserves an app that treats it that way.