Does the modern warehouse ecosystem (warehouse, apps, website) exist?

Question

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Is there a cloud solution that includes a warehouse with all the features, a website for and mobile applications for customers?
Requirements:
A single ecosystem with a single database, no synchronization of the warehouse with apps, no purchase of special equipment, 100% relevance of balances at any second, you can work with the ecosystem from any device with a browser

Answer 1

fotorama.io

Answer 2

yeah, on 1C
how without a scanner
without purchasing special equipment,
to achieve
the relevance of the balances at any second 100%
?