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The hub runs in your Google Cloud project, so Google bills you directly and we are not in the middle of it. For a hub one person uses, that bill is somewhere between nothing and about a dollar a month. With one or two Google accounts connected, it is usually nothing at all. Everything the hub needs at that size sits inside Google’s free allowances. Past that it climbs slowly, by a few cents per additional account per month. Ten accounts still comes to well under a dollar. There is no point at which this becomes a number worth watching.

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What moves it, and what does not

Connected accounts move it. The cost is per account, and it applies whether that account is busy or has sat untouched since you added it. An idle account you no longer use still counts, so removing accounts you have finished with is the only lever that actually does anything. Use does not move it. A hub asked for something ten times a month and a hub asked ten thousand times cost about the same, given the same accounts. Nothing here is billed per request. That surprises people, so it is worth being plain: you cannot run this bill up by using it. Heavy use can even shave a little off, because a hub that is already awake does less waking up.

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Cloud Run is free at this size

The hub sits at zero when nobody is using it and starts when something asks it for something. Google’s monthly free allowance covers two million requests and a great deal of running time, which a hub for one person or one team will not come close to spending. A busy single deployment measured against that allowance uses a few percent of it. So Cloud Run is not the part of the bill you are looking at. It is free, and it stays free.

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Things worth knowing

Billing has to be linked before you can install. The project needs a billing account attached even though the bill starts near zero, because Cloud Run will not deploy without one. Stopping the hub stops the cost. The Stop hub button deletes the service from your project. Read what else that does first, because it is not a pause. If your bill looks higher than this page suggests, the usual cause is credentials that were replaced without clearing out the old ones. Each leftover set goes on costing its few cents a month until it is removed.

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