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hum

The phone app

Your phone finds it.
The wall says yes.

No address to type and no account to create. Open the app on the same Wi-Fi as the hub and it looks for it by itself. The hub then asks, on its own screen, whether this phone may connect.

Android app in development. An iPhone app is not built yet.

The app's welcome screen: connect the hum on your wall to this phone, in three steps.

Finding it

It asks your network one question.

The phone works out which home network it is on and asks every address on it once whether it is a hum. Other devices ignore the question. The hub answers with its name and nothing more, and that question does not unlock anything else.

Message box: let me look at your home network. Buttons: not now, allow.
1It asks before it looksA message box says what it is about to do and that nothing goes to the internet. Choosing "Not now" stops it there.
Search result: no hum found on this network, with advice about guest networks and a rescan button.
2It reports what it foundHere, an emulator with no hub nearby. It says so, and why a guest network would hide the hub from the phone.

It only ever scans private home-network addresses, never your mobile data connection. If a router hides devices from each other, there is a small "type the address" option as a last resort.

Approval on the wall

Being on the same Wi-Fi is not enough.

A guest or a neighbour on a shared building network should not be able to see when you are home. So the hub decides, and it shows you who is asking.

You pick the hub
The phone sends the name you gave it, for example "Ayşe's phone", and waits.
The hub asks
A box appears on the wall screen with that name, and says what the phone will be able to do if allowed: see live use and the record, and name appliances.
You press Allow
Only then does the hub hand over its key. The key is given once per request; the next phone has to be approved again.
Or nothing happens
"Decline" refuses. No answer within two minutes also refuses. Repeated requests from the same network are slowed down so the screen cannot be flooded.
Only from the home network
The hub refuses to answer these two questions from anything other than a real device on your network.

Once connected

The same screens as the hub.

The app uses the hub's own colours, type and words, so what you read on the phone means exactly what it means on the wall.

Now

The house, this second.

The total in large figures, then each running appliance. Estimates are pale and marked, and "Not identified" is always the last line.

Record

Hour by hour, with its seals.

Energy per hour, a 24-hour chart that leaves empty hours empty, and whether each hour was signed.

Appliances

What it is asking you.

Lines waiting for a name, and the ones you already named. Tap one and give it a name; the hub remembers.

Moves with your router

A new address is not a new device.

If the router gives the hub a different address, the app finds it again by its identity and carries on. You do not pair again.

The connected screens are not pictured here yet: the development hub has no sensor attached, and we do not publish screenshots with made-up readings.

No account to create.
No address to type.