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Frontend + backend: an app that remembers

The moment you want to see something on another device, or track it together with someone, you need storage. We call that a backend.

Updated 2026-08-08 · Mini tutorials
Frontend + backend: an app that remembers · 0:48 Vertical version ↓

When you need a backend

Three signals: you want to see it on multiple devices, you want to track it together with someone, or your data must never disappear. In all three cases a database belongs to it.

How to ask for it

Simply say it in so many words during the intake: *"it has to be saved, and I want to keep it up together with my partner"*. Under *who will use it*, choose something other than "just me".

Mia then creates the storage and the connection to it herself. You see none of that — you just get an app that works.

The proof

Add something on your laptop, refresh your phone, and there it is. One list, two devices, always the same.

For apps like this Mia builds an admin panel by default: a separate screen where you as the owner can view and change everything.

Frequently asked questions

Where does my database live?

In your own Mia OS environment, on your own server. Not at a third party.

Can someone else reach my data?

Only if you make the app public or share it explicitly. By default it is yours alone.