custom-built app

noun
UK /ˈkʌstəm bɪlt æp/
US /ˈkʌstəm bɪlt æp/

An app made just for one person or group.

The bakery uses a custom-built app to take cake orders.


OTHER MEANINGS

2. An app created to fit a company's special needs.

The hospital's custom-built app keeps patient records safe.

3. An app designed from scratch instead of bought ready-made.

Instead of buying a template, they chose a custom-built app.

4. An app made to work exactly the way its users want.

Her custom-built app has big buttons for easy use.