helperapp
nounUK /ˈhelpər æp/
US /ˈhelpər æp/
A helper app is a small program that helps another program do its job.
The helper app made the game run faster on my tablet.
OTHER MEANINGS
2. A small program that runs in the background to help the main app.
The helper app quietly fixed errors while the main app stayed open.
3. An extra app that makes a hard task easier for the user.
She installed a helper app to organize her photos.
4. A mini program that shares work with a bigger program.
The helper app handled the downloads so the browser could stay quick.