sideapp
nounUK /ˈsaɪd.æp/
US /ˈsaɪd.æp/
A small extra app that comes along with a bigger app.
The game has a sideapp that lets you check your scores on your phone.
OTHER MEANINGS
2. A small program that runs next to a main program to do a special job.
The sideapp keeps track of your notes while you write.
3. An extra tool made by someone else that works with a popular app.
She built a sideapp that adds fun stickers to the chat app.
4. A minor application that supports a larger service.
The weather service released a sideapp for quick forecasts.