olemus
tõkestav tarkvarakomponent,
väldib mingi(te) rakendus(t)e kasutamise
=
a software product for blocking unwanted applications

näiteid
https://topalter.com/

http://www.ilovefreesoftware.com/11/featured/5-free-application-blocker-software-to-block-applications-from-running.html

http://www.ilovefreesoftware.com/28/windows-10/free-application-blocker-software-windows-10.html

https://play.google.com/store/apps/details?id=cz.mobilesoft.appblock&hl=en

https://famiguard.imyfone.com/block/app-blocker-for-android/