( = annoyware = begware = nagscreen)

olemus
(a) igasugune tarkvara, mis tüütab kasutajat
mitmesuguste pidevalt hüpikakendes ilmuvate
ettepanekute, reklaamide ja mangumistega
enamasti jaosvara alaliigina
= any software that displays a popup, notification, or window, nagging the user to perform a task or try a feature

(b) jaosvara, mis pärast tasuta prooviperioodi lõppu tuletab pidevalt meelde, et aeg on maksta
= software which is free for a trial period and thereafter frequently reminds the user to pay for it

näiteid
Spotify, WinRAR, WinZip, mIRC, BitDefender Free Edition, AVG, Avira Free Edition, Norton Internet Security, Snood

https://www.theregister.co.uk/2016/07/01/microsoft_gets_creepy_with_win10/

https://community.phones.nokia.com/discussion/62402/geekyranjit-ads-nagware-ranking-for-mid-range-smartphone

ülevaateid
https://www.techopedia.com/definition/4314/nagware

https://en.wikipedia.org/wiki/Shareware#Nagware