killer application

Translations
убийственное приложение
The new software is considered a killer application in the tech industry.
Новое программное обеспечение считается убийственным приложением в технологической индустрии.
Definitions
A killer application is a software application that is so useful or desirable that it proves the core value of a technology or platform, often driving its widespread adoption and success.
Words
killer

adjective
убойный
application

noun
приложение