Translation guide
A highly desirable or essential software application that drives adoption of a platform or technology.
Referring to a software application so compelling that people buy the hardware or platform just to use it.
The most common and direct equivalent, a loanword from English. Used in tech and business contexts.
このゲームがそのゲーム機のキラーアプリになった。
This game became the killer application for that console.
A more descriptive Japanese phrase meaning 'the decisive app'. Less common but understandable.
この機能が決め手となるアプリだ。
This feature makes it a killer app.
The full loanword form, slightly more formal or technical than キラーアプリ.
表計算ソフトはパソコンのキラーアプリケーションだった。
Spreadsheet software was the killer application for personal computers.