Translation guide
In Japanese, 'application software' is most commonly referred to as アプリ (apuri), a shortened form of アプリケーション (apurikēshon). The full term アプリケーションソフトウェア (apurikēshon sofutowea) is also used, especially in formal or technical contexts. For mobile apps, アプリ is the standard term.
The learner wants to refer to application software in general, such as computer programs or mobile apps.
This is the most common and natural way to say 'app' or 'application software' in everyday Japanese. It is widely used for both mobile and desktop applications.
このアプリはとても便利です。
This app is very useful.
新しいアプリをダウンロードした。
I downloaded a new app.
The full word for 'application'. It is slightly more formal than アプリ and is often used in technical or business contexts.
このアプリケーションは業務用です。
This application is for business use.
The full technical term for 'application software'. It is used in formal documents, IT specifications, or academic contexts. In everyday conversation, it is too long and unnatural.
アプリケーションソフトウェアの開発を行っています。
We are developing application software.
The learner wants to refer to a smartphone or tablet application.
For mobile apps, アプリ is the standard term. It is understood as a smartphone application by default in most contexts.
スマホのアプリで予約できます。
You can make a reservation using the smartphone app.
Explicitly refers to a smartphone app. It is commonly used when distinguishing from desktop or web applications.
このスマホアプリは無料です。
This smartphone app is free.
The learner wants to refer to traditional computer application software, often for business or professional use.
In business or IT contexts, アプリケーション is the standard term for desktop or enterprise software.
このアプリケーションはWindows専用です。
This application is for Windows only.
In casual conversation, アプリ is perfectly acceptable for any type of application. However, in formal writing or technical documentation, アプリケーション or アプリケーションソフトウェア may be more appropriate. When in doubt, アプリ is safe for most situations.
このアプリは使いやすいですね。
This app is easy to use, isn't it?
本アプリケーションは、最新のセキュリティ対策を施しています。
This application is equipped with the latest security measures.
Specifically means 'business application'. Used when referring to software for work or enterprise purposes.
業務アプリケーションの導入を検討しています。
We are considering introducing business applications.