noun
basic service
Computing term for a fundamental or entry-level service, often contrasted with premium or advanced services.
このソフトのベーシックサービスは無料で使えます。
The basic service of this software can be used for free.
ベーシックサービスに加えて、有料のプレミアムサービスもあります。
In addition to the basic service, there is also a paid premium service.