noun, noun-modifying (irregular)
zero cost; free of charge
Used as a noun or prenominally to describe something that involves no expense. Common in business, marketing, and technology contexts.
このアプリはゼロコストで利用できます。
You can use this app at zero cost.
ゼロコストのマーケティング手法を探している。
I'm looking for zero-cost marketing methods.