killer application

British  

noun

1. a highly innovative, very powerful, or extremely useful computer application; esp one sufficiently important as to justify purchase of the equipment or software

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Example Sentences

We have consumer devices available now, but given the maturity of the technology, it would take around that long to get to that type of killer application that you and I just talked about.

From The Verge

I don’t know if you’d call it a killer application for cartography, but one of the most popular applications that I hear about for crypto products is NFTs — how NFTs will let you bring virtual goods from one digital experience to another.

From The Verge

He says at the moment: "We're still looking for that absolute killer application of these virtual reality and augmented reality technologies."

From BBC

Shor’s algorithm suggested quantum computers, which exploit the ability of very small or cold objects to simultaneously exist in multiple, “superposed” states, might have a killer application—cracking codes—and ignited a decadeslong effort to build them.

From Science Magazine

If so, the desperate search for a ‘killer application’ for quantum computers would be over.

From Nature