StumbleUpon, Inc. StumbleUpon was a discovery and advertisement engine (a form of web search engine) that pushed web content recommendations to its users. ... On June 30, 2018, StumbleUpon was shut down in favor of a new discovery platform called Mix.

When did stumble shut down?

Although StumbleUpon shut down in 2018, a developer from Berlin named Kevin Woblick has brought the idea back with a new site called Stumbled.cc (or just Stumbled for short).

What happened the stumble app?

On June 30th, StumbleUpon as we know it will come to an end after 16 years. Co-founder Garrett Camp announced on Medium that the internet discovery service will shutter, and all StumbleUpon accounts will be transitioned over to Mix, a curation platform that incorporates your social media presence.