"Competitor devices" refers to electronic devices or products that are made by other companies, which are similar to and compete with the device or product being discussed. Full definition
They're well - controlled compared to many competitor devices, however, making the Note 8 the best smartphone for digital zoom we've tested to date. (dxomark.com)
It's a very slick, very powerful competitor device. (pocket-lint.com)
Essential is clearly planning on releasing a very well - made phone: the screen looks promising, it has no annoying logos, and it is built with a combination of titanium and ceramic so it can survive a drop test «without blemish, unlike the aluminum competitor devices.» (theverge.com)