For further accuracy, always use this tool in a new incognito/private session to not rely on cookies.
To inspect mobile SERPs from a desktop device, once you open the new generated SERP, open your browser console, toggle the device bar, select device model and refresh
To inspect desktop SERPs from a mobile device, once you open the new generated SERP, enable "Request desktop site" in your browser settings.
SHERPA Inspector is a free and accurate
cross-platform SERP Checker to help professionals with internacional and local search engine activities such as SEO and Paid Search (SEM/SEA).
This is also a great tool for personal purposes: for example, are you planning your next trip? get the most relevant info and services (such as restaurants, hairdressers...) for that particular location.
Compatible with Google, Bing, Yandex, Baidu, Naver, Yahoo! Japan and Seznam.