Their interview questions are pretty basic and the whole product is pretty much useless. Waste of time and money.
After a few years I still use Listary as my main search/launcher. It's very quick, has a very nice look and great system of filters and projects. There are problem with new version to be released, but I'm talking about version number 5.
LeetCode - Practice and level up your development skills and prepare for technical interviews.
Keypirinha - A lightning fast and flexible keystroke launcher for Windows. No installation required (portable).
HackerRank - HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes.
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
Daily Coding Problem - Get exceptionally good at coding interviews
Wox - An effective launcher for windows. A full-featured launcher, access programs and web contents as you type. Be more productive ever since. Wox is free for use and open-sourced at Github, Try it now! Download .