Is my login the same for the website and the app?
Yes. The app is the website installed on your device, so you use the same account. KBNGram uses the same site but has its own sign-up and rules.
Related questions
Answers follow the published KBN rules. The verify page is the authority for any licence or certificate, and where the rules do not cover a case, the Ranking Committee decides. Helpful counters on this demo site started from sample values.