About Us

What Is appdgg?

appdgg is a free, browser-based quiz site at appdgg.com. Our tagline—Free Knowledge Quizzes—sums up what we do: we publish interactive multiple-choice quizzes you can start instantly, with no app download and no sign-up.

Each quiz covers a practical subject—automotive care, plumbing, HVAC, medical basics, workplace safety, legal terminology, home appliances, gardening, and more. After you answer, you see whether you got it right and a short explanation to help the idea stick.

How a Quiz Works

Browse the home page or filter by topic, then open any quiz card. Questions appear one at a time with a progress bar. When you finish, you get a score, can try again, move to the next quiz, or share your result link with friends.

Everything runs in your web browser on phone, tablet, or desktop. We do not require an account, and we do not charge for access to the quiz library.

Who Creates the Content

Quizzes and on-screen copy are prepared and reviewed by the appdgg Editorial Team. We aim for clear wording, sensible answer choices, and explanations that match everyday language—not exam-board jargon.

Images shown in quizzes illustrate the question topic. If you spot a factual error, a broken image, or confusing wording, tell us at [email protected] and we will review it.

What We Are Not

appdgg is a study and self-check tool, not a licensing or certification body. Scores are for your own learning; they are not official credentials and should not be used to prove job qualifications, medical competence, or legal advice.

Always follow employer rules, manufacturer manuals, and local laws for real-world work, health, and safety decisions.

How We Keep the Site Free

We may display advertising (such as Google AdSense) on some pages to help cover hosting and content costs. Ads are separate from our quiz editorial choices. See our Privacy Policy for cookie and advertising controls.

Contact

Quiz feedback and general questions: [email protected]

Privacy requests: [email protected]

Copyright or legal notices: [email protected]

We usually reply within a few business days.