Zahid Notes is an Android app developed by Zahid Apps that provides free PDF notes for all classes, including 9th, 10th, 1st year, 2nd year, 3rd year, 4th year, BA, PU, etc. The app offers a wide range of subjects, including physics, chemistry, biology, computer science, Urdu, English, Pak study, Islamic study, Islamiat, economics, MCQs, short questions, sociology, education, Punjabi, math, science, and arts.

The app is a great resource for students preparing for exams such as Mdcat, entry tests, Lahore board, PPSC, CSS, NTS, and more. It provides study guides, study tips, guess papers, paper patterns, and past papers. All the guide books and text books are available for free download in PDF format. The app is highly recommended for students looking for a reliable and accessible source of study material.